Itabashi House, Tokyo Property, Japanese Building, Design, Image
RoomRoom, Tokyo, Japan : Itabashi Residence
RoomRoom Japan – design by Takeshi Hosaka Architects
22 Sep 2011
Design: Takeshi Hosaka Architects
RoomRoom (House for hearing Handicapped persons)
This is a house where deaf parents and two children are living. The two sides of the premises are facing narrow roads in an overcrowded residential area in Itabashi ward, Tokyo. The small main building built five years ago became so narrow for dwellers for three generations that they bought a piece of land neighbouring to their house to build an annex.
The house consists of two small rooms at the first floor, one big room in the second floor and the roof. It is two stories with box shape construction with many small openings only 200 mm squares randomly installed on the walls, floors and the roof. The openings of 200 mm square on the floor are used as atriums or as practical openings for communications between the first and the second floors. Communications are done through this small opening verbally between children with hearing capability and communications between parents without hearing capability and children with hearing capability are done by sign language.
Children sometimes call their parents’ attention by dropping a small minicar. The openings on the walls are useful to take air and light from outside and in addition, they are used as a communication tool between a small garden and indoor. In the same way, the openings between the rooftop and the second floor and between the rooftop and the first floor not only work to take light from outside but also help communication of sign language. And also, the tree set up in the first floor is sticking out to the second floor passing through four or five 200 mm square openings. From this, the 200 mm openings become a conduit for human beings, plant, wind and light and human being communications to extend the inside and outside of the house in length and breadth in all directions.
It is possible to converse with sign language if we don’t have hearing capability. Communications by sign language easily pierce through the window which separates the inside and the outside of the house. The small 200 mm square openings are installed at various places like the floor, roof, and wall and children with hearing capability, parents without hearing capability look very free and vivid and plants, light and wind are dynamically circulating from inside to outside.
RoomRoom – Building Information
Architect: Takeshi Hosaka
Structural Engineers: Nobuo Sakane NOBUO SAKANE
Photographs: Koji Fujii / Nacasa&Pertners Inc.
Client: Jyunichi Oshiro
Name of the project: RoomRoom
Exact definition of the building: a couple and two boys
Location of the project: Itabashi-ku, Tokyo, Japan
Construction nature : wooden-structure
Site: 58.43 sqm
Building area: 36.00 sqm
Floor area ratio: 72.00 sqm
Building height: 5.450 m
No. of floors: 2F
Building function: house (annex)
Design: May 2010 – Sep 2010
Planning start: May 2010
Beginning of construction : Sep 2010
Completion: Dec 2010
Takeshi Hosaka Architects are based in Yokohama, Kanagawa, Japan
RoomRoom Japan images / information from Takeshi Hosaka Architects
Location:Itabashi, Tokyo, Japan ‘
Japanese Architecture Designs – chronological list
Designs by Takeshi Hosaka Architects on e-architect:
Daylight House, Yokohama, southeast Japan
photograph : Koji Fujii / Nacasa&Pertners Inc.
HOTO FUDO, Yamanashi, Japan
photo : Koji Fujii / Nacasa&Partners Inc.
LOVE HOUSE, Yokohama, southeast Japan
photo : Masao Nishikawa
LOVE HOUSE Yokohama, Japan
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Crystal brick house – housing, Tokyo
photograph : Makoto Yoshida
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Hanasaki House, Yokohama City
photo : Koshimizu Susumu
House in Otake, southwest Japan
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photograph : Toshiyuki Yano
House in Otake, Hiroshima
Comments / photos for the RoomRoom page welcome
Website: Visit Japan