
Extensions - Planning Permission
An extension or addition to your house is considered to be permitted development, not requiring an application for planning permission, subject to the following limits and conditions:
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No more than half the area of land around the "original house"* would be covered by additions or other buildings.
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No extension forward of the principal elevation or side elevation fronting a highway.
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No extension to be higher than the highest part of the roof.
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Single-storey rear extension must not extend beyond the rear wall of the original house* by more than three metres if an attached house or by four metres if a detached house.In addition, outside Article 1(5) designated land* and Sites of Special Scientific Interest the limit is increased to 6m if an attached house and 8m if a detached house until 30 May 2016.These increased limits (between 3m and 6m and between 4m and 8m respectively) are subject to theneighbour consultation scheme.
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Maximum height of a single-storey rear extension of four metres.
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Extensions of more than one storey must not extend beyond the rear wall of the original house* by more than three metres.
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Maximum eaves height of an extension within two metres of the boundary of three metres.
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Maximum eaves and ridge height of extension no higher than existing house.
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Side extensions to be single storey with maximum height of four metres and width no more than half that of the original house.
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Two-storey extensions no closer than seven metres to rear boundary.
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Roof pitch of extensions higher than one storey to match existing house.
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Materials to be similar in appearance to the existing house.
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No verandas, balconies or raised platforms.
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Upper-floor, side-facing windows to be obscure-glazed; any opening to be 1.7m above the floor.
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On designated land* no permitted development for rear extensions of more than one storey.
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On designated land no cladding of the exterior& no side extensions.
For further information call us in the office on: 01282 451428
