Flat Roof Dormer Cost

Shed dormers range in price from around 5 500 for a 12 footer to 11 500 for a 30 foot dormer.

Flat roof dormer cost.

24 500 for dormer 16 wide x 14 deep. The family handyman magazine estimates it takes about 1 800 in materials for a do it yourselfer to build a dormer about 6 feet wide and 9 feet high with one window. Types of dormers costs. Removing roof material and cutting the roof deck.

Dormers come in three very different styles gable shed and hip. 15 00 20 00 finishing the interior. How much does a dormer addition cost. 3 25 4 50 framing the dormer.

It typically costs between 2 500 to 20 000 for professional dormer installation or about 115 per square foot. 19 00 32 00 siding and roofing materials installed. There are several options for dormers including shed flat gable and hip. Smaller projects like adding a window dormer cost about 4 000 larger remodels like adding a bathroom dormer run about 24 000.

Flat roof dormer cost. Thus a typical size dormer of 240 sq ft. 50 00 110 00 the higher cost per square foot to frame side and roof dormers compared to additions is due to their smaller size. On average putting in a shed dormer costs 125 140 per square foot adding a dormer bathroom significantly increases your total cost to 160 170 per sq ft.

Average costs and comments from costhelper s team of professional journalists and community of users. Gable dormers cost 3 000 to 11 500 depending on the size and complexity of it. Hip dormers can cost anywhere from 4 000 up to 15 000 depending on what it s being used for and the size of the dormer. The larger a dormer is the lower its cost per square foot will be.

15 16 costs 30 000 34 000 without a bathroom and 38 400 41 000 if you add a bathroom. Flat roofs have less roofing material but more siding so your cost will vary based on the price of the materials you choose. Average cost and size. In addition to basic carpentry tools the project requires a circular saw a reciprocating saw.