Type B3 : EN Detached Single-Storey with Mezzanine Floor TYPE B3 Detached Single-Storey with Mezzanine Floor Land Plot Area 45m x 108m (4,860m2) 45m x 113.75m (5,118.75m2) Main Building Size 25m x 72m (1,800m2) Lettable Area Ground floor …