The following Planning guidance note provides comprehensive and up to date legal information covering:
A number of permitted development rights (PD rights) exist to develop within the curtilage of a dwellinghouse. See Practice Notes: Permitted development in England and Permitted development in Wales. This means there is no need to apply to the local planning authority (LPA) for permission to carry out the work. In certain cases, however, it is necessary to obtain prior approval from the LPA before carrying out the permitted development.
The Planning Portal provides interactive guidance for householders on when planning permission is needed.
Between 30 May 2013 and 30 May 2019 temporary permitted developments apply in relation to certain house extensions in England, subject to prior approval. Until 30 May 2019, for a dwellinghouse not on article 2(3) land (ie land within a National Park, the Broads, an area of outstanding natural beauty, an area designated as a conservation area and land within World Heritage Sites) nor on a site of special scientific interest, a single storey extension can be built if the enlarged part of the dwellinghouse would not:
extend beyond the rear wall of the original dwellinghouse by more than eight metres in the case of a detached dwellinghouse, or six metres in the case of any other dwellinghouse, or
exceed four metres in height
On 13 October 2015, the government announced that these permitted development rights
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