High-performance thermal insulation Main residence only SB: ≈ 138 m² Terrace area (1/3): ≈ 32 m² Garden area (1/10): ≈ 40 m² Gross sales area (according
High-performance thermal insulation Main residence only SB: ≈ 138 m² Terrace area (1/3): ≈ 32 m² Garden area (1/10): ≈ 40 m² Gross sales are…