Adding A Room Above A Detached Garage

The least expensive way to build the new room.

Adding a room above a detached garage.

Average cost of adding a bonus room above a garage for all the reasons mentioned above the cost of finishing a bonus room above your garage can vary. If it will support the room it actually is easier to add the new room to a detached garage because you have four exterior walls with which to work. Add some insulation to the walls along with a vapor barrier. According to salter spiral stair the approximate cost of finishing the bonus room over your garage is approximately 35 per square foot.

However like all remodeling projects adding a second story addition has a broad range of complexity and challenges. Building a 2nd story room addition over a detached garage in addition to construction of new garages our contractors can also provide other renovations such as this 2nd story room addition built over a detached garage or this garage with an upper level plus room for 2 rvs. Screw drywall sheets to the walls and fill in seams with mud and tape. Above the attached unheated garage.

If you have a second floor above the garage or aren t sure how the roof is framed contact an architect or engineer to calculate the header size. Given the house s small lot and strict local zoning laws brewster sketched an addition in the only spot it could go. Start by locating the center of your addition and marking the size of the opening on the bottom plate of the wall. A garage addition adds home value and extra space topping the couple s wish list was an extra bedroom and bath upstairs.

For most the space above a garage is usually an unfinished attic.