There are some building works that householders can carry out that do not require a Building Warrant and Completion Certificate.

There are limits on the size of the building and requirements regarding the position of the building relative to the boundary and the house.

Detached garages and huts that meet the following do not need Building Warrants and Completion Certificates.

Height: Single storey
Size: Must not exceed 30 sq. m.
Position: The building must be a prescribed distance away from the house and/or the boundary
Heating: Only electrical heating appliances may be installed

For more information see the series of Building Control leaflets, Advice on Alterations and Improvements to Your Home, Extensions, Conservatories & Garden Buildings, or contact Building Control.

Detached car ports and covered ways that meet the following conditions do not need a Building Warrant and Completion Certificate.

Height: Single storey

For more information see the series of Building Control leaflets, Advice on Alterations and Improvements to Your Home, Extensions, Conservatories & Garden Buildings, or contact Building Control.

Attached conservatories, porches, greenhouses, car ports and covered areas that meet the following conditions do not need a Building Warrant and Completion Certificate.

Height: Single storey
Size: Porches or conservatories must not exceed 8sq.m., all other types of building must not exceed 30sq.m.
Heating: Only electric heating appliances can be installed
Position: Conservatories and porches should be not less than 1m. from the boundary

For more information see the series of Building Control leaflets, Advice on Alterations and Improvements to Your Home, Extensions, Conservatories & Garden Buildings, or contact Building Control.

See also:

• Work which may not require a Building Warrant
• Unauthorised Building Work