Shinjuku Chuou Kouen Building

The green, heat-absorbing glass used on the facade is designed to harmonize the building with the surrounding environment.

The glass screen in the entrance hall reflects the marble grain

To adapt to what is known as the "2003 problem," that is the severe tenant issues, the aims of this project were to realize an office building strong against earthquakes by using a base isolation system, with IT functions, a high level of design and high market competitiveness. The offices were designed to have a 10-centimeter OA floor, a 2.8-meter ceiling height and length of 17 meters. To make the most of the beautiful view of Shinjuku Chuo Park and the superhigh-rise building cluster in front, the tempered glass of the front facade of the building was supported from the ceiling by a cantilever point-support system to give the offices a wide, open appearance. The green, heat-absorbing glass raises the level of the interior environment while harmonizing with the rich green town.
The entrance hall has a two-level ceiling height, and the walls use two types of marble which give an accent to the space. The aim was to create a new expression, with the marble grain reflecting in the glass that has been inserted into the flat stone walls and in the front glass screen, giving a seamless continuation and a three-dimensional effect. The eye-catching shape of the exterior accentuating the shape of the site, and the expression of the rosewood that is used in the public areas of the standard floors give the building the feeling of a hotel-type interior, different from other office buildings.
With numerous irregular-shaped parts due to the strict inner-city building regulations, PCa and open joints were used on the exterior enabling the work to be done in a short period while maintaining high quality standards.



Client Sumitomo Realty & Development Co., Ltd.
Location 33-4, 4-chome, Nishi-Shinjuku, Shinjuku-ku, Tokyo
Design/Construction Takenaka Corporation
Structure Steel
Number of floors 8 fl. above and 1 fl. below ground
Total floor space 15,972m2


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