Do I need Planning Approval for a detached garage in England
Detached Garage Planning Permission - England
Do I need Planning permission or Building Control approvals?
To help you understand these issues we detail below some of the "conditions" attached to planning permission and Building Regulations. (These apply to England only) Wales Scotland, Northern Ireland and Ireland regulations are quite different - You should in all instances take local advice.
Do I need permission for a Detached Garage?
Rules governing outbuildings apply to sheds, greenhouses and garages as well as other ancillary garden buildings such as swimming pools, ponds, sauna cabins, kennels, enclosures (including tennis courts) and many other kinds of structure for a purpose incidental to the enjoyment of the dwelling house.
Under the regulations The Town and Country Planning (General Permitted Development) (England) Order 2015 that came into effect on 15th April 2015 outbuildings are considered to be permitted development under Class E, not needing planning permission, subject to the following limits and conditions:
In the case of any land within the curtilage of the dwellinghouse which is within—
development is not permitted by Class E if the total area of ground covered by buildings, enclosures, pools and containers situated more than 20 metres from any wall of the dwellinghouse would exceed 10 square metres.
In the case of any land within the curtilage of the dwellinghouse which is article 2(3) land (area listed above), development is not permitted by Class E if any part of the building, enclosure, pool or container would be situated on land between a wall forming a side elevation of the dwellinghouse and the boundary of the curtilage of the dwellinghouse.
If the work you are carrying out involves making a new access, or the alteration of an existing access to a trunk or classified road, you will need planning permission, not only for the access but also for the development.
BUILDING REGULATIONS - England
Domestic single storey detached garage up to 30 sq meters are exempted under The Building Regulations 2010, the rules are listed below.
A detached single storey building, having a floor area which does not exceed 30m2, which contains no sleeping accommodation and is a building—
All garages built of brick or block walls and have a tiled roof are considered to be substantially of non-combustible material. Flat roof garages can also be substantially of non-combustible material when the roof is covered with 12.5mm limestone chippings.