Text description provided by the architects. This narrow house for a couple and their little child is located in a densely built-up area of Osaka, Japan. The size of the site is only width 3.4m and depth 13m.
To make full use of it, the house is framed in exposed structural steel, coverd with thin fire - resistant adiabatic panels, and contains six floors with split levels.
Lv.1 (basement level) is a bedroom, Lv.2(ground level) is a garage, Lv.3 is for the little girl, Lv.4 is a living space, Lv.5 is a bathroom, and Lv.6 is a roof terrace.
The expanded metal stair connects each floors and spreads the sun light inside. In this house, they are living like birds swinging from branch to branch .