The home builders’ study reports a major return on value for extra bathrooms: “When the number of bathrooms is approximately equal to the number of bedrooms, an additional half-bath adds about 10 percent to the home’s value, and one additional bath adds about 19 percent.”
A mid-range bathroom remodel, which costs $10,500 on average nationwide, repays a homebuyer at least 100 percent of the outlay when the property is sold, the homebuyer study concludes.
http://www.floridarealtors.org/