In some areas, there may also be policies which require improvements that cut energy and emissions beyond the statutory minimum standard. Examples of these are the Code for Sustainable Homes, Ecohomes and local ‘Merton Rule’-type policies.
Also, every time a dwelling is either purchased or rented by a new occupant, it is a legal requirement to provide that occupant with an energy performance certificate (EPC). This shows the energy efficiency of the dwelling’s heating/hot water system, fixed ventilation and lighting installations. It has been shown that high levels of energy efficiency are attractive to buyers and tenants.
The main way to demonstrate compliance with Building Regulations in England and Wales is to follow the guidance set out in the Approved Documents (ADs). These are issued by the Department of Communities and Local Government (CLG) and accompany the Building Regulations (as amended) 2000. Part L of the regulations covers energy efficiency. This guidance is split into four categories:
Note: The Energy Saving Trust does not cover non-domestic buildings.
In Scotland, a set of Technical Handbooks is published by the Scottish Building Standards Agency. These provide guidance on how to comply with the Building (Scotland) Regulations 2004. Technical Handbook 6 (2009) deals with energy efficiency.
In Northern Ireland, the Department of Finance and Personnel publishes technical guidance for complying with the Building Regulations (Northern Ireland) 2000. Technical Booklet F includes guidance on energy efficiency matters.