Current
Core Supplement
Sets out the national approved calculation methodologies (NCM) for calculating the energy performance of certain buildings in Wales, in accordance with regulation 24, and for the purposes of regulations 25, 25C and 29 of the Building Regulations 2010 (SI 2010/2214). Covers: the notice of approval; notes on the approved methodologies; software packages and interfaces; calculating the energy performance of new dwellings, calculating the energy performance of new buildings other than dwellings; and approval of commercial software calculation tools.
Does not apply to national calculation methodologies in England, Northern Ireland and Scotland.
The Welsh Government is the devolved government for Wales. They publish a number of strategies, policies, consultation papers, circulars, leaflets and posters. Previously known as Welsh Assembly Government.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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