Oak Konan Shinagawa Office

Architecture Design Award Winner.
Awarded for Good Architecture, Building and Structure Design.

Oak Konan Shinagawa Office
by Kazuhiro Yasufuku

Awarded April 15, 2023
CLIENT: Obayashi-Shinseiwa Real Estate Corporation
17.004

Oak Konan Shinagawa is a 12-story office building located near the harbor in Tokyo, Japan. The white lattice-like exterior frame is an outer shell made of precast concrete that serves as both structural frame and sun-shading device. Combined with the steel construction of the core, this hybrid structure creates a column-free office space that allows flexible layouts. The precast columns and beams are produced off-site and lowered into place from above, which simplifies work on site. The exterior windows include natural ventilation units that open with a detachable handle.

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