According to HomeAdvisor, adding a dormer window costs an average of $12,000, and can range from $2,500 to $30,000 per window, depending on the style, size, roof framing, roof type, and material ...

“Essentially, the contractor will construct the dormer frame at the same time they construct the primary roof structure,” he says. They’ll have to apply sheathing to both the outside dormer ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Located on ...