International Interface Co., Ltd.Broker Licence: Tokyo Governor (3) No. 96857
Selected images and diagrams are reproduced from the materials supplied for this listing.
Proud Tower Koiwa Front is a thirty-three-storey reinforced concrete tower with one basement level in Minami-Koiwa 6-chome, Edogawa Ward — 367 residences, completed in November 2025 and built by Shimizu Corporation. It stands three minutes on foot from Koiwa Station, on land zoned commercial.
This thirteenth floor residence is a corner 3LDK of 75.51 sq m on the wall-centre measurement, with western-style rooms of approximately 6.1, 5 and 5.2 mats and balconies on two sides totalling 15.78 sq m. The material records light from two sides in every room and a 24-hour ventilation system; the floor plan shows a living-dining room of approximately 13.3 mats and a kitchen of approximately 3.6 mats.
Listed equipment includes an automatic bath with heating and drying, a warm-water bidet toilet, a three-burner range, a dishwasher, a disposer, city gas, storage in every room, indoor drying, a double-lock door and card-key entry. The building is seismically isolated, has two or more lifts, a delivery box, security cameras and 24-hour security, a pet facility, a party room and a guest room. The residence is vacant and available immediately.
| Property Type | Residential Condominium |
|---|---|
| Address | 6-31 Minami-Koiwa, Edogawa-ku, Tokyo |
| Nearest Station | Koiwa Station (JR Chuo-Sobu Line) |
| Walking Distance | Approx. 3 min |
| Layout | 3LDK |
| Building Area | 75.51 sq m (wall-centre) |
| Balcony Area | 15.78 sq m |
| Floor | 13th Floor |
| Building Height | 33 Storeys with 1 Basement Level |
| Building Structure | Reinforced Concrete |
| Year Built | November 2025 |
| Number of Units | 367 Units |
| Tenure | Freehold Ownership |
| Management Fee | JPY 33,240 / month |
| Reserve Fund | JPY 15,560 / month |
| Management | Fully outsourced, day-shift caretaker |
| Occupancy | Vacant |
| Handover | Immediate |
Areas are the figures from the listing material and remain subject to verification against the register.
The building stands in Minami-Koiwa 6-chome in Edogawa Ward, on the south side of Koiwa Station. The listing material records Koiwa Station on the JR Chuo-Sobu Line at approximately three minutes on foot.
The Chuo-Sobu Line runs west through Kinshicho, Ryogoku, Akihabara and Ochanomizu to Shinjuku, and east into Chiba. Journey times vary with the service and any changes, so none are stated here.
Koiwa is an established shopping district, with shopping streets around the station; the Edogawa River embankment lies to the east. The zoning at this address is commercial.
The map indicates the location of the building. Walking times above are as stated in the listing material.
Open in Google MapsIn the At Home – Sumitomo Mitsui Trust Research Institute Mansion Rent Index for Q1 2026, the family-type index for Tokyo’s 23 wards — units of 60 to under 100 sq m, the band this 75.51 sq m residence falls into — rose approximately 12.3% year on year.
The Ministry of Land, Infrastructure, Transport and Tourism’s Real Estate Price Index puts condominium prices in Tokyo at 234.8 for December 2025 against a 2010 average of 100 — a rise of approximately 9.6% on the same month a year earlier. No ward-level official land price series is published for this Edogawa-ku location, so it is not cited here.
These figures describe Tokyo’s 23 wards (rent index) and Tokyo as a whole (price index), not this individual property in Edogawa-ku; no ward-level land price series is available for this location. None of them guarantees future rent, value or performance.
Sources:
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