Last Uploaded: July, 2008

Roof and the wind

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 © Masaharu Uchiki
 © Masaharu Uchiki  © Masaharu Uchiki    

Project Outline

Kōyama in Nerima Ward is an area where efforts have been made to preserve scenery (particularly green hedges) since the beginning of housing land development there. Over the course of time, this district has been painted with a splendid green matrix. Moreover, the fertile soil in the area has ensured the survival of farmland, albeit in piecemeal fashion. If there is any noise at all in this tranquil urban housing land, it is caused by rollercoasters in the funfair a few hundred meters to the north, as well as the excited voices of the people riding on them. It should be added that this feature is limited to the summer season, when the homes are open to outside air. In other words, the biggest objective of this style of house construction lies in “passive design”, i.e. making houses open to prevailing winds and taking full advantage of sunlight as a heat source while maintaining efficient heat insulation.

Basic Information

[CASBEE rank] A  (4 stars)
[CASBEE tool used] CASBEE for Home (Detached House) FY2007 edition
[Location] Kōyama, Nerima-ku, Tokyo
[Completion date]

April, 2004

[Site area] 265 m2
[Total floor area] 133m2
[Structure] Timber framework construction
[Floors] 2 floors above ground
[Owner] Tsuyoshi Imai
[Designer] Kazuhiro Seno (Kazuhiro Seno + Design Atelier)
[Contractor] Sobi Co.

Information for visitors

Since this is a private residence, dates and times of tours may be arranged by contacting the designer.





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These cases are described based on assessment results obtained using CASBEE.
CASBEE is a method for rating the environmental performance of buildings using Building Environmental Efficiency (BEE) as an indicator, which is based on the results of separate scores obtained for Q-1~Q-3 (Quality) and LR-1~LR-3 (Load Reduction).