Find out what types of buildings and which types of building works are exempt.
Work that does not need approval
Common works that do not need approval:
- minor repairs, maintenance work and replacing less than 25% of an element like for like
- additional power points or lighting points and switches (except around baths and showers)
- alterations to existing circuits (except around baths and showers)
- like for like replacements of baths, toilets, basins or sinks
- boundary or garden walls, fences and gates - find out more about walls and fences on the Planning Portal
Buildings that do not need approval
Common buildings that do not need approval:
- detached buildings, with floor areas that do not exceed 15m2 and contain no sleeping accommodation
- detached single storey buildings, including garages, that are:
- less than 30m2 floor area
- at least one metre from any boundary unless constructed of non-combustible materials
- an extension to a building at ground level consisting of:
- a porch of less than 30m2 floor area and separated from the house by an external type door
- a carport open on at least two sides that is less that 30m2 floor area
- a covered yard or way to the house less than 30m2 floor area
- a conservatory that is:
- of substantially clear/translucent material (You must use safety glass in critical locations)
- separated from the house by external quality door(s)
- less that 30m2 floor area
Visit the following websites to find out about more projects and if they need building regulations:
If you are still unsure
Find out more about the difference between Planning and Building Control.