48′ Dome: Four or five bedroom with 2 1/2 bath size dome home for max square feet of 2,830 on two floors ( sqm) Or 2,992 . if cupola and loft installed. First floor can have two to three bedrooms with 1 1/2 baths. Second floor can have two to three bedrooms with bath depending on how much of the second floor is installed and what size bedroom you desire. (1,693 on the first floor and 1,137 . on the second floor). Code allows for square footage to be calculated to five feet of height. The 1,137 second floor square footage in the 48′ dome is the area that is below the 14’9″ center height to where the dome walls slope down to five feet tall. Around the second floor five foot perimeter areas the following items can be placed: headboard for bed, night tables, desks, or dressers. If a cupola is installed, a loft of 162 . can be built.