Do I need planning permission to insert dormer windows or rooflights in the roof of my house?

Planning permission is required for ALL types of dormer windows proposed to any part of the roof of a house. Planning permission is required for rooflights or skylights proposed on any roof slope of a dwelling that faces onto a public street. Planning permission is not required for rooflights or skylights proposed on the rear roof slope of a dwelling or on roof slopes that do not face onto a public street provided that they lie flush with the existing roof slope. In this case, it should be noted that the number and size of rooflights or skylights proposed should not dominate the roofslope – it is recommended that they do not cover more than 20% of the roof slope on which they are located.

Click here for more information on planning permission.

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