Roppongi T-Cube
A 27-floor office tower completed in 2003 at 3-1-1 Roppongi in Minato Ward. Located close to Roppongi-itchome Station with large floor plates exceeding 500 tsubo per floor, the building sits in the heart of Tokyo's international business district.

- Use
- Office tower
- Area
- Roppongi, Minato Ward
- Completed
- 2003
- Floors
- 27 above ground
A Tower in Roppongi’s Business Quarter
Roppongi T-Cube rises 27 floors at 3-1-1 Roppongi, Minato Ward, overlooking the Roppongi-nichome intersection where National Route 415 meets Roppongi-dori. The building completed in 2003 and is served by eight elevators. Each standard floor provides more than 500 tsubo — roughly 1,650 square metres — of open office space, a scale that suits tenants who need large, undivided floorplates.
Roppongi underwent a substantial transformation in the early 2000s. Roppongi Hills, the large mixed-use complex by Mori Building, opened the same year as T-Cube. Tokyo Midtown followed in 2007. What had been a neighbourhood primarily known for nightlife gradually accumulated a dense cluster of international businesses: law firms, consulting practices, financial institutions, and foreign-capital companies drawn by the high-specification offices, the proximity to embassies in nearby Minato Ward, and the direct transport connections.
T-Cube sits a short distance from Ark Mori Building (1986), one of the earlier towers that established Roppongi-itchome as an office address. Together these buildings mark the layered development of Roppongi over three decades, each generation adding capacity to a neighbourhood that positions itself as Tokyo’s most internationally oriented business district.
Summary
Roppongi T-Cube completed in 2003, 27 floors, at 3-1-1 Roppongi in Minato Ward. Large floor plates and a central Roppongi location make it typical of the generation of office towers that reshaped the neighbourhood alongside developments like Roppongi Hills Mori Tower and Ark Mori Building.
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References
- officee.jp 物件情報(港区六本木3-1-1・地上27階・竣工2003年・基準階面積500坪超) https://officee.jp/detail/30859/