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Toshima Ward Office

Kengo Kuma & Associates

Shared By

Sara Johnson


Project Status


Year Completed



1,019,147 sq. feet
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Project Description


The building is a new type of complex that accommodates Toshima City Office, an apartment house and a vertically-extended garden. We aimed at architecture like a single giant tree. Leaves are our “atoms” here to softly cover the building. We named them Eco Veil, which consists of solar power panel, recycled wooden louver and greening panel.

Like the concept of the entire building, the vertical garden “Toshima no Mori (Forest of Toshima)” is also an “open” facility to the public, and it revives the town’s vegetation to connect its people and nature, where even a little stream runs through. The forest also plays the role of an oasis at the center of the city, and a site for children’s nature study.
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