• Department of Communities and Local Government - DCLG (formerly Office of the Deputy Prime Minister) - this is the Government department that deals with the Building Regulations and Building Control.

             http://www.communities.gov.uk/planningandbuilding/buildingregulations/

• The Planning Portal - this site contains a lot of information and guidance about building regulations.

             http://www.planningportal.gov.uk/

The building regulation guidance is divided between the general public http://www.planningportal.gov.uk/england/genpub/en/1115313928610.html 

and  professional user http://www.planningportal.gov.uk/england/professionals/en/4000000000001.html.

• LABC Services - links to other Local Authority Building Control sections in England and Wales as well as news and guidance on Building Control issues: http://www.labc.uk.com/

• British Geological Survey - advice on radon protection measures in new and extended buildings: http://www.bgs.ac.uk/

• The Health Protection Agency - guidance on radon: http://www.hpa.org.uk/radiation/

• The Fire Protection Association - guidance on a wide range of fire safety issues: http://www.thefpa.co.uk

• The Building Research Establishment: http://www.askbre.co.uk

• The Stationery Office - details of many Government publications including the Statutory Instruments containing the Building Regulations: http://www.the-stationery-office.co.uk

• British Board of Agrément (BBA): http://www.bbacerts.co.uk

• The Centre for Accessible Environments - advice and guidance on disabled issues: http://www.cae.org.uk