FAQs

If you are not sure whether you need to make a Building Control application ask your local Building Control Department. The Building Regulations exist so that all householders will have a safe and healthy home in which to live and a home which is energy efficient. If you have any concerns about a Building Regulation matter, Building Control will be only too pleased to advise. The following are some of the frequently asked questions:

Do I need to make a Building Control application for a roofspace conversion?

Yes. A roofspace is generally a structural alteration and can be one of the most complex alterations. You should seek advice from a competent professional before undertaking work on your roofspace.

Do I need to make a Building Control application to build an extension to my house?

Yes, although a porch at ground level, not exceeding 5m2 in area, which protects an external access door to a building is exempt, but the glazing must comply with Part V of the Regulations.

Do I need to make a Building Control application to install a WC under the stairs?

Yes.

Do I need to make a Building Control application to remove internal walls, remove the chimney breast or make internal structural alterations?

Yes, alterations of a structural nature require Building Control approval. Generally the installation of a beam or lintel is required. The advice of a Structural Engineer may be necessary. If in doubt, ask.

Do I need to make a Building Control application to convert an attached garage into a room?

Yes, consideration of damp proofing, ventilation, means of escape and fire detection are some of the things that will need to be considered. Professional advice should be sought.

Do I need to make a Building Control application for a conservatory?

No, providing it is an extension to a building, is at ground level, and has a floor area not exceeding 30m2. Conservatories must have at least 75% of the roof and 50% of the external wall made of translucent material. Glazing must conform to Building Regulations. A thermal break must remain between the dwelling and extension and no heating can be extended into or installed in the conservatory without an application being made.

Do I need to make a Building Control application to install replacement windows?

No, but the work of replacement shall in all aspects meet any relevant requirements of the Regulations. If in doubt seek Building Control advice.

Do I need to make a Building Control application to carry out repairs to my house?

No, providing the repairs are of a minor nature and you are replacing like with like. Consult your local Building Control Office for further information.

Do I need to make a Building Control application to insert cavity wall insulation into an existing wall?

Yes.

Do I need to make a Building Control application to install a heating appliance?

Yes, unless it is the replacement of an existing appliance where no structural alteration takes place.

Do I need to make a Building Control application to install a new roof window?

Yes.

Do I need to make a Building Control application to build a detached garage?

No, provided it does not exceed 30m2 in floor area and is either built substantially of non-combustible material or is not less than one metre from a dwelling or boundary of the site or a road.

Do I need to make a Building Control application to build an attached garage?

Yes, but a carport, open on at least two sides, or a covered way or similar structure at ground level is exempt, provided it does not exceed 30m2 in area.

Questions