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Work that does not need Building Regulations approval

Some building projects are exempt from the requirements to make a Building Regulations application.

If you are in doubt you should contact our Building Control team before you start the work.

You should also remember that, even if you do not need Building Regulations you may still need planning permission.

Exceptions include:

  • Detached garages: Providing it contains no sleeping accommodation and has a floor area not exceeding 30m2. It must also be at least one metre from any boundary or else be substantially built from non-combustible materials.
  • Porch: Providing it does not exceed 30m2 in floor area, it is used for no purpose other than a porch and it is separated from the house by a door. Certain glazed panels need to be laminated or toughened safety glass – check with us if in doubt.
  • Carport: If it is open on at least two sides and has a floor area not exceeding 30m2 - a door does not count as an open side.
  • Covered way or yard: If it is attached to a house and has a floor area not exceeding 30m2.
  • Detached building - shed etc: If it contains no sleeping accommodation and has a floor area not exceeding 15m2.
  • Conservatory: If it meets all of the following criteria:
    • It must be constructed mostly of transparent or translucent materials -  typically at least 75 percent of the roof and 50 percent of the walls.
    • It must be attached to the house at ground storey and have a floor area not exceeding 30m2.
    • Any opening between the conservatory and the house must be fitted with external quality doors.
    • Glazed panels need to be safety glass where people are likely to come in contact with them.
    • The heating system in the house must not be extended into the conservatory.
  • Electrical installation work: If the work is carried out and certified by a Part P Registered competent electrician.

For more information contact our Building Control team.