shed dormer installation cost
Dormer installation costs. it typically costs between $2,500 to $20,000 for professional dormer installation, or about $115 per square foot. 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.. How much does a dormer cost? 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. thus, a typical size dormer of 240 sq.ft. (15x16) costs $30,000-34,000 without a bathroom, and $38,400 - 41,000 if you add a bathroom. however, the final price can vary based on the following factors: 1.. How much does a dormer loft conversion cost? the main types of loft conversion are velux, dormer, and mansard. velux conversions are the least expensive and typically cost in the region of