Exempt Buildings

Exempt Buildings Quick Checklist:

Class 1

Buildings controlled under other legislation

E.g. buildings subject to the Explosives Acts 1875 and 1923.

Class 2

Buildings not frequented by people

E.g. a building used to house plant or machinery, such as an electricity sub-station.

Class 3

Greenhouses and agricultural buildings

Buildings whose main use is a greenhouse (including an agricultural building or a building used for the non-retail keeping of animals) provided it is situated away from living accommodation, and has a fire exit.

Class 4

Temporary Buildings

Buildings erected for less than 28 days.

Class 5

Ancillary Buildings

To obtain a certificate to prove that the work you have undertaken, or will be undertaking, is exempt from the Building Regulations fill in the application form here (please note a small fee is payable).

Exempt Building and Improvement Projects Detail:

Find more information on regulation requirements on the Planning Portal.

Exemptions from Building Regulations

Some works are exempt from the Building Regulations in full or from certain aspects (please note planning permission may still be required).

Technical Requirement Exemptions

These are judged by two approaches:

  1. Parts A to K and M to Q are judged against seven classes set out in Schedule 2 of the Building Regulations. (see table below)
  2. Part L is judged against criteria set out in Regulation 21 of the Building Regulations. (see overview below)

Classes 1 to 7

Class of work is exempt from need to comply with these parts

A-K, M, N and Q

L

P

Class 1 (Buildings controlled under other legislation) 

(link to legislation.gov.uk)

Exempt

Part L may apply

Exempt

Class 2 (Buildings not frequented by people)

Exempt

Part L may apply

Exempt

Class 3 (Greenhouses)

Exempt

Part L may apply

Not exempt

Class 3 (Agricultural buildings)

Exempt

Part L may apply

Exempt

Class 4 (Temporary buildings)

Exempt

Part L may apply

Exempt

Class 5 (Ancillary buildings)

Exempt

Part L may apply

Exempt

Class 6 (Small detached buildings)

Exempt

Part L may apply

Not exempt

Class 7 (Extensions)

Exempt

Exempt

Not exempt

This is a broad overview - if you are undertaking any work please contact the Building Regulations team for detailed advice and support.

Last Updated: 19 September 2018