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    Shin-Marunouchi Tower


    Mixed-use landmark tower at one of Tokyo’s most important locations.

    Location:Tokyo, Japan
    Size:186,000 m²
    Client:Mitsubishi Jisho Sekkei Inc

    Rising 38 storeys, the Shin-Marunouchi Building is designed to create a new district centre opposite Tokyo Station Plaza, on the avenue leading to the Imperial Palace. Commissioned by Mitsubishi Estate, it is conceived as a gateway to the city.

    The structure consists of two separate towers on a single podium base with an underground connection to Tokyo Station Plaza. The six-storey podium houses shops and restaurants, with offices located in 4,000m2 floor plates in the towers above.

    The design respects strict planning guidelines for such an important site. The podium height was predetermined to echo the scale of the surrounding streetscape, and the edges of the building were softened to address the station square. The lower form steps down to frame the important vista between the station and the Imperial Palace. The structure is designed in steel for anti-earthquake robustness, and is clad in a bespoke system of anodised aluminium. The 198m high building was designed alongside architects Mitsubishi Jisho Sekkei.