There are several good reasons for a roof dormer: Dormers add architectural interest, accent, and detail: Having one or more dormers as part of a roof’s structure can boost the curb appeal of a home that might otherwise be a bit bland. … Dormers have an average return on investment or recouped value of 65-70 percent.

What is the benefit of a dormer?

Source of light – Having dormer windows installed can help bring natural light into a space. This can help improve the overall environment of the area. Ventilation – Additional windows mean additional airflow – aerating a space can also help make the area more livable.

Do dormers always leak?

Dormer Leaks Usually Aren’t With The Window Quite often any leaks are within the dormer construction itself. Dormers are built to sit on top of the roof, and in the case of real dormers, there’s a space cut out in the roof where they’ll slot in to provide the extra space.