Mitsui & Co. Urban Development Starts Construction on Rental Apartment Property in Tokyo’s Koenji Area
Mitsui & Co. Urban Development has started construction on a new rental apartment property, tentatively named Suginami-ku Koenji-minami 3-chome Rental Residence Plan, in Koenji-minami 3-chome, Suginami Ward, Tokyo. Completion is scheduled for February 2027.
The property is located a four-minute walk from Koenji Station on the JR Chuo Line. The site is in a Category I low-rise residential zone, with low-rise residential neighborhoods extending through the surrounding area. The property will have three floors above ground and consist of 36 units, with layouts ranging from 1K to 2LDK and exclusive-use areas from approximately 25 square meters (approx. 269 sq. ft.) to approximately 46 square meters (approx. 495 sq. ft.).
Average asking rents for rental apartments within a 10-minute walk of Koenji Station rose approximately 19%, from about JPY 12,700 per tsubo at the end of April 2023 to JPY 15,200 per tsubo at the end of April 2026, according to a survey by the editorial team based on estie Residential Research. Multiple shopping streets are concentrated around the station, and the property is expected to target rental demand from singles to DINKs, supported by day-to-day convenience and rail access to central Tokyo.
Key Facts
- Property Name: Suginami-ku Koenji-minami 3-chome Rental Residence Plan (tentative)
- Developer: Mitsui & Co. Urban Development Ltd.
- Location: 43-18 and 43-19 Koenji-minami 3-chome, Suginami Ward, Tokyo
- Nearest Stations: Four-minute walk from Koenji Station on the JR Chuo Line; 10-minute walk from Shin-koenji Station on the Tokyo Metro Marunouchi Line
- Completion: February 2027 (scheduled)
- Number of Floors: 3F (reinforced concrete construction)
- Area: Site area of approximately 232 tsubo (approx. 8,300 sq. ft.); Gross Floor Area of approximately 444 tsubo (approx. 15,800 sq. ft.)
- Total Units: 36
- Exclusive-Use Area: 25.28 square meters (approx. 272 sq. ft.) to 45.74 square meters (approx. 492 sq. ft.)
- Unit Mix: 1K, 1DK, 1LDK and 2LDK