Kolaboro / Off-plan projects we track
Compare off-plan projects side by side
Two or three projects on the same facts: developer, location, handover date on record, permit number, prices as published, transparency score and when we last checked.
| Compare | Grand Green Osaka THE SOUTH RESIDENCE × | One City Osaka × |
|---|---|---|
| Developer | Nine-company consortium led by Mitsubishi Estate Residence and Sekisui House | Sumitomo Realty & Development |
| Location | Umekita (Grand Green Osaka), Kita, Osaka, Osaka, Japan | Fushimimachi, Chuo, Osaka, Osaka, Japan |
| Stage | Off-plan | Under construction |
| Handover on record | Q3 2028 | Q3 2027 |
| Permit number | Not published | Not published |
| Prices as published | JPY 198,000,000 – 2,500,000,000 | JPY 60,000,000 – 580,000,000 |
| Transparency score | 21 of 100 | 31 of 100 |
| Rank for transparency | Not published | Not published |
| Last checked | 12 Nov 2026 | 12 Nov 2026 |
| Facts and sources | Open | Open |
Facts as published by each developer and the registers we read, each with its source on the project page. No verdicts: a higher transparency score means more is published and checkable, not that a project is better. Transparency score