Porous

On the northern side of Kyoto, the city abruptly ends where a mountain range begins. The urban edge is a patchwork of solid and void: private residences scattered among tiny rice fields, vegetable gardens, and vacant lots.

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orous / On the northern side of Kyoto, the city abruptly ends where a mountain range begins. The urban edge is a patchwork of solid and void: private residences scattered among tiny rice fields, vegetable gardens, and vacant lots. A small house for a young couple, Porous optimizes its restricted site by means of spatial connectivity across its four levels. Local regulations limit both the overall height and total floor area; maximizing the building envelope would have resulted in more floor area than is legally permitted. The solution was to make an array of large openings in the walls and floors, decreasing the total surface area, and reducing the divisions between individual rooms. This results in three-dimensional continuous spaces across adjacent levels. Externally, it is a metal-clad cubic volume with large notches carved from it. Internally, these notches overlap like an Eduardo Chillida sculpture. In certain places, the interior spaces swell beyond the building volume and engage the surrounding environment. Daylight enters from unexpected directions; there are no dark corners. The experiential consequence of these simple gestures is a psychological spaciousness far greater than the actual floor area should allow. Instead of small, isolated rooms, the spaces blend into one another as the entire house merges with its context.

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Daylight penetration 66

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Section, scale 1:200

Fourth-floor plan, scale 1:200

Third-floor plan, scale 1:200

Second-floor plan, scale 1:200

First-floor plan, scale 1:200

Section, scale 1:200

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Program / single-family house Location / Kitayama, Kyoto Structure / steel Total floor area / 1,435 square feet (133 square meters) Site area / 746 square feet (69 square meters) Design period / February 2002–June 2002 Construction period / July 2002–January 2003 Contractor / E.S.T. Corporation