Unique Loft Conversions
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Unique Loft Conversions.co.uk
Loft Conversion Planning
Planning permission is not normally required. However,
permission is required where you extend or alter the roof space and it
exceeds specified limits and conditions.
Under new regulations that came into effect from 1 October 2008 a loft
conversion for your house is considered to be permitted development,
not requiring an application for planning permission, 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 not to be permitted development in designated areas**
Roof extensions, apart from hip to gable ones, to be set back, as far
as practicable, at least 20cm from the eaves
Bear in mind that any previous roof space additions must be included
within the volume allowances listed above. Although you may not have
created additional space a previous owner may have done so.
Designated areas include national parks and the Broads, Areas of
Outstanding Natural Beauty, conservation areas and World Heritage Sites.
Please note: the permitted development allowances described here apply
to houses not flats, maisonettes or other buildings.
For more information vist our feasibility page
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