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.
After careful review of your adding a bedroom to a house project where you Hire a contractor, do None of the work yourself and use Average cost materials, we estimate the cost will be between $10,500 and $12,100.We also estimate the payback (the amount your home will appreciate by doing the remodel) will be $800.fter careful review of your adding a bedroom to a house project where you Hire a contractor, do None of the work yourself and use Average cost materials, we estimate the cost will be between $10,500 and $12,100.