Current
Core Supplement
Sets out the national approved calculation methodologies (NCM) for calculating the energy performance of buildings in England, and for certain buildings in Wales, for the purposes of regulations 25 and 29 of the Building regulations 2010 (SI 2010/2214). Gives the notice of approval, notes on the approved methodologies, software packages and interfaces and looks at calculating the energy performance of new dwellings and new buildings other than dwellings and the approval of commercial software calculation tools.
Does not apply to national calculation methodologies in Northern Ireland and Scotland, nor in respect of most buildings in Wales, which are subject to separate regulatory requirements. An earlier version of this: Notice of approval of the methodology of calculation of the energy performance of buildings in England and Wales, DCLG 2008, continues to apply to building work started on site before 6 April 2014, or where a notification of building work has been given before 6 April 2014 and the building work is commenced on site before 6 April 2015.
Now known as the Ministry of Housing, Communities and Local Government. The Department for Communities and Local Government is a UK Government department that works to create thriving, sustainable, vibrant communities that improve everyone's quality of life. This includes housing, improving public services, regeneration, sustainability and the prevention of anti-social behaviour. They were formerly known as the Office of the Deputy Prime Minister.
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