More Picture Of How Much Does It Cost To Roof A Shed HD Image Size. Adding a dormer bathroom significantly increases your total cost to 160 170 per sqft. Cost to Replace a Shed Roof The average garden shed is 10 by 12 which is 120 square feet and the cost for installation alone would be 430 or 360 per square foot.
It offers many benefits including water shedding and cost effectiveness but it also comes with cons including ceiling height issues and susceptibility to high wind. It typically costs between 2500 to 20000 for professional dormer installation or about 115 per square foot. But figure between 350 and 650 per square and 50-100 per sheet of decking being replaced.
Most homeowners across the US.
Cost on replacing a roof on a 10 x 10 shed with shingles. There are several options for dormers including shed flat gable and hip. But if youre dealing with a collapsed roof replacing it. Smaller projects like adding a window dormer cost about 4000.