"The carpet area space in your house is known as the net useable area and can be utilized for laying the carpet, It includes Bedrooms, Living rooms, kitchens, Bathrooms, And all internal walls of the carpet area. The Build-up area space in your house includes other unusable areas like Balcony, Utility, Lobby, etc. Super Build-up area space includes all Setbacks, Staircases, Lift, And Air Ducts"