Announced details
Real estate development, investment condominiums, and energy efficiency and environmental performance assessment of buildings
Primary energy consumption reduced by 30%. The ZEH-M Oriented standard requires a reduction of at least 20% in annual primary energy consumption.
ZEH-M Oriented certification, CASBEE building evaluation certification A rank, BELS assessment certification
Third-party assessment organization (BELS); CASBEE building evaluation certification body. The specific institution name is not disclosed.
3-8-15 Taishido, Setagaya-ku, Tokyo
In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.
The company’s own research based on data from Construction Data Bank Co., Ltd. (as of the end of September 2026; basis for the No. 1 ranking in the number of completed new-build reinforced-concrete condominium buildings in the three Jonan wards)
| Item | Details |
|---|---|
| Names of Products / Services Covered | GranDuo三軒茶屋12, BELS, ZEH-M Oriented, CASBEE building evaluation certification |
| Launch date | Scheduled completion date: 5 November 2026 |
| Applicable area | Real estate development, investment condominiums, and energy efficiency and environmental performance assessment of buildings |
| Award/certification name | ZEH-M Oriented certification, CASBEE building evaluation certification A rank, BELS assessment certification |
| Awarding / certifying body | Third-party assessment organization (BELS); CASBEE building evaluation certification body. The specific institution name is not disclosed. |
| Location | 3-8-15 Taishido, Setagaya-ku, Tokyo |
| Location scale | Site area: 613.72 m²; total floor area: 1,276.86 m²; reinforced-concrete structure, 4 floors above ground |
| Quantitative Effects | Primary energy consumption reduced by 30%. The ZEH-M Oriented standard requires a reduction of at least 20% in annual primary energy consumption. |
| Source | The company’s own research based on data from Construction Data Bank Co., Ltd. (as of the end of September 2026; basis for the No. 1 ranking in the number of completed new-build reinforced-concrete condominium buildings in the three Jonan wards) |
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 with a focus on reducing its environmental impact in line with the Sustainability Basic Policy. Its use of external insulation, high-efficiency equipment and renewable energy facilities, together with consideration given to landscaping and the surrounding townscape, was highly rated.