Cost To Build Out Second Story Attic

Flat roof dormer cost.

Cost to build out second story attic.

One of the biggest home addition projects is adding a second story. 80 125 per square foot or 17 900 to 28 000. The larger a dormer is the lower its cost per square foot will be. The average attic conversion cost has a wide range of 25 000 to 50 000.

Average cost and size. Flat roofs have less roofing material but more siding so your cost will vary based on the price of the materials you choose. Work with a builder or architect to make sure your home s structure and foundation can handle the additional weight. Building a second story addition with multiple rooms costs 100 000 to 350 000 depending on the size complexity and quality of materials.

In general it is less expensive to build up than out but that comes with a lot of caveats. According to homeadvisor the average cost for building additions is between 80 to 200 per square foot without regard to whether it is up or out. 20 50 30 00 per square foot cost of framing an upper level addition a staircase to reach it and the roof structure. The average cost to add a second story is 100 to 300 per square foot.

This means a smaller renovation budget is possible. If your attic is already code friendly not as much renovation will be needed. While this major addition can cost anywhere between 90 000 200 000 it does add significant square footage and resale value to your home. This will depend on your attic s space and your location.

If you want to convert the attic into a bedroom be sure that the window is at least 5 7 square feet. Building a bathroom transforms your attic into a fully functional room that you can use as a bedroom or office. While it is usually cheaper to build up than out that s just the actual construction expense. The cost is higher on the spectrum for a third story than a second floor and for additions with dormers very steep pitches and multiple peaks and valleys.

Cost to add a second story. Reusing materials will produce a cost lower on this spectrum. Plan a second story photo via mwconstruction. The price to finish an attic with a dormer is 4 600 to 16 400 depending on how you plan to use it.

The average cost to add a bathroom is 8 000 12 000 depending on the size of the space and the scope of work involved a budget bathroom addition can cost as little as 5 000 6 000.