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物件名  3way House
所在地 東京都足立区
主要用途 一戸建ての住宅
発注者 個人
用途地域 準工業地域、防火地域
構造 木造
階数 地上2階
最高高さ 7.699メートル
最高軒高 5.655メートル
前面道路 南側4.00メートル 東側6.00メートル
敷地面積 63.47平方メートル
建築面積 44.41平方メートル
延床面積 90.71平方メートル
設計期間 2009年2月1日〜2010年4月30日
工事期間 2010年5月1日〜2010年9月25日
担当 中佐昭夫
構造設計 草間徳朗/草間構造設計室
設備設計 -
掲載 『上質な住宅をつくるための既製品活用ガイド』 2015/8月出版 エクスナレッジ
『建築知識』 2013/3月号 エクスナレッジ
  『dwell』 2011/OCT&NOV号 New Media Investments (Asia) Pte Ltd
写真 矢野紀行







Name of the Project : 3way House
Location : Adachi ward, Tokyo
Category : detached house
Zoning use district : -
Structure : Wood construction
Number of stories : 2 stories above ground
Maximum height : 7.699 m
Maximum eave height : 5.655 m
Frontal road : 4.00m on the south , 6.00m on the east
Site area : 63.47m2
Building area : 44.41m2
Total floor area : 90.71m2
Design time : February 1, 2009 - April 30, 2010
Construction time : May 1, 2010 - September 25, 2010
Architect : Akio NAKASA(Principal Architect)
Photo : Toshiyuki YANO

A house which has three means of vertical transportation; climbing wall, ladders and stairs. The house is located in a residential area where old and new buildings stand intermingled and buildings are rebuilt to be taller than 7 meters high, as the vicinity has become "district where minimum limit of the building height is 7 meters above ground."

The client is a family of a couple and two children, and they wanted a traditional wooden house from the start. The structure of the building is a traditional two-storey wooden house with deck roof whose rooftop is surrounded by two-meter parapet to satisfy the regulation of minimum height of the district. The rooftop is like a room without ceiling surrounded by two-meter wall.

We've given three means of vertical transportation to this building of three layers; first floor, second floor and rooftop. The climbing wall leads from porch to the rooftop via courtyard; ladders go up from living room through an opening to hobby room; stairs start from kitchen to sun room where laundry is hung. These vertical paths of flow are also passages of sunlight and air, which contribute to creating a sunny and airy indoor environment. Up on the rooftop, roofs of neighbours can be seen stretching far. As the renovation of the vicinity goes on, the view from the rooftop will change with growing number of rooftops.

When we are on the ground, it is hard to realize the relations with neighbours up on the rooftop. We aimed to create versatile living space which allows more opportunities to socialize with neighbours while multiplying family pleasure by closely connecting the ground and rooftop with three means of transporation.

- Akio Nakasa -