Overall ceiling height: 9'
Ceiling height in kitchen and family room: 11'
Ceiling height in media and dining room: 16'
Exterior walls are 10" ICF [Insulated Concrete Form]
BONUS ROOM: The Expandable room and the bath are the 15'x22' (381sf) listed as the BONUS area. Not finished or conditioned so not in the overall living square footage.
But included in the Total Covered square footage.