Announced details
Tenant building (office and retail)
Approximately 45 types of plantings were installed. The Company explains that the special soil “Aqua Soil” efficiently retains rainwater and contributes to mitigating the heat-island effect. Measurement data for the effects: not disclosed.
For the property developed in-house by the Company, SUPPOSE DESIGN OFFICE provided design oversight, 株式会社杉浦建築設計事務所 handled design and construction supervision, 株式会社岩本組 handled construction, and special soil supplied by 株式会社イケガミ was used. Capital and personnel relationships: not disclosed.
SUPPOSE DESIGN OFFICE Based in Hiroshima and Tokyo, the company works on projects including residential properties, commercial facilities and public spaces. / 株式会社杉浦建築設計事務所 The company undertakes the planning, design and construction supervision of apartment buildings, office buildings, commercial buildings and hotels, among other projects. / 株式会社イケガミ Listed as the provider of the special soil “Aqua Soil.” / 株式会社岩本組 The construction company and contractor for this property.
2-16-5 Tamagawa, Setagaya-ku, Tokyo
In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.
| Item | Details |
|---|---|
| Names of Products / Services Covered | THE GRANDUO FUTAKOTAMAGAWA SEED (ザ・グランデュオ フタコタマガワ シード) |
| Counterparty | SUPPOSE DESIGN OFFICE, 株式会社イケガミ, 株式会社杉浦建築設計事務所, 株式会社岩本組 |
| Counterparty overview | SUPPOSE DESIGN OFFICE Based in Hiroshima and Tokyo, the company works on projects including residential properties, commercial facilities and public spaces. / 株式会社杉浦建築設計事務所 The company undertakes the planning, design and construction supervision of apartment buildings, office buildings, commercial buildings and hotels, among other projects. / 株式会社イケガミ Listed as the provider of the special soil “Aqua Soil.” / 株式会社岩本組 The construction company and contractor for this property. |
| Relationship with the Company | For the property developed in-house by the Company, SUPPOSE DESIGN OFFICE provided design oversight, 株式会社杉浦建築設計事務所 handled design and construction supervision, 株式会社岩本組 handled construction, and special soil supplied by 株式会社イケガミ was used. Capital and personnel relationships: not disclosed. |
| Launch date | 25 June 2026 (completion; actual result) |
| Applicable area | Tenant building (office and retail) |
| Location | 2-16-5 Tamagawa, Setagaya-ku, Tokyo |
| Location scale | Site area: 224.44㎡; total floor area: 546.46㎡; reinforced-concrete structure, 4 floors above ground and 1 basement floor; 4 units (1 office unit and 3 retail units) |
| Quantitative Effects | Approximately 45 types of plantings were installed. The Company explains that the special soil “Aqua Soil” efficiently retains rainwater and contributes to mitigating the heat-island effect. Measurement data for the effects: not disclosed. |
Items this document does not state (9)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.The property was developed under the theme of “Returning nature to cities through architecture” to contribute value to urban areas and provide investment properties with strong asset value. Approximately 45 types of plantings and the special soil “Aqua Soil” were used to foster a connection with nature and help mitigate the heat-island effect.