Last Uploaded: April, 2011

Shinmarunouchi Building

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Project Outline

Central hub of Marunouchi: The Shin-Marunouchi Building ("Shin-Maru Bldg." ) was designed to create a central activity hub in the Marunouchi area by incorporating diverse functions to vitalize the activities and interaction of people and businesses and to leverage synergistic inter-access with existing neighboring buildings such as the Marunouchi Building and Marunouchi OAZO, as well as Tokyo Station and several subway stations, while offering sophisticated functionality as an international business center.

New cityscape in front of Tokyo Station: With a vision that takes into consideration the rich history, culture and tradition of the area as a distinct business district, the plan included the creation of a cityscape in front of Tokyo Station befitting an international business center for a new era. Incorporating a global perspective in the urban cityscape design with the participation of U.K. architect Sir Michael Hopkins as the concept designer, the building was designed to offer a dynamic yet tranquil, unique architectural expression.

Urban environmental initiatives: In order to realize a building that is in true harmony with the environment, a variety of environmental measures were taken at each stage from planning to maintenance and management, including further refinement of proven energy methods and technologies successfully implemented in existing buildings and extensive recycling of waste materials from demolished buildings. In addition, extensive greening measures around the building, including the walls and the rooftop, were applied to reduce the urban heat island effect.

Basic Information

[CASBEE rank] S  (5 stars)
[CASBEE tool used] CASBEE for New Construction (2008 brief version)
[Location] Marunouchi, Chiyoda-ku, Tokyo
[Completion date] 2007/4/1
[Site area] 10,021m2
[Total floor area] 195,401m2
[Structure] Steel structure/partly steel reinforced concrete
[Floors] 38 floors aboveground /4 basement floors
[Designer] Mitsubishi Jisho Sekkei Inc.
[Contractor] Takenaka Corporation

Information for visitors

Not open to the public




  • AIJ Selected Architectural Designs (Architectural Institute of Japan, 2009)
  • JIA Excellent Architecture Selection (The Japan Institute of Architects, 2009)
  • 50th BCS Award (Building Contractors Society, 2009)
  • 3rd Sustainable Design Award, Minister of Land, Infrastructure and Transportation Award (IBEC, 2010)
  • Good Design Award in Architecture Design category in Architecture/Environmental Design Section (Japan Industrial Design Promotion Organization, 2007)
  • 41st SDA Award (Japan Industrial Design Promotion Organization, 2007)
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These cases are described based on assessment results obtained using CASBEE.
CASBEE is a method for rating the environmental performance of buildings using Building Environmental Efficiency (BEE) as an indicator, which is based on the results of separate scores obtained for Q-1~Q-3 (Quality) and LR-1~LR-3 (Load Reduction).