9×9m Square Detached House — Refer to SANAA

This is a two-story detached house with a square floor plan of 9,000 mm on each side. It references the vocabulary seen in the residential works of Ryue Nishizawa and SANAA (Moriyama House, House A, Garden & House)—extremely thin structures, a single white tone, openings where the distinction between walls and windows disappears, and floor plans that juxtapose rooms without hierarchy. The users are a family of four who require three bedrooms and one shared living room. The site is an urban residential plot of approximately 180 m², planned with a building area of 81 m² (building coverage ratio 45%) and a gross floor area of 162 m² (floor area ratio 90%). Since the square exterior already determines the form, the focus of the design is on how to divide the rooms into cells and where to leave empty within the 81 m² per floor, and how to allow light and views to pass through the spaces.
Against a person
Why these numbers
- 180m2site_area
The site area is set at approximately 180m², subject to user confirmation. Precise boundary measurements and site configuration must be verified after site confirmation. The building exterior dimensions are 9,000×9,000mm.
- 3실bedroom_count
For a family of four, three bedrooms and one shared living room are provided, with each bedroom having a net floor area of 9m² or more.
- 9m2bedroom_min_area
For a family of four, three bedrooms and one shared living room are provided, with each bedroom having a net floor area of 9m² or more.
- 30m2living_room_area
The first floor accommodates shared spaces including living room, kitchen, and dining area, while the second floor is dedicated to private areas centered on three bedrooms, creating a clear functional separation between floors.
- 2개소bathroom_count
At least two bathrooms are provided with at least one on each floor, and utility piping is vertically aligned and consolidated in a single location.
- 2800mmstory_height
Major living spaces and bedrooms each face external conditions on at least one side, with natural lighting secured for daytime use without artificial lighting.







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