Tajimi House
Kohei Koishi

Architecture Between Openness and Privacy

TAJIMI HOUSE is a two-story residence of reinforced concrete bearing-wall construction in Tajimi, Gifu Prefecture, Japan.

A large retaining wall stands close to the western boundary, while a neighboring residence is located to the north. Although the neighbor's garden along the northern boundary provides a sense of openness, the most expansive views extend toward the distant landscape to the south and east.

The design seeks to bring the surrounding landscape and distant mountain views into everyday life while maintaining privacy.

photo_credit Kohei Koishi
Kohei Koishi
photo_credit Kohei Koishi
Kohei Koishi
photo_credit Kohei Koishi
Kohei Koishi

 

To achieve this balance, the ground floor presents a quiet, enclosed facade toward the road, finished with natural timber. In contrast, the upper floor opens primarily toward the south and east through carefully positioned windows and Japanese cedar louvers.

The louvers share the same configuration on both facades, with boards set flat alternating with boards set on edge, their inner faces aligned. The projecting boards control oblique views from outside and create depth and rhythm through light and shadow.

photo_credit Kohei Koishi
Kohei Koishi
photo_credit Kohei Koishi
Kohei Koishi
photo_credit Kohei Koishi
Kohei Koishi

The composition of exposed concrete and warm timber creates a distinctive architectural expression. The solidity of concrete contrasts with the natural texture of wood, bringing both strength and warmth to the building.

Inside, the living and dining spaces are arranged to create a sense of continuity, with natural materials contributing to a calm and comfortable atmosphere. Carefully positioned openings bring daylight into the interior while framing views of the surrounding landscape. 

photo_credit Kohei Koishi
Kohei Koishi
photo_credit Kohei Koishi
Kohei Koishi
photo_credit Kohei Koishi
Kohei Koishi

A small courtyard introduces nature into the entrance area, offering a quiet transition between the outside world and the private interior.

Throughout the house, the relationship between openness and enclosure is carefully considered. Architecture, materials, light, and landscape work together to create a home that balances privacy, comfort, and connection to its surroundings.

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