Escalier Gobancho in Tokyo, Japan by ETHNOS

Article source: ETHNOS

This is a project of a building for rental office spaces and commercial spaces, facing the moat of the Imperial Palace and located close to Ichigaya station.

The south side of the site is on a street and the north side of the site faces the moat. To take advantage of this location, we laid out the elevator core aside from the main access from north to south.

Image Courtesy © Keishin Horikoshi(SS.inc)

• Architects: ETHNOS
• Project: Escalier Gobancho
• Location: Tokyo, Japan
• Photography: Keishin Horikoshi(SS.inc), Hata Taku
• Client: REAL PARTNERS Co.,Ltd.
• Gross Built Area (square meters or square foot): 638.84m2
• Completion Year: 2019

Image Courtesy © Keishin Horikoshi(SS.inc)

By commanding the sky factor, the volume of each level is offset from back to front, so that the pedestrians recognize each rental space as an individual component. Then the gap between each volume turns a balcony with greenery as a space that intermediates each office and the entire city.

Our proposal is to connect the balcony by the stairs with the ground level to encourage communication between the upper and lower levels, thus a relationship and connection will be generated to the entire city.

Image Courtesy © Hata Taku

Image Courtesy © Keishin Horikoshi(SS.inc)

Common areas, such as installation shafts, corridors, staircases, balconies are part of the exterior constituted to allow maximal rental spaces, and realize a 100% rentable ratio to bring up profitability.

The façade of the building is made of a sash-less, insulated glazing, fire preventing steel curtain wall to mimic as a section of a volume looking like a simple box.

Image Courtesy © Keishin Horikoshi(SS.inc)

Image Courtesy © Keishin Horikoshi(SS.inc)

In an insulated glazing system, where a steel panel strip is inserted and the glass at the interior side of the window is wired, meets the regulation of fire prevention. The windows can be more than 3 meters high.

The name of the project is “ESCALIER” meaning staircase in French, that reflects the wish of the client to have an office building become an hatchery, in which startups and venture companies step up and grow. Inspired by the wish, this building is designed to honor the historical development of the cityscape and to let it pass on to future generations.

Image Courtesy © Keishin Horikoshi(SS.inc)

Image Courtesy © Keishin Horikoshi(SS.inc)

Image Courtesy © Keishin Horikoshi(SS.inc)

Image Courtesy © Keishin Horikoshi(SS.inc)

Image Courtesy © Keishin Horikoshi(SS.inc)

Image Courtesy © Keishin Horikoshi(SS.inc)

Image Courtesy © Keishin Horikoshi(SS.inc)

Image Courtesy © Keishin Horikoshi(SS.inc)

Image Courtesy © ETHNOS

Image Courtesy © ETHNOS

Image Courtesy © ETHNOS

Image Courtesy © ETHNOS

Image Courtesy © ETHNOS

Tags: Japan, Tokyo

Categories: Building, Offices

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