04/09/17

Do I require planning permission to extend or convert my loft?

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House Renovations In Buckinghamshire by Arcline Architect

Your Permitted Development Rights enable you as a homeowner to convert
and extend your loft, although what is permitted is subject to the following limits and conditions:

A volume allowance of 40 cubic metres additional roof space for terraced houses

A volume allowance of 50 cubic metres additional roof space for detached and semi-detached houses

No extension beyond the plane of the existing roof slope of the principal elevation that fronts the highway

No extension to be higher than the highest part of the roof

Materials to be similar in appearance to the existing house

No verandas, balconies or raised platforms

Side-facing windows to be obscure-glazed; any opening to be 1.7m above the floor

Roof extensions are to be set back at least 20cm from the original eaves

The roof enlargement cannot overhang the outer face of the wall of the original house.