Permitted development rights for larger house extensions in England
Permitted development rights for larger house extensions in England

The following Planning guidance note provides comprehensive and up to date legal information covering:

  • Permitted development rights for larger house extensions in England
  • Permitted development in England
  • What residential extensions are permitted development?
  • Meaning of ‘enlarged part of the dwellinghouse’
  • General conditions regulating larger house extensions
  • Additional conditions relating to larger house extensions—prior notification
  • Neighbourhood consultation for larger house extensions
  • Objections to larger house extensions—prior approval
  • No objections—no prior approval
  • Building the extension
  • more

Permitted development in England

The Town and Country Planning (General Permitted Development) Order 2015, SI 2015/596 (the GPDO) provides a number of permitted development rights (PD rights) in England to develop within the curtilage of a dwellinghouse. Where these apply, there is no need to apply to the local planning authority (LPA) for permission to carry out the work. See Practice Note: Permitted development in England for information on permitted development rights in England more generally.

The Planning Portal provides interactive guidance for householders on when the residential PD rights apply.

What residential extensions are permitted development?

The enlargement, improvement or other alteration of a dwellinghouse is permitted development under GPDO, SI 2015/596, Sch 2 Pt 1, Class A, subject to exceptions, limitations and conditions.

‘Dwellinghouse’ is defined in GPDO, SI 2015/596, art 2 as not including a building containing one or more flats, or a flat contained within such a building; as such, the residential PD rights in GPDO, SI 2015/596, Sch 2 Pt 1 apply to houses as opposed to flats only.

Exceptions are listed in GPDO, SI 2015/596, Sch 2 Pt 1, Class A, para A.1. They provide that the enlargement, improvement or other alteration of a dwellinghouse is not permitted development if:

  1. para A.1(a): permission to use the dwellinghouse as a dwellinghouse is only granted by