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AD Works Acquires Office Building in Ichibancho, Chiyoda Ward

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AD Works Acquires Office Building in Ichibancho, Chiyoda Ward

AD Works Acquires Office Building in Ichibancho, Chiyoda Ward

AD Works acquired Ichibancho Building, an office building in Ichibancho, Chiyoda-ku, Tokyo, on June 30, 2026. The seller was an individual who had owned the building for approximately 11 years since acquiring it in July 2015.

The property is a two-minute walk from Hanzomon Station on the Tokyo Metro Hanzomon Line and a nine-minute walk from Kojimachi Station on the Tokyo Metro Yurakucho Line. Completed in 2009, the building has seven floors above ground and one below, with a typical floor plate of approximately 59 tsubo (approx. 2,100 sq. ft.).

The vacancy rate for office buildings with typical floor plates of 50 to 100 tsubo (approx. 1,800 to 3,600 sq. ft.) within a five-minute walk of Hanzomon Station peaked at 11.4% in March 2024 and has since declined to 5.4% as of September 2026. At the same point, the rate was 3.6% around Ichigaya Station and 3.4% around Kudanshita Station, meaning vacancies around Hanzomon Station remain higher than in surrounding areas (based on editorial research using estie office research).

AD Works acquires income-producing real estate, adds value and then sells the properties as fractional ownership products or as whole buildings. In Chiyoda Ward, it acquired ADW Jimbocho in Kanda-Jimbocho in January 2026 and has been seeking tenants for the building as a furnished set-up office since February.

Key Facts

  • Property Name: Ichibancho Building
  • Buyer: AD Works Co., Ltd.
  • Seller: Individual
  • Transaction Date: June 30, 2026
  • Transaction Type: Sale (fee simple ownership)
  • Location: 7-1 Ichibancho, Chiyoda-ku, Tokyo
  • Nearest Station(s): Two-minute walk from Hanzomon Station on the Tokyo Metro Hanzomon Line / Nine-minute walk from Kojimachi Station on the Tokyo Metro Yurakucho Line
  • Completion: July 2009
  • Number of Floors: 7F / B1 (reinforced concrete construction)
  • Use: Office / Retail
  • Area: Typical floor plate of approximately 59 tsubo (approx. 2,100 sq. ft.) / Gross Floor Area of approximately 413 tsubo (approx. 14,700 sq. ft.)

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