Property InformationOtemachi First Square

The twin towers of this landmark of Otemachi. Directly connected via underground passage to Otemachi Station on each line, delivering outstanding transport links. This building is distinguished by its ample spaces and features an atrium entrance and sunken garden.

Access

  • Directly connected to Otemachi Sta. on the Tozai Line, Marunouchi Line, Chiyoda Line, and Hanzomon Line; the Toei Mita Line
  • 5 min. on foot from Tokyo Sta. on the JR lines

Features and facilities

  • Directly connected to station
    Directly connected to station
  • Directly connected to underground shopping area
    Directly connected to underground shopping area
  • Restaurants
    Restaurants
  • Retail stores
    Retail stores
  • Convenience store
    Convenience store
  • Parking lot
    Parking lot
  • Clinics
    Clinics
  • Security gate
    Security gate
  • Large rental conference rooms
    Large rental conference rooms

Property overview

Location 1-5-1, Otemachi, Chiyoda-ku, Tokyo
Nearest station Directly connected to Otemachi Sta. on the Tozai Line, Marunouchi Line, Chiyoda Line, and Hanzomon Line; the Toei Mita Line
5 min. on foot from Tokyo Sta. on the JR lines
Completion Feb. 1992
  • *West Tower
Site area 11,042.50 m² (3,340.36 tsubo)
  • *Including portions owned by co-owners
Gross floor area 141,228.06 m² (42,721.49 tsubo)
  • *Including portions owned by co-owners
Scale 23 floors above ground, 5 floors below ground
Structure Steel-frame structure (partly steel-frame ferroconcrete structure)
Uses Offices, stores, and parking lot
Design and supervision NTT Urban Development Corporation, NTT FACILITIES, INC.
Construction Joint venture consisting of TAKENAKA CORPORATION, OBAYASHI CORPORATION, TAISEI CORPORATION, Kyoritsu Construction Co., Ltd., KAJIMA CORPORATION, TOBISHIMA CORPORATION, AOKI Construction company, and The Zenitaka Corporation
Certifications and awards CASBEE S rank
1999 Illuminating Engineering Society of North America Illumination Design Award
2018 Good Design Award
Parking lot 183 cars (monthly and hourly rental)

Overview of rental rooms and facilities

Standard rental room area Approx. 1,600 m² (approx. 484 tsubo)
Power receiving system 66 kV special high-voltage loop power receiving
Ceiling height 2,700 mm
Raised floor 100 mm
Floor load 300 kg/m² (heavy duty zone: 600 kg/m²)
Outlet power supply capacity 60 VA/m²

Refer here for enquiries relating to properties.

Tel. 81-3‐3506-74472Reception: 9:00-17:00, weekdays

Contact Us