How Much Does It Cost To Add A 20×20 Room?
How Much Does It Cost To Add A 20×20 Room? Most homeowners spend between $42,000 to $88,000 to add a 20×20 room addition, with an average cost of $65,000. Building a 20×20 room addition can give you the extra space you need in your house, and it’s a lot cheaper than buying a new home.