Selected images and diagrams are reproduced from the materials supplied for this listing.
CI Mansion Shin-Koiwa Shinsui-Koen is a seven-storey reinforced concrete building at 1-25-8 Hon-Isshiki in Edogawa-ku, completed in February 1989 and built by Arai-gumi, with 50 residences. Management is fully outsourced with a commuting caretaker (managed by Itochu Urban Community). The building has a monitor auto-lock entrance, security cameras and delivery boxes. Pets and office use are not permitted. Internet services are available through NTT and KDDI. In addition to the management fee and repair reserve, an association fee of JPY 500 and a cable broadcast fee of JPY 1,000 are payable each month.
This residence is a corner 3LDK, 73.99 sq m on the seventh and top floor, with an 8.50 sq m balcony and a 0.64 sq m alcove. An interior renovation was completed on 2 October 2026, covering replacement of the kitchen, bathroom, washstand and toilet, the wet-area flooring and new flooring throughout, joinery, lighting and the water heater (with reheating), a shoe cupboard and new wall coverings with an accent wall, followed by house cleaning. The plan provides a living, dining and kitchen space of approximately 15.7 jo with a 2124-width open kitchen, Western-style rooms of approximately 5.1, 4.9 and 5.5 jo, a walk-in closet off the third room, a multi-purpose storage room and closets. The listed equipment includes a dishwasher, a water purifier and a 1218-size bathroom with an insulated tub, reheating and a drying unit.
| Layout | 3LDK + Walk-in Closet + Multi-purpose Storage (LDK approx. 15.7 jo, Western-style rooms of approx. 5.1, 4.9 and 5.5 jo) |
|---|---|
| Floor area (this residence) | 73.99 sq m |
| Balcony | 8.50 sq m, plus an alcove of 0.64 sq m |
| Floor | 7th Floor (top floor, corner residence) |
| Renovation | Interior renovation completed 2 October 2026 — kitchen, bathroom, washstand and toilet replaced, wet-area flooring, new flooring, joinery and lighting replaced, water heater (with reheating) replaced, shoe cupboard, wall coverings with an accent wall, and cleaning |
| Occupancy | Vacant |
| Handover | By consultation |
| Management fee | JPY 17,050 / month |
|---|---|
| Repair reserve fund (for long-term building repairs) | JPY 18,140 / month |
| Other Monthly Fees | Association fee JPY 500 / month; cable broadcast fee JPY 1,000 / month |
| Building height | 7 Storeys |
|---|---|
| Building Structure | Reinforced Concrete, slate roof |
| Year Built | February 1989 |
| Number of Units | 50 Units |
| Management | Fully outsourced, commuting caretaker |
| Parking | No space currently available (JPY 15,000 / month) |
| Pets | Not permitted |
| Address | 1-25-8 Hon-Isshiki, Edogawa-ku, Tokyo |
|---|---|
| Nearest Station | Shin-Koiwa Station (JR Sobu Line / Chuo-Sobu Line) |
| Access | Or approx. 8 min by bus to Tenjinbashi bus stop, then approx. 2 min on foot; buses from Tenjinbashi run to Shin-Koiwa and Kasai stations |
| Property Type | Residential Condominium |
| Tenure | Freehold Ownership |
| Zoning | Category 1 Residential Zone |
Areas are the figures from the listing material and remain subject to verification against the register. 1 jo is one tatami mat, about 1.62 sq m.
The building stands at 1-25-8 Hon-Isshiki in Edogawa-ku. Shin-Koiwa Station on the JR Sobu and Chuo-Sobu lines is approximately 15 minutes on foot, or approximately 8 minutes by bus to Tenjinbashi bus stop, which is approximately 2 minutes from the building. Buses from Tenjinbashi run to Shin-Koiwa and Kasai stations.
The listing material lists a Life supermarket (Hon-Isshiki) approximately 131 m away (2 minutes on foot), Tobu Store Shin-Koiwa approximately 333 m (5 minutes), Big-A Edogawa Matsumoto approximately 592 m (8 minutes), two Lawson convenience stores at approximately 102 m (2 minutes) and 363 m (5 minutes), and a Create SD drugstore approximately 361 m (5 minutes). The designated public schools are Hon-Isshiki Elementary School and Kami-Isshiki Junior High School, both run by Edogawa City.
Journey time to Tokyo, the nearest major Yamanote Line terminal, for the quickest route including any changes, weekday 8 am departure (morning rush); Yahoo! Japan Transit, searched October 2026. Walking to the station is not included.
The map indicates the location of the building. Walking times above are as stated in the listing material.
Open in Google MapsA home's price per sq m is on floor area and includes the building; the official land price is per sq m of land alone.
All figures are public statistics for the wider area, not an appraisal of this residence, and none of them guarantees future rent, value or performance.
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