Government sites

• ABBE - ABBE
• Planning Portal - the Government Planning Portal information on Building Regulations, including Part L2A.
• CLG - the Government Department for Communities and Local Government. Formerly the Office of the Deputy Prime Minister. Contains information on Building Regulations, including Part L.
• Home Information Packs - the Government website that details the implementation of the HIP, including the Energy Performance Certificate.

Other sites

• UKGBC- the UK Green Building Coucil.
• Bindt - the British Institute of Non Desructive Testing.
• EST - the Energy Saving Trust. efficiency and the adoption of renewable energy sources.
• Eurovent - Air-conditioning and refrigeration products certification programs
• SEDBUK - the boiler efficiency database.
• The Carbon Trust - an independent company founded by the government to help move the UK to a low-carbon economy.
• E-on - a variety of electricity and gas services for residential properties and businesses.
• ACE - Association for the Conservation of Energy
• The Environmental Change Institute - undertakes research on environmental issues.
• The Renewable Energy Centre - Links and information relating to renewable energy technologies and contractors.