JP7329346B2 - apartment house - Google Patents

Description

The present invention relates to condominiums.

As one form of condominiums, there is a so-called staircase type condominium in which two dwelling units on each floor use one shared staircase (see, for example, Patent Document 1). As disclosed in Patent Literature 1, a staircase-type apartment house can compactly organize common areas of the apartment house by adopting folding-type stairs as the common stairs.

JP-A-2004-124527

However, in the case of the above-mentioned conventional condominium, the dwelling unit on the first floor faces the first landing (one folding part), so the next landing (the other folding part) is provided on the first floor. Limit the height of common entrances. For this reason, in conventional condominiums, there has been a problem that it is difficult to carry in and out large luggage (for example, large pieces of furniture) into and out of the apartment complex.

SUMMARY OF THE INVENTION An object of the present invention is to provide an apartment building in which luggage can be carried in and out from the first floor without any trouble while maintaining a compact common area.

The condominium according to the present invention has a common area and a plurality of dwelling units on each floor from the first floor to at least the third floor, and the common area on each floor is a rectangle partitioned by four sides in plan view. In addition, at least three sides of the common area excluding one short side are surrounded by the plurality of dwelling units, and the common areas on each floor are divided into a common corridor and a common corridor on the lower floor. a common staircase connecting with the common corridor on the upper floor, the common area on the first floor has a common entrance on the one short side of the common area in a plan view, and , the common corridor on the first floor extends from the one short side of the common area on the first floor to the other short side in plan view, and the plurality of dwelling units on the first floor are , each has a dwelling unit entrance facing the other short side of the common corridor on the first floor in plan view, and the common areas on the second and third floors each have, in plan view, the The common corridor is provided on the other short side of the common area, and each of the plurality of dwelling units on the second floor has a dwelling unit entrance facing the common corridor in plan view. , the first shared staircase connecting the shared corridor on the first floor and the shared corridor on the second floor is a straight rectangular staircase partitioned by four sides in a plan view; One long side portion of one common staircase is in contact with one long side of the common area on the first floor, and the first common staircase extends from the one short side of the common area to the other side. The second common staircase, which connects the common corridor on the second floor and the common corridor on the third floor, is a folded-type staircase in plan view. and the entrance of the second common staircase is located at the one short end of the common part of the common corridor on the second floor so as to be side by side with the entrance of the first common staircase in plan view. is connected to the side edge, and the top of the second shared staircase is 3 so that the top side portion of the second shared staircase overlaps the first shared staircase in plan view. It is connected to said one short side edge of said common part of said common hallway of the floor.

In the condominium according to the present invention, the common area on each floor is arranged inside the condominium, and the one short side of the common area on the first floor is the outer peripheral wall of the first floor of the condominium. and the outer peripheral wall of the first floor is provided continuously with the outer peripheral wall of the second floor of the condominium at the same position as the outer peripheral wall of the first floor in plan view, 2 The folded portion of the common staircase does not reach the outer peripheral wall of the second floor, and the surplus area near the outer peripheral wall of the second floor includes the common portion of the first floor and the common portion of the second floor. and a window may be provided in the outer peripheral wall facing the atrium on the second floor.

In the condominium according to the present invention, the common area on each floor is arranged inside the condominium, and the one short side of the common area on the first floor is the outer peripheral wall of the first floor of the condominium. and the outer peripheral wall of the first floor is provided continuously with the outer peripheral wall of the second floor of the condominium at the same position as the outer peripheral wall of the first floor in plan view, The folded portion of the 2 shared stairs does not reach the outer peripheral wall of the second floor, and the surplus area near the outer peripheral wall of the second floor has a floor, and the surplus area is the second floor. It can be a part of the dwelling unit.

In the condominium according to the present invention, the folded portion of the second common staircase does not reach the one short side of the common area on the second floor, and the one short side of the common area on the second floor is not reached. A floor exists in the surplus area on the side, and the surplus area can be a space that can be entered and exited from the dwelling unit on the second floor.

In the condominium according to the present invention, the space may be an open space leading to the outside.

In the condominium according to the present invention, the folded portion of the second common staircase does not reach the one short side of the common area on the second floor, and the one short side of the common area on the second floor is not reached. A roof may be present in the marginal redundant area.

In the condominium according to the present invention, a mailbox may be provided on the one short side of the common area on the first floor.

In the condominium according to the present invention, the first common staircase may be a bent staircase that bends downward.

ADVANTAGE OF THE INVENTION According to this invention, the apartment which can perform carry-in/out of the load from the 1st floor without trouble can be provided, maintaining a compact common area.

1 is an enlarged plan view schematically showing a first floor common area and its surroundings of a condominium according to a first embodiment of the present invention; FIG. FIG. 1B is an enlarged plan view schematically showing the second floor common area of the condominium of FIG. 1A and its surroundings; FIG. 1B is an enlarged plan view schematically showing a common area on the third floor of the condominium shown in FIG. 1A and its surroundings; FIG. 1B is an enlarged plan view schematically showing another example of the third-floor common area of the condominium of FIG. 1A and its surroundings; FIG. 1B is an enlarged plan view schematically showing still another example of the common area on the third floor of the condominium shown in FIG. 1A and its surroundings; FIG. 5 is an enlarged plan view schematically showing a common area on the first floor and its surroundings of an apartment building according to a second embodiment of the present invention; 4B is an enlarged plan view schematically showing the second floor common area of the apartment building of FIG. 4A and its surroundings; FIG. FIG. 4B is an enlarged plan view schematically showing a common area on the third floor of the apartment building of FIG. 4A and its surroundings; FIG. 1C is a cross-sectional view of the embodiment of the condominium shown in FIGS. 1A-1C; It is a figure which shows the 1st-floor part of the condominium of FIG. 5 toward the front side from the back side of a house depth direction. It is a figure which shows the 2nd-floor part of the apartment house of FIG. 5 toward the front side from the back side of a house depth direction. It is a figure which shows the 3rd-floor part of the apartment house of FIG. 5 toward the front side from the back side of a house depth direction. FIG. 6 is a sectional view showing a modification of the apartment house of FIG. 5; It is a figure which shows the 1st-floor part of the condominium of FIG. 7 toward the front side from the back side of a house depth direction. It is a figure which shows the 2nd-floor part of the apartment house of FIG. 7 from the back side of a house depth direction to a front side. It is a figure which shows the 3rd-floor part of the apartment house of FIG. 7 from the back side of a house depth direction to a front side.

Hereinafter, apartment houses of various embodiments and examples thereof according to the present invention will be described with reference to the drawings. Here, a condominium has multiple dwelling units on each floor, and these dwelling units are equipped with an entrance door facing the common area (common hallway and/or common staircase), through which the entrance door leads to the common area. means a dwelling that has an accessible structure. In the following description, the front of the condominium refers to the side (side) where the common entrance is provided in plan view. Further, the rear surface of the condominium refers to the surface (side) opposite to the surface on which the common entrance is provided in a plan view. Furthermore, in the following description, in plan view, the direction passing between the front and back of the condominium will be referred to as the housing depth direction, and the direction perpendicular to the housing depth direction will be referred to as the housing width direction.

Also, in each figure, symbols La to Ld each indicate one side of the four sides of the quadrilateral. In this embodiment, the one side La is a side arranged at a position facing the one side Lb. One side Lc is a side arranged at a position facing one side Ld. Specifically, one side La is one side on the front side of the condominium in the depth direction (hereinafter also referred to as "one side on the front side in the depth direction of the housing"), and one side Lb is the one side in the depth direction of the condominium. It is one side on the other side (hereinafter also referred to as "one side on the back side in the depth direction of the house"). In addition, one side Lc is one side in the width direction of the condominium (hereinafter also referred to as “one side in the width direction of the housing”), and one side Ld is one side on the other side in the width direction of the condominium. It is a side (hereinafter also referred to as "the other side in the width direction of the house"). Furthermore, in the following description, the quadrilateral will be described as a rectangle. However, according to the present invention, the quadrilateral is not limited to a rectangle and includes, for example, a square.

[First embodiment]
In FIG. 1A, reference numeral 1A denotes a condominium according to the first embodiment of the present invention. The apartment house 1A of this embodiment is a three-story medium-rise house. 1A to 1C are enlarged plan views schematically showing common areas on each floor from the 1st to 3rd floors of the condominium 1A and their surroundings. Therefore, in FIGS. 1A-1C, only some of the dwelling units on each floor are shown.

The condominium 1A has a common area and a plurality of dwelling units on each floor from the first floor to the third floor. In this embodiment, each floor has two dwelling units. Specifically, as shown in FIG. 1A, a common area 110 and two dwelling units 113 and 114 are arranged on the first floor of the condominium 1A. Further, as shown in FIG. 1B, a common area 120 and two dwelling units 123 and 124 are arranged on the second floor of the condominium 1A. Furthermore, as shown in FIG. 1C, a common area 130 and two dwelling units 133 and 134 are arranged on the third floor of the condominium 1A.

The common area on each floor is a rectangular area in plan view. In this embodiment, the common areas on each floor are configured as follows.

In the present embodiment, as shown in FIG. 1A, in a plan view, the common area 110 on the first floor is defined by four sides La(10) to Ld(10). Specifically, one side La (10) on the front side in the depth direction of the house and one side Lb (10) on the back side in the depth direction of the house of the common area 110 are short sides. On the other hand, one side Lc(10) on one side in the width direction of the house and one side Ld(10) on the other side in the width direction of the house of the common area 110 are long sides. That is, in this embodiment, as shown in FIG. 1A, the common area 110 on the first floor is arranged such that the long side of the common area 110 extends in the depth direction of the house in plan view.

Further, in the present embodiment, as shown in FIG. 1B, the common area 120 on the second floor is defined by four sides La(20) to Ld(20) in a plan view. In this embodiment, the common area 120 is arranged at a position overlapping the common area 110 on the first floor in plan view. Specifically, one side La (20) on the front side in the depth direction of the house and one side Lb (20) on the back side in the depth direction of the house of the common area 120 are short sides. On the other hand, one side Lc (20) on one side in the width direction of the house and one side Ld (20) on the other side in the width direction of the house of the common area 120 are long sides. That is, in the present embodiment, as with the common area 110 on the first floor, the long side of the common area 120 extends in the depth direction of the house in plan view, as shown in FIG. 1B. are arranged as

Furthermore, in the present embodiment, as shown in FIG. 1C, the common area 130 on the third floor is defined by four sides La(30) to Ld(30) in plan view. In this embodiment, the shared portion 130 is arranged at a position overlapping the other shared portions 110 and 120 in plan view. Specifically, one side La (30) on the front side in the depth direction of the house and one side Lb (30) on the back side in the depth direction of the house of the common area 130 are short sides. On the other hand, one side Lc (30) on one side in the width direction of the house and one side Ld (30) on the other side in the width direction of the house of the common area 130 are long sides. That is, in the present embodiment, as with the other common areas, the common area 130 on the third floor is arranged such that the long side of the common area 130 extends in the depth direction of the house in a plan view, as shown in FIG. 1C. are placed.

In addition, the common area on each floor is surrounded by a plurality of dwelling units on three sides except for one short side of the common area. In this embodiment, on each floor, three sides Lb to Ld of one common area, excluding one side La on the front side in the depth direction of the house, are surrounded by two dwelling units. Specifically, one dwelling unit (hereinafter also referred to as “first dwelling unit”) is in contact with one side Lc of the common area of each floor in the width direction of the house. On the other hand, the other dwelling unit (hereinafter also referred to as "second dwelling unit") is in contact with one side Ld of the common area of each floor on the other side in the width direction of the house. In addition, two dwelling units, a first dwelling unit and a second dwelling unit, are in contact with one side Lb of the common area of each floor on the back side in the depth direction of the house. More specific relationships between common areas and dwelling units on each floor are as follows.

In this embodiment, as shown in FIG. 1A, the first dwelling unit 113 is in contact with one side Lc (10) of the common area 110 on the first floor in the width direction of the house. Specifically, a part of the boundary wall W13 with the first dwelling unit 113 is formed on one side Lc (10) of the common area 110 in the width direction of the house. On the other hand, the second dwelling unit 114 is in contact with one side Ld (10) of the common area 110 on the other side in the width direction of the house. Specifically, a part of the boundary wall W14 with the second dwelling unit 114 is formed on one side Ld (10) of the common area 110 on the other side in the width direction of the house. Two dwelling units, a first dwelling unit 113 and a second dwelling unit 114, are in contact with one side Lb (10) of the common area 110 on the back side in the depth direction of the house. Specifically, a part of the boundary wall W13 and a part of the boundary wall W14 are formed on one side Lb (10) of the common area 110 on the first floor on the rear side in the depth direction of the house. W1 is a parting wall that separates the first dwelling unit 113 and the second dwelling unit 114 from each other.

In this embodiment, as shown in FIG. 1B, the first dwelling unit 123 is in contact with one side Lc (20) of the common area 120 on the second floor in the width direction of the house. Specifically, a part of the boundary wall W23 with the first dwelling unit 123 is formed on one side Lc (20) of the common area 120 in the width direction of the house. On the other hand, the second dwelling unit 124 is in contact with one side Ld (20) of the common area 120 on the other side in the width direction of the house. Specifically, a part of the boundary wall W24 with the second dwelling unit 124 is formed on one side Ld (20) of the common area 120 on the other side in the width direction of the house. Two dwelling units, a first dwelling unit 123 and a second dwelling unit 124, are in contact with one side Lb (20) of the common area 120 on the back side in the depth direction of the house. Specifically, a part of the boundary wall W23 and a part of the boundary wall W24 are formed on one side Lb (20) of the common area 120 on the second floor on the rear side in the depth direction of the house. In addition, W2 is a parting wall which divides the 1st dwelling unit 123 and the 2nd dwelling unit 124. As shown in FIG.

Furthermore, in this embodiment, as shown in FIG. 1C, the first dwelling unit 133 is in contact with one side Lc (30) of the common area 130 on the third floor in the width direction of the house. Specifically, a part of the boundary wall W33 with the first dwelling unit 133 is formed on one side Lc (30) of the common area 130 in the width direction of the house. On the other hand, the second dwelling unit 134 is in contact with one side Ld (30) of the common area 130 on the other side in the width direction of the house. Specifically, a part of the boundary wall W34 with the second dwelling unit 134 is formed on one side Ld (30) of the common area 130 on the other side in the width direction of the house. Two dwelling units, a first dwelling unit 133 and a second dwelling unit 134, are in contact with one side Lb (30) of the common area 130 on the back side in the depth direction of the house. Specifically, a part of the boundary wall W33 and a part of the boundary wall W34 are formed on one side Lb (30) of the common area 130 on the third floor on the rear side in the depth direction of the house. W3 is a parting wall between the first dwelling unit 133 and the second dwelling unit 134.

The common area on the first floor has a common entrance on the outer peripheral wall formed on one short side of the common area. In the present embodiment, as shown in FIG. 1A, the common area 110 on the first floor has a common entrance and exit at the outer peripheral wall W10 formed on one side La (10) of the common area 110 on the front side in the depth direction of the house in plan view. has A1.

Also, the common corridor on the first floor extends from one short side of the common area on the first floor to the other short side. In the present embodiment, as shown in FIG. 1A, the common corridor 111 on the first floor extends from one side La (10) on the front side of the common area 110 to one side La (10) on the back side of the house along the depth direction of the house in plan view. It extends to Lb(10).

Further, each of the plurality of dwelling units on the first floor has a dwelling unit doorway facing the area near the other short side of the common area in the common hallway on the first floor. In the present embodiment, as shown in FIG. 1A, the two dwelling units 113 and 114 each have a dwelling unit entrance/exit A2 that faces the area of the shared corridor 111 closer to the back in the depth direction of the house.

A shared corridor is provided in the area near the other short side of the shared area on the second floor and the shared area on the third floor. Specifically, the common area on the second floor and the common area on the third floor are each formed with a floor opening for providing a staircase in the region on the one short side of the common area. A common corridor is provided on the other short side. In this embodiment, the common hallway on the second floor and the common hallway on the third floor are configured as follows for the common areas on each floor.

In this embodiment, as shown in FIG. 1B, the shared corridor 121 on the second floor is a rectangular area defined by four sides La(21) to Ld(21) in plan view. Specifically, one side La (21) on the front side in the depth direction of the house and one side Lb (21) on the back side in the depth direction of the house of the shared corridor 121 are long sides. On the other hand, one side Lc (21) on one side in the width direction of the house and one side Ld (21) on the other side in the width direction of the house of the shared corridor 121 are short sides. That is, in this embodiment, as shown in FIG. 1B, the shared corridor 121 on the second floor is arranged so that the long side of the shared corridor 121 extends in the width direction of the apartment building. Also, the dwelling unit entrances A2 of the two dwelling units 113 and 114 on the first floor are both arranged below the shared corridor 121 on the second floor.

In the present embodiment, a floor opening OP2 for providing a shared staircase, which will be described later, is formed in the area on the front side in the depth direction of the house in the common area 121 on the second floor. In plan view, the floor opening OP2 is formed by one side La (21) on the front side in the depth direction of the common corridor 121, a part of the outer peripheral wall W2, a part of the boundary wall W23, and a part of the boundary wall W24. being surrounded.

Further, in the present embodiment, as shown in FIG. 1C, the shared corridor 131 on the third floor has four sides La (31) to A region is identified by Ld(31). In this embodiment, the shared corridor 131 is arranged at a position overlapping the shared corridor 121 on the second floor in plan view. Specifically, one side La (31) on the front side in the depth direction of the house and one side Lb (31) on the back side in the depth direction of the house of the shared corridor 131 are long sides. On the other hand, one side Lc (31) of the common corridor 131 in the width direction of the house and one side Ld (31) of the other side in the width direction of the house are short sides. That is, in the present embodiment, in the common corridor 131 on the third floor, the long side of the common corridor 131 extends in the width direction of the house in a plan view, as shown in FIG. are arranged as

In this embodiment, a floor opening OP3 is formed in the common area 130 in the front area of the common hallway 131 on the third floor in the depth direction of the house. In a plan view, the floor opening OP3 includes one side La (30) on the front side in the depth direction of the common area 130, one side La (31) on the front side in the depth direction of the common corridor 131, the outer peripheral wall W3, and the boundary wall. It is surrounded by part of W33 and part of boundary wall W34.

In addition, each of the plurality of dwelling units on the second floor has a dwelling unit doorway facing the common corridor. In this embodiment, as shown in FIG. 1B, the first dwelling unit 123 and the second dwelling unit 124 each have a dwelling unit entrance A2 facing the common corridor 121 on the second floor. Further, as shown in FIG. 1C, on the third floor, the first dwelling unit 133 and the second dwelling unit 134 each have a dwelling unit entrance/exit A2 facing the common corridor 131 .

In addition, the common area on each floor has a common staircase connecting the common corridor on the lower floor and the common corridor on the upper floor. In this embodiment, the first common staircase 112 connects the common corridor 111 on the first floor and the common corridor 121 on the second floor, as shown in FIGS. 1A and 1B. Also, as shown in FIGS. 1B and 1C, the shared corridor 121 on the second floor and the shared corridor 131 on the third floor are connected.

The first common staircase 112 connecting the common corridor 111 on the first floor and the common corridor 121 on the second floor is a straight rectangular staircase in plan view. In this embodiment, as shown in FIGS. 1A and 1B, one side La (12) on the front side of the house in the depth direction and one side Lb (12) on the back side of the house in the depth direction of the first common staircase 112 are short sides. . On the other hand, one side Lc (12) of the first common staircase 112 in the width direction of the house and one side Ld (12) of the other side in the width direction of the house are long sides. That is, in this embodiment, as shown in FIGS. 1A and 1B, the first common staircase 112 is arranged so that the long side of the first common staircase 112 extends in the depth direction of the house in plan view. there is

One long side of the first shared staircase 112 is in contact with one long side of the common area 110 on the first floor. As shown in FIG. 1A, in the present embodiment, on one side Lc (12) of the first common staircase 112 in the width direction of the house, one side Lc (10) of the one side in the width direction of the house of the common area 110 is provided. part is formed. In other words, one side Lc (12) of the first common staircase 112 in the width direction of the house extends along the boundary wall W13.

Furthermore, the first shared staircase 112 is configured to ascend from the one short side of the common area toward the other short side. As shown in FIG. 1A, in this embodiment, the first common staircase 112 is configured to rise from the front side in the depth direction of the house toward the rear side in the depth direction of the house.

Specifically, the first common staircase 112 is a downward curved staircase. In the present embodiment, the first shared staircase 112 is a downward-curving staircase that has a rectangular outer shape in plan view and bends in the ascending/descending direction by 90° near the entrance. More specifically, as shown in FIG. 1A, the entrance 112a of the first common staircase 112 is positioned on the width direction side of the house. Specifically, as shown in FIG. 1A, the riser 112a faces the other side in the width direction of the house in plan view. On the other hand, as shown in FIG. 1B, the exit 112b of the first common staircase 112 is positioned on the rear side of the house. Specifically, as shown in FIG. 1B, the rising edge 112b faces the rear side in the depth direction of the house in a plan view.

In this embodiment, as shown in FIG. 1A, one side La (12) of the first common staircase 112 on the front side in the depth direction of the house is aligned with one side La (10) on the front side of the house in the depth direction of the common area 110 on the first floor. in contact with Specifically, a part of one side La (10) of the common area 110 on the front side in the depth direction of the house is formed on the side La (12) on the front side in the depth direction of the house of the first shared staircase 112 . In addition, in the present embodiment, as shown in FIG. 1A, the other side Ld (12) of the first common staircase 112 in the width direction of the house corresponds to the other side Ld (12) of the common area 130 in the width direction of the house in plan view. It is separated from (10) in the width direction of the house. Thereby, as shown in FIG. 1A, the shared corridor 111 on the first floor can extend from the front side of the common area 110 in the depth direction of the house to the back side of the house in the depth direction in plan view. In particular, in the present embodiment, as shown in FIG. 1A, the common entrance A1 provided in the portion of the outer peripheral wall W10 facing the common area 110 on the first floor extends in the extending direction of the common corridor 111 on the first floor in plan view. It is located on the extension line of Thereby, a resident or the like can enter straight from the common entrance A1 toward the rear side in the depth direction of the house.

On the other hand, as shown in FIG. 1B, one side Lb (12) of the first shared staircase 112 on the back side in the depth direction of the house is in contact with one side La (21) on the front side of the house in the depth direction of the shared corridor 121 on the second floor. . In this embodiment, one side Lb (12) of the first common staircase 112 on the rear side in the depth direction of the house is connected to one side La (21) on the front side in the depth direction of the common corridor 121 on the second floor. Specifically, a part of one side La (21) of the shared corridor 121 on the front side in the depth direction of the house is formed on one side Lb (12) of the first shared staircase 112 on the back side in the depth direction of the house. More specifically, as shown in FIG. 1B, one side Lb (12) of the first shared staircase 112 on the back side in the depth direction of the house is the one side Lb (12) on the back side of the house in the depth direction of the shared corridor 121 on the second floor in plan view. (21) is connected to one side in the width direction of the house.

The second common staircase 122 that connects the common corridor 121 on the second floor and the common corridor 131 on the third floor is a folding type staircase in plan view. The turn-around type staircase includes a lower staircase portion having an ascending opening, a turnaround portion (landing) connected to the lower staircase portion, an upper staircase portion having an exit and connected to the turnaround portion, It has As shown in FIGS. 1B and 1C, in the present embodiment, the second shared staircase 122 includes a lower staircase portion 125 having an opening 122a, a folded portion 126 connected to the lower staircase portion 125, and an exit opening. The dimension having 122b and connected to the folded portion 126 comprises an upper staircase portion 127; The straight portion of the second common staircase 122 has the same tread size and riser size, and the first common staircase 112 has the same tread size and riser size.

In the present embodiment, as shown in FIG. 1B, the area of the lower staircase portion 125 is defined by four sides La(25) to Ld(25) in plan view. Specifically, one side La (25) on the front side in the depth direction of the house and one side Lb (25) on the back side in the depth direction of the house of the lower staircase portion 125 are short sides. On the other hand, one side Lc (25) on one side in the width direction of the house and one side Ld (25) on the other side in the width direction of the house of the lower staircase portion 125 are long sides. That is, in this embodiment, as shown in FIG. 1B, the lower staircase portion 125 is arranged such that the long side of the lower staircase portion 125 extends in the depth direction of the house in plan view.

The other long side of the lower staircase portion 125 is in contact with the other long side of the common area 120 on the second floor. As shown in FIG. 1B, in the present embodiment, on the other side Ld (25) of the lower staircase portion 125 on the other side in the width direction of the house, part of the other side Ld (20) of the common area 120 on the other side in the width direction of the house is formed. In other words, one side Ld (25) on the other widthwise side of the lower staircase portion 125 extends along the boundary wall W24.

Furthermore, the lower staircase portion 125 is configured to ascend from the other short side of the shared portion toward the one short side. As shown in FIG. 1B, in the present embodiment, the lower staircase portion 125 is configured to ascend from the rear side in the depth direction of the house toward the front side in the depth direction of the house.

The entrance 122a of the second common staircase 122 is arranged side by side with the entrance 112b of the first common staircase 112 in plan view. connected to the side edges. As shown in FIG. 1B, in the present embodiment, one side Lb (25) of the lower staircase portion 125 on the rear side in the housing depth direction extends along the housing width direction in plan view. It is connected to one side La (21) on the front side in the depth direction of the house of the shared corridor 121 on the second floor so as to be parallel to one side Lb (12) on the rear side.

Specifically, one side Lb (25) on the back side in the depth direction of the lower staircase 125 is in contact with one side La (21) on the front side in the depth direction of the common hallway 121 on the second floor, as shown in FIG. 1B. there is In this embodiment, one side Lb (25) on the rear side in the depth direction of the lower staircase 125 is connected to one side La (21) on the front side in the depth direction of the common hallway 121 on the second floor. Specifically, a part of one side La (21) of the shared corridor 121 on the front side in the depth direction of the house is formed on the side Lb (25) on the back side in the depth direction of the house of the lower staircase portion 125 . More specifically, as shown in FIG. 1B, one side Lb (25) of the lower staircase portion 125 on the back side in the depth direction of the house corresponds to one side Lb (25) on the back side of the house in the depth direction of the common corridor 121 on the second floor in plan view. 21) on one side in the width direction of the house.

On the other hand, as shown in FIG. 1B, in the present embodiment, one side La (25) of the lower staircase portion 125 on the front side in the housing depth direction corresponds to one side Lb (26) on the rear side of the housing depth direction of the folded portion 126 in plan view. )It is connected to the.

In the present embodiment, as shown in FIG. 1C, the folded portion 126 is a rectangle partitioned by four sides La(26) to Ld(26) in plan view. Specifically, one side La (26) on the front side in the depth direction of the house and one side Lb (26) on the rear side in the depth direction of the house of the folded portion 126 are long sides. On the other hand, one side Lc (26) on one side in the width direction of the house and one side Ld (26) on the other side in the width direction of the house of the folded portion 126 are short sides. That is, in the present embodiment, as shown in FIG. 1C, the folded portion 126 is arranged such that the long side of the folded portion 126 extends in the width direction of the house in plan view.

Further, the long side portion of the folded portion 126 is in contact with the long side of the common area 120 on the second floor. As shown in FIG. 1C, in the present embodiment, on one side Lc (26) of the folded portion 126 on one side in the width direction of the house, a part of one side Lc (20) on the one side in the width direction of the house of the common area 120 is formed. In other words, one side Lc (26) of the folded portion 126 in the width direction of the house extends along the boundary wall W23. On the other hand, in the present embodiment, a part of the other side Ld (20) of the common area 120 in the width direction of the house is formed on the other side Ld (26) of the folding part 126 on the other side in the width direction of the house. ing. In other words, one side Ld (26) of the folded portion 126 on the other side in the width direction of the house is along the boundary wall W24.

On the other hand, in the present embodiment, as shown in FIG. 1C, the upper staircase portion 127 is a rectangle partitioned by four sides La(27) to Ld(27) in plan view. Specifically, one side La (27) on the front side in the depth direction of the house and one side Lb (27) on the back side in the depth direction of the house of the upper staircase portion 127 are short sides. On the other hand, one side Lc (27) on one side in the width direction of the house and one side Ld (27) on the other side in the width direction of the house of the upper staircase portion 127 are long sides. That is, in the present embodiment, as shown in FIG. 1C, the upper staircase portion 127 is arranged such that the long side of the upper staircase portion 127 extends in the depth direction of the house in plan view.

One long side of the upper staircase portion 127 is in contact with one long side of the common area 120 on the second floor. As shown in FIG. 1C, in the present embodiment, on one side Lc (27) of the upper staircase portion 127 on one side in the width direction of the house, a part of one side Lc (20) on the one side in the width direction of the house of the common area 120 is provided. is formed. In other words, one side Lc (27) of the upper staircase portion 127 in the width direction of the house extends along the boundary wall W23.

Furthermore, the upper staircase portion 127 is configured to rise from the one short side of the common area toward the other short side. As shown in FIG. 1C, in the present embodiment, the upper staircase portion 127 is configured to ascend from the front side in the depth direction of the house toward the rear side in the depth direction of the house.

In the present embodiment, as shown in FIG. 1C, one side La (27) on the front side in the housing depth direction of the upper staircase section 127 is aligned with one side Lb (26) on the rear side in the housing depth direction of the folded section 126 in plan view. It is connected. Specifically, as shown in FIG. 1C, one side La (27) of the upper staircase portion 127 on the front side in the depth direction of the house is located relative to one side Lb (26) on the back side of the house in the depth direction of the folded portion 126 in plan view. connected to one side in the width direction of the house.

The top 122b of the second common staircase 122 is located in the common corridor 131 on the third floor so that the top 122b side portion of the second common staircase 122 overlaps the first common staircase 112 in plan view. It is connected to the one short side edge of the shared portion. As shown in FIG. 1C, in the present embodiment, one side Lb (27) of the upper staircase portion 127 on the rear side in the housing depth direction is located on the rear side of the housing in the width direction of the first common staircase 112 in plan view. It is connected to one side La (31) of the common hallway 131 on the third floor on the front side in the depth direction of the house so as to coincide with (overlap) one side Lb (12).

Specifically, as shown in FIG. 1C, one side Lb (27) on the back side in the depth direction of the house of the upper staircase 127 is in contact with one side La (31) on the front side in the depth direction of the house of the shared corridor 131 on the third floor. there is In this embodiment, one side Lb (27) of the upper staircase 127 on the rear side in the depth direction of the house is connected to one side La (31) on the front side of the common corridor 131 in the depth direction of the house. Specifically, a part of one side La (31) of the shared corridor 131 on the front side in the depth direction of the house is formed on the side Lb (27) on the back side in the depth direction of the house of the upper staircase portion 127 . More specifically, as shown in FIG. 1C, one side Lb (27) of the upper staircase 127 on the back side in the depth direction of the house corresponds to one side Lb (27) on the back side of the house in the depth direction of the common corridor 131 on the third floor in plan view. 31) on the other side in the width direction of the house.

According to the apartment house 1A according to the present embodiment, the common areas 110 to 130 on each floor are rectangular in plan view, as shown in FIGS. 1A to 1C. , in a plan view, it becomes a simple one with few irregularities. Therefore, according to the present embodiment, the common areas of each floor can be made as compact as possible while suppressing the enlargement of the common areas 110 to 130 on each floor, as in the case of a conventional staircase-type apartment building. In addition, since the common areas 110 to 130 on each floor are simple and compact, construction costs can be suppressed.

In addition, if the common staircase that connects the first and second floors is of the folded type, as in conventional staircase-type apartments, the folded part of the common staircase when entering and exiting the common area on the first floor from the outside. (Landing) must be crawled under, which may hinder loading and unloading of large items. On the other hand, according to the condominium 1A according to the present embodiment, as shown in FIG. has an area that does not overlap with the first common staircase 112, and there is no need to go under the first common staircase. In addition, above the first shared staircase, the folded portion 126 of the second shared outside staircase 122 and the upper staircase portion 127 overlap so that the ascending and descending directions are the same, and even below the upper staircase portion 127 , the same height as the first common corridor 111 is ensured. Therefore,
Luggage can be carried in and out from the common entrance A1 on the first floor without any trouble.

As described above, according to the apartment house 1A according to the present embodiment, it becomes an apartment house in which luggage can be carried in and out from the first floor without any trouble while maintaining a compact common area. In addition, since the compact common area is maintained, the construction cost is suppressed and the rentable ratio is increased, which increases the profitability as a rental housing.

By the way, in the apartment house 1A according to this embodiment, the common areas of each floor are arranged inside the apartment house 1A. Specifically, as shown in FIGS. 1A to 1C, the common areas 110 to 130 on each floor are indoor common areas arranged inside the outer peripheral walls W10 to W30 of the apartment house 1A. The outer walls W10-W30 include an outer wall made of ALC (lightweight cellular concrete) panels and an inner wall made of gypsum board, and have a wall thickness of 250-300 mm.

In addition, in this embodiment, the one short side of the common area 110 on the first floor faces the outer peripheral wall on the first floor of the condominium 1A. Specifically, as shown in FIG. 1A, the housing depth direction front short side La (10) of the common area 110 on the first floor is the outer peripheral wall W10 on the first floor of the condominium 1A.

Further, in the present embodiment, the outer peripheral wall W20 on the second floor is provided at the same position as the outer peripheral wall W10 on the first floor in plan view at least for the portions facing the common areas 110 and 120 . Specifically, as shown in FIG. 1B, the outer peripheral wall W20 of the second floor stands up at a position overlapping the outer peripheral wall W10 in plan view.

Furthermore, in the present embodiment, the folded portion 126 of the second common staircase 122 does not reach the outer peripheral wall W20 on the second floor, and the surplus region S near the outer peripheral wall W20 communicates with the common area 110 on the first floor. It has an atrium. Specifically, as shown in FIGS. 1B and 1C, the folded portion 126 of the second shared staircase 122 is not in contact with the outer peripheral wall W20 of the second floor in plan view. Therefore, in the present embodiment, as shown in FIGS. 1B and 1C, there is a surplus region S between the folded portion 126 of the second common staircase 122 and the outer peripheral wall W20 of the second floor in plan view. formed. The surplus area S becomes an atrium that communicates with the area near the common entrance A1 in the common area 110 on the first floor.

Furthermore, as shown in FIG. 1B and the like, in this embodiment, a window 201 is provided in the outer peripheral wall W20 facing the atrium (surplus area S). By providing the window 201 on the outer peripheral wall W20, light from outside can be taken into the common area 110 on the first floor through the window 201, and the space can be made bright and open.

In addition, the condominium 1A may be provided with a mailbox on the one short side of the common area 110 on the first floor. As shown in FIG. 1A, in the present embodiment, the condominium 1A is provided with a mailbox 202 on one side La (10) on the front side in the depth direction of the common area 110 on the first floor. Specifically, as shown in FIG. 1A, the mailbox 202 is provided at a position aligned with the first common staircase 112 in the depth direction of the house in plan view. In this embodiment, the mailbox 202 is provided in the vicinity of the common entrance A1 on the outer peripheral wall W10 of the first floor without protruding toward the common area 110 on the first floor by utilizing the wall thickness of the outer peripheral wall W10. In this case, it is possible to receive deliveries such as postal items and parcels through streamlined flow lines. Thereby, according to this embodiment, the value of the condominium 1A can be improved.

In addition, in the apartment house 1A according to the present embodiment, various stairs can be adopted as the first shared staircase 112 as long as it is a linear staircase. In this embodiment, the first common staircase 112 is a downward curved staircase, as shown in FIG. 1A. In this case, the extension length of the first common staircase 112 can be suppressed while the first common staircase 112 is of the straight type.

[Second embodiment]
Next, with reference to FIG. 2, a condominium according to a second embodiment of the present invention will be described. In FIG. 2, the code|symbol 1B is the condominium of 2nd Embodiment which concerns on this invention. Apartment house 1B is a modification of apartment house 1A. The condominium 1B uses the surplus area S of the condominium 1A as part of the dwelling units on the second floor. Hereinafter, the same reference numerals are used for portions that are substantially the same as those of the condominium 1A.

In the apartment house 1B according to this embodiment, the common areas of each floor are arranged inside the apartment house 1B, like the apartment house 1A. Specifically, the common area 110 on the first floor is arranged inside the outer peripheral wall W10, as shown in FIG. 1A. As shown in FIG. 2, the common area 120 on the second floor is arranged inside the outer peripheral wall W20 of the apartment house 1B. Further, as shown in FIG. 2, the common area 130 on the third floor is also arranged inside the outer peripheral wall W30 of the condominium 1B.

Further, in the present embodiment, the one short side of the common area 110 on the first floor is the outer peripheral wall W10 on the first floor of the condominium 1B, like the condominium 1A. Specifically, as in the condominium 1A, as shown in FIG. 1A, the housing depth direction front short side La (10) of the common area 110 on the first floor is the outer peripheral wall W10 of the first floor of the condominium 1A.

In addition, in the present embodiment, the outer peripheral wall W10 on the first floor has the outer peripheral wall W20 on the second floor of the apartment building 1B at the same position as the outer peripheral wall W10 on the first floor in plan view, similarly to the apartment house 1A. are set continuously. Specifically, as in the condominium 1A, the outer peripheral wall W20 on the second floor, as shown in FIG. are doing.

Furthermore, in this embodiment, the folded portion 126 of the second common staircase 122 does not reach the outer peripheral wall W20 of the second floor, and the floor 203 exists in the surplus region S near the outer peripheral wall W20 of the second floor. there is In this embodiment, as shown in FIG. 2, the folded portion 126 of the second common staircase 122 does not touch the outer peripheral wall W20 of the second floor in plan view, as in the other embodiments. For this reason, in the present embodiment, as shown in FIG. 2, between the folded portion 126 of the second common staircase 122 and the outer peripheral wall W20 of the second floor, in a plan view, there is an excess area near the outer peripheral wall W20. S is formed. In this embodiment, the surplus area S has a floor 203 as shown in FIG. As a specific example, one side La (26) on the front side in the housing depth direction of the folded portion 126 of the second common staircase 122 is a common staircase side partition wall W40 extending in the vertical direction. In this embodiment, the floor 203 is connected to the shared staircase side partition wall W40 and the outer peripheral wall W20 of the second floor along the depth direction of the house. Furthermore, in the present embodiment, one side Lc (20) of the common area 120 on the second floor in the width direction of the house is a boundary wall W23 extending in the vertical direction. In addition, one side Ld (20) on the other side in the width direction of the house of the common area 120 on the second floor is a boundary wall W24 extending in the vertical direction. Further, in this embodiment, the floor 203 is connected to a boundary wall W23 and a boundary wall W24 along the width direction of the house. In this way, according to the present embodiment, the floor 203 can exist in the surplus area S near the outer peripheral wall W20 on the second floor.

Furthermore, in this embodiment, the surplus area S is a part of the dwelling unit on the second floor. In this embodiment, the boundary wall W23 is provided with a dwelling unit opening A5 through which the surplus area S and the first dwelling unit 123 are communicated. Moreover, the boundary wall W24 is provided with a dwelling unit opening A5 through which the surplus area S and the second dwelling unit 124 are communicated. Furthermore, in this embodiment, as shown in FIG. 2, a surplus area partition wall W4 that divides the surplus area S into two areas is provided between the shared staircase side partition wall W40 and the outer peripheral wall W20. . Thereby, in this embodiment, the surplus area S can be divided into the first area S1 and the second area S2. The first area S1 can be used as part of the first dwelling unit 123 . The second area S2 can be used as part of the second dwelling unit 124 . 1st area|region S1 and 2nd area|region S2 can each be used as a container, for example.

As shown in FIG. 2, in the present embodiment, a floor 203 exists in the surplus area S near the outer wall W20 on the second floor, and the surplus area S becomes part of the dwelling units 123 and 124 on the second floor. ing. In this case, the surplus area S can be effectively used, and the rentable ratio can be increased. In addition, in this embodiment, the surplus area S is divided into the first area S1 and the second area S2, and is evenly used as part of the two dwelling units. However, according to the present invention, the surplus area S is used only as a part of one of the two dwelling units by omitting the surplus area partition wall W4 and omitting either one of the two dwelling unit entrances. be able to.

By the way, in the condominium 1B according to the present embodiment, the folded portion 126 of the second common staircase 122 does not reach the one short side of the common area 120 on the second floor, and the one short side of the common area 120 is not reached. A floor 203 exists in the surplus region S on the side. Therefore, in this embodiment, the surplus area S can be a space that can be entered and exited from the dwelling units on the second floor. In this case, the surplus area S can be effectively utilized as a multi-purpose space, and the value of the condominium can be increased. As a specific example, the dwelling unit opening A5 provided in the boundary wall W23 of the first dwelling unit and the boundary wall W24 of the second dwelling unit can be used as the dwelling unit doorway A3. In this case, any one of the surplus area S, the first area S1 and the second area S2 can be, for example, a smoking room.

[Third embodiment]
Next, with reference to FIG. 3, a condominium according to a third embodiment of the present invention will be described. In FIG. 3, the code|symbol 1C is the apartment of 3rd Embodiment which concerns on this invention. Apartment house 1C is a modification of apartment house 1A. The condominium 1C uses the surplus area S of the condominium 1A as an external space accessible from the dwelling units on the second floor. Hereinafter, the same reference numerals are used for portions that are substantially the same as those of other embodiments.

In the condominium 1C according to this embodiment, the folded portion 126 of the second common staircase 122 does not reach the one short side of the common area 120 on the second floor, and does not reach the one short side of the common area on the second floor. A floor exists in the surplus area S near the side. In the present embodiment, as shown in FIG. 3, as in the other embodiments, the folded portion 126 of the second common staircase 122 is located on the front side La of the common space 120 on the second floor in the depth direction of the house in plan view ( 20) has not been reached. In addition, in the present embodiment, the sides La(20) and La(30) on the front side in the depth direction of the house of the common areas 120 and 130 on the second and higher floors do not form the outer peripheral walls W20 and W30 of the condominium 1C. . That is, in this embodiment, one side La(20), La(30) on the front side in the depth direction of the house of the common areas 120, 130 on the second floor and above is open to the outside. For this reason, in this embodiment, as shown in FIG. 2, the floor 203 protrudes from the shared staircase side partition wall W40 to the front side in the depth direction of the house along the depth direction of the house. Furthermore, in this embodiment, the floor 203 is connected to the boundary wall W23 and the boundary wall W24 along the width direction of the house. In this way, according to this embodiment, the floor 203 can be present in the surplus region S near La (20) on the front side in the depth direction of the house in the shared space 120 on the second floor.

Furthermore, in this embodiment, the surplus area S is a space that can be entered and exited from the dwelling units on the second floor. In this embodiment, the boundary wall W23 is provided with an entrance A3 through which the surplus area S and the first dwelling unit 123 are communicated. Further, the boundary wall W24 is provided with an entrance A3 through which the surplus area S and the second dwelling unit 124 are communicated. Furthermore, in this embodiment, a handrail 204 is provided on the floor 203, as shown in FIG. In addition, in this embodiment, as shown in FIG. 3, a surplus area partition wall W4 that divides the surplus area S into two areas is provided between the shared staircase side partition wall W40 and the handrail 204. . As a result, in the present embodiment, the surplus area S is divided into the first area S1 and the second area S2, as in the condominium 1B. In this embodiment, the first area S1 can be used as a veranda or balcony of the first dwelling unit 123, for example. The second area S2 can also be used as a veranda or balcony of the second dwelling unit 124, for example. In addition, in this embodiment, the shared staircase-side partition wall W40 is provided with a fixed window (inset window) 205 .

In this embodiment, as shown in FIG. 3, a floor 203 exists in the surplus area S near La (20) on the front side of the house in the depth direction of the common area 120 on the second floor, and the surplus area S is It is a space that can be entered and exited from the dwelling unit on the second floor. In this case as well, the surplus area S can be effectively utilized as a multi-purpose space similarly to the condominium 1B, and the value of the condominium can be increased.

In particular, in the condominium 1C according to this embodiment, the space is an open space leading to the outside. In this case, the surplus area S can be effectively used as an external space such as a veranda or balcony, as described above, and the value of the condominium can be increased.

[Fourth embodiment]
Next, a condominium according to a second embodiment of the present invention will be described with reference to FIGS. 4A to 4C. Hereinafter, the same reference numerals are used for portions that are substantially the same as those of other embodiments. In FIG. 4A, reference numeral 1D denotes a condominium according to a fourth embodiment of the present invention. In the apartment house 1D, the first shared staircase 112 is a linear type staircase, and the surplus area S has a roof.

In the present embodiment, as shown in FIG. 4A, the first shared staircase 112 is a rectangular linear type staircase partitioned by four sides in plan view, as in the other embodiments. In this embodiment, as shown in FIGS. 4A and 4B, the long side of the first shared staircase 112 extends in the depth direction of the house in plan view, as in the other embodiments. are arranged as

In this embodiment, the first common staircase 112 is a straight staircase. More specifically, as shown in FIG. 4A, the entrance 112a of the first common staircase 112 is positioned on the front side of the house. More specifically, as shown in FIG. 4A, the riser 112a faces the front side in the depth direction of the house in plan view. On the other hand, as shown in FIG. 4B, the exit 112b of the first common staircase 112 is positioned on the rear side of the house. More specifically, as shown in FIG. 4B, the rising edge 112b faces the rear side in the depth direction of the house in plan view. In addition, in the present embodiment, since the first common staircase 112 is of a straight line type, as shown in FIG. It is separated from the wall W10, that is, one side La (10) on the front side in the depth direction of the common area 110 on the first floor.

In the condominium 1D according to the present embodiment, the folded portion 126 of the second common staircase 122 does not reach the one short side of the common area 120 on the second floor, and does not reach the one short side of the common area 120 on the second floor. A roof 207 exists in the surplus area S near the side.

In this embodiment, the second common staircase 122 is a folding type staircase similar to the other embodiments. In this embodiment, as shown in FIG. 4B and the like, as in the other embodiments, one side La (26) on the front side in the depth direction of the house of the folded portion 126 of the second common staircase 122 is the second floor in plan view. It does not reach one side La (20) of the common area 120 on the front side in the depth direction of the house. Further, as shown in FIGS. 4B and 4C, in the present embodiment, similarly to the condominium 1C, one side La(20), La(30) on the front side in the depth direction of the common area 120, 130 on the second floor or higher is , do not form the outer peripheral walls W20 and W30 of the condominium 1C. That is, in this embodiment, as in the condominium 1C, the front sides La(20) and La(30) in the depth direction of the common areas 120 and 130 on the second and higher floors are open to the outside. For this reason, in the present embodiment, as shown in FIG. 4B and the like, the roof 207 protrudes from the shared staircase-side partition wall W40 along the depth direction of the house to the front side in the depth direction of the house. Furthermore, in this embodiment, the roof 207 is connected to the boundary wall W23 and the boundary wall W24 along the width direction of the house. In this way, according to this embodiment, the roof 207 can be present in the surplus region S on the side La (20) on the front side in the depth direction of the house in the common area 120 on the second floor.

In the condominium 1D according to this embodiment, the surplus area S is open to the outside. Moreover, the roof 207 exists in the surplus area S. As shown in FIG. In this case, the roof 207 can serve as an eaves for the common area 110 on the first floor. In addition, in this embodiment, a fixed window (inset window) 205 is provided in the shared stairway side partition wall W40 on the second floor. The fixed window 205 allows light to enter into the folded portion 126 of the second common staircase 122 . Therefore, according to this embodiment, the value of the condominium can be increased by effectively utilizing the surplus area S as a roof.

FIG. 5 shows an embodiment of the condominium 1A shown in FIGS. 1A-1C. FIG. 6A shows the first floor of the condominium 1A of FIG. 5 from the rear side in the depth direction of the house. FIG. 6B shows the second floor portion of the condominium 1A of FIG. 5 from the rear side in the depth direction of the house. FIG. 6C shows the third floor portion of the condominium 1A of FIG. 5 from the rear side in the depth direction of the house.

In this embodiment, a space S3 below the stairs is formed on the rear side of the first common staircase 112 in the depth direction of the house. The space S3 below the stairs can be part of the space of the common area 110 . Therefore, according to the present embodiment, it is possible to secure a large common area 110 on the first floor.

FIG. 7 shows a modification of the apartment house 1A shown in FIG. FIG. 8A shows the first floor of the condominium 1A of FIG. 7 from the rear side in the depth direction of the house. FIG. 8B shows the second floor portion of the apartment house 1A of FIG. 7 from the rear side in the depth direction of the house. FIG. 8C shows the third floor portion of the apartment house 1A of FIG. 7 from the rear side in the depth direction of the house.

In this embodiment, as shown in FIG. 7, a common area side partition wall W50 is provided on the back side of the first common staircase 112 in the depth direction of the house. The common area side partition wall W50 can separate the space S3 below the first common staircase 112 from the space of the common area 110, which is formed on the back side of the first common staircase 112 in the depth direction of the house. Therefore, according to this embodiment, by providing a door in the partition wall W50 on the side of the common area, it is possible to accommodate the worship hall apparatus and the like in the space S3 below the stairs.

As described above, according to the present invention, it is possible to provide an apartment building in which luggage can be carried in and out from the first floor without hindrance while maintaining a compact common area.

The foregoing merely discloses some embodiments of the present invention, and various modifications are possible within the scope of the claims. For example, the apartment house according to the present invention can be a high-rise house with four or more stories. Moreover, according to the apartment building according to the present invention, it is preferable that at least the common area and the common staircase on each floor have the same planar configuration in plan view. For example, the common areas and common stairs on each floor are preferably arranged at the same planar position in plan view. However, except for common areas and common staircases, each floor may have a different planar configuration. Moreover, the exclusive area of each dwelling unit may be the same or may be different. In addition, the apartment complex according to the present invention may be either a rental apartment complex or a condominium complex for sale. Moreover, the apartment complex according to the present invention also includes housing such as housing complexes in which a plurality of residential buildings are arranged so that a plurality of dwelling units on each floor can enter and exit via a common staircase. Various configurations adopted in each embodiment and each example described above can be used in combination with each other. In addition, various configurations adopted in each embodiment and each example described above can be replaced with each other as appropriate.

1A to 1D: apartment house, 110: common area (1st floor), La (10) to Ld (10): one side of common area (1st floor), W10: outer wall of apartment house (1st floor), 111: Common Corridor (1st Floor), 112: 1st Common Stairs (1st Floor), 112a: Entrance, 112b: Entrance, La (12) to Ld (12): One Side of 1st Common Stairs (1st Floor) , 113-114: Dwelling unit (1st floor), W13, W14: Boundary wall of dwelling unit (1st floor), 120: Common area (2nd floor), La (20)-Ld (20): One side of common area (2 floor), W20: Outer wall of condominium (2nd floor), 121: Common hallway (2nd floor), 122: Second common staircase (2nd floor), 122a: Entrance, 122b: Entrance, 125: Lower stairs Part, La (25) to Ld (25): One side of the lower staircase (second floor), 126: Folding part, La (26) to Ld (26): One side of the folding part (second floor), 127: Upper staircase, La(27)-Ld(27): One side of upper staircase (2nd floor), 123-124: Dwelling unit (2nd floor), W23, W24: Dwelling unit boundary wall (2nd floor), W40: Shared stairs side partition wall W50: Common area side partition wall 201: Window 202: Mailbox 203: Floor 204: Handrail. 205: Fixed window, A1: Common entrance, A2: Dwelling unit entrance, A3: Dwelling unit entrance, A5: Dwelling unit opening, S: Surplus area, S1: First area (surplus area), S2: Second area (surplus area), OP2: Common area opening (2nd floor), OP3: Common area opening (3rd floor)

Claims (8)

Each floor from the 1st floor to at least the 3rd floor has a common area and a plurality of dwelling units,
The common area on each floor is a rectangle partitioned by four sides in a plan view, and at least three sides of the common area excluding one short side are surrounded by the plurality of dwelling units, and The common area on each floor includes a common corridor and a common staircase connecting the common corridor on the lower floor and the common corridor on the upper floor,
The common area on the first floor has a common entrance on one of the short sides of the common area in plan view. It extends from the one short side of the common area to the other short side, and furthermore, the plurality of dwelling units on the first floor each extend from the common area in the common corridor on the first floor in a plan view. has a dwelling unit entrance facing the other short side of the
The common areas on the second and third floors each have the common corridor on the other short side of the common areas in plan view, and the plurality of dwelling units on the second floor each have , in plan view, has a dwelling unit entrance facing the common corridor,
The first common staircase connecting the common corridor on the first floor and the common corridor on the second floor is a straight rectangular staircase partitioned by four sides in a plan view, and the first common staircase One long side portion of the common staircase is in contact with one long side of the common area on the first floor, and the first common staircase extends from the one short side of the common area to the other side. It is configured to rise toward the short side,
The second common staircase that connects the common corridor on the second floor and the common corridor on the third floor is a folded-type staircase in plan view, and the entrance of the second common staircase is, in plan view, It is connected to the one short side edge of the common part of the common corridor on the second floor so as to be side by side with the exit of the first common staircase, and the second common staircase The ascending exit is located on the one short side of the common part of the common corridor on the third floor so that the part on the ascending exit side of the second common staircase overlaps with the first common staircase in plan view. An apartment building connected to an edge. The common area on each floor is located inside the apartment building, and the one short side of the common area on the first floor is the outer peripheral wall of the first floor of the apartment building. On the outer peripheral wall, the outer peripheral wall on the second floor of the condominium is continuously provided at the same position as the outer peripheral wall on the first floor in plan view, and the folded portion of the second common staircase is: In the surplus area near the outer peripheral wall of the second floor that does not reach the outer peripheral wall of the second floor, an atrium is formed that communicates the common area of the first floor with the common area of the second floor. The condominium according to claim 1, wherein said outer peripheral wall facing said atrium on said second floor is provided with a window. The common area on each floor is located inside the apartment building, and the one short side of the common area on the first floor is the outer peripheral wall of the first floor of the apartment building. On the outer peripheral wall, the outer peripheral wall on the second floor of the condominium is continuously provided at the same position as the outer peripheral wall on the first floor in plan view, and the folded portion of the second common staircase is: There is a floor in the surplus area near the outer wall of the second floor that does not reach the outer wall of the second floor, and the surplus area is part of the dwelling unit of the second floor. , The apartment house according to claim 1. The folded portion of the second common staircase does not reach the one short side of the common area on the second floor, and the surplus area near the one short side of the common area on the second floor has a floor 2. The condominium according to claim 1, wherein the surplus area is a space that can be accessed from the dwelling unit on the second floor. 5. The condominium according to claim 4, wherein said space is an open space leading to the outside. The folded portion of the second common staircase does not reach the one short side of the common area on the second floor, and the surplus area near the one short side of the common area on the second floor has a roof 2. The apartment complex of claim 1, wherein there is a . 7. The condominium according to any one of claims 1 to 6, wherein a mailbox is provided on said one short side of said common area on said first floor. 8. The condominium according to any one of claims 1 to 7, wherein said first common staircase is a downward winding staircase.

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