Building control exemptions
Certain types of building works are exempt from Building Regulations, these include:
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Small detached single storey buildings, such as garages, sheds and greenhouses, which contain no sleeping accommodation and are:
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Not more than 30m².
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Built of substantially non-combustible materials if the building is less than 1m from the boundary (does not apply if the floor area is 15m² or less).
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A porch or conservatory if:
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It is built at ground level with a floor area of not more than 30m².
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The location should not adversely affect means of escape from upper windows.
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Conservatories have at least 75% of the roof glazed and at least 50% of the walls.
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Safety glazing is installed in critical locations.
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It is thermally separated from the existing dwelling.
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The heating system from the existing dwelling is not extended in the porch or conservatory.
- A car port open on at least two sides, the floor area of which does not exceed 30m².
You do not need Building Regulation approval to do the following:
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Install replacement drainage (unless the work involves new drainage or plumbing systems).
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Carry out minor repairs.
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Garden walls.