Glue down is more for us. The glue often costs .75/ft. If the subfloor is concrete, sealer (2 coats) adds another .50/ft. Then you add $3/ft. minimum for the install itself. Nail downs start at $3/ft. Wood floors are all we do and we are very conscious of doing our jobs to the best of our ability.
1 Home addition cost estimates of $80 to $130 per square foot for a basic family room addition is common. 2  If the home addition includes a bathroom and/or a kitchen, the room addition costs can easily escalate to $200-250 per square foot.
It depends. If you add something simple like a bedroom or family room the cost will be $100 to $150 per sq foot. If the add-on includes a bathroom, it will be much more.It also depends on your existing home.an Jose is certainly a more expensive place to add on-labor is a lot higher than many parts of the country. In addition to that the biggest cost driver is how will the room be finished/used.