Dormer Windows Guide

What is the purpose of a dormer window?

A dormer window is a window that projects vertically from a sloped roof, rather than being set into the roof directly. It is commonly used to bring light into attics, generally upon finishing the attic as a living space.

Do dormer windows need planning permission?

If you want to enlarge your roof by building a dormer window, you will need planning permission if your proposal falls into any of these categories: your property is a flat or is within a tenement or a four-in-a-block. your house is within a conservation area.

What is the difference between a dormer and a gable window?

A gable window is a flat window on the flat end of the house.A dormer window is a protruding window coming out of the roof of the house. There aren’t many different types of gable windows, but there are a lot of dormer windows

How wide can a dormer window be?

Dormer windows were nearly always two lights wide, three-light windows only being found in stone gabled dormers. The width was usually no more than about 1100mm (3′ 6”) and the overall height about 1900mm (6′ 3”), with a roof pitch usually in excess of 45°

Do dormers add value to house?

The answer is yes. A dormer adds value to your house without any doubt and according to the latest research, a lot more people are adding extensions to their houses then before. It is estimated that almost 20% of house value is increased by adding a dormer. It is a lot of money if you want to sell your house.

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