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Unou House, Aichi

Wednesday 22 Aug 2012

Boundaries of air

All images courtesy of Katsutoshi Sasaki + Associates 
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Katsutoshi Sasaki + Associates construct triangular residential home that re-imagines notions of space with 'one room' 

Unou House, designed by Katsutoshi Sasaki + Associates, has been built in Toyota, Aichi, in Japan. Built on a site area of 466 sq m, the interior space is structured by two ‘frames’, one facing east vertically, and the other horizontally facing west. The space works to connect the two frames which opens horizontally and reduces in height gradually. The space is characterised by its open-plan design, creating a ‘one room’ interior effect.

Katsutoshi Sasaki said of this design idea: “We have made ‘one room’ which can connect family without each member seeing directly in to each room." They also integrated a ‘boundary of air’ approach which works to connect the beautiful view of the fields of view in the east-and-west to the residence, to gain depth and density.

Assisted by Tatsumi Terado Structural Studio and Toyonaka construction Ltd, this triangularly shaped building begins with a tall, narrow entrance and slopes down to a low and wide living space. Its strikingly black exterior ensures its unique presence alongside its less impressive neighbouring buildings. The front of the building creates height and space, which creeps lower at the rear, creating a small and intimate interior space at its base inside.

The windows and door frames are constructed from wood, creating firm boundaries between each section of the house, defining the space before the frames and the space behind them, whilst simultaneously connecting the sections to each other. The residence is finished with wooden boards and an oil paint finish, and was completed in July 2012.

Katsutoshi Sasaki + Associates are based in Japan and are best known for their residential projects, such as Oshikamo private residence, the unique ‘/ // /’ residence, and Ogaki House. Their focus is on designing and constructing family homes that enable members to co-exist in harmonious space whilst maintaining privacy and comfort.

Samantha Morley

Key Facts

Status Completed
Value Undisclosed(m€)
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Katsutoshi Sasaki + Associates

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