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Domestic building services compliance guide (2013 edition) (For use in Wales only)

NBS, 2013
Domestic building services compliance guide (2013 edition) (For use in Wales only)

Document Status

Partially replaced or revised by new document


Core Supplement


For the installation of fixed building services in new and existing domestic buildings and covers new and replacement systems. Providing guidance for conventional space heating, hot water, mechanical ventilation, comfort cooling and interior lighting, low carbon generation of heat through heat pumps, solar thermal panels and micro-combined heat and power systems.


This document has been adopted by the Welsh Government for use in Wales. Supersedes: Domestic building services compliance guide (includes amendment slip issued October 2010) (DCLG, 2010). Copyright notice: Reproduced under the terms of the Open Government Licence. This version was made available by the DCLG on 15/11/2013. Came into effect 6 April 2014. Any reference to the Building Regulations in this guide is to the Building Regulations 2010 in England (as amended). These regulations also apply to the following building work in Wales: (a) work on an excepted energy building as defined in the Schedule to the Welsh Ministers (transfer of functions) (No. 2) order 2009. (SI 2009/3019); and (b) work that is subject to provisions of the regulations relating to energy efficiency specified in regulation 34 of the regulations and is carried out to educational buildings, buildings of statutory undertakers and Crown buildings, or carried out by Crown authorities. Work started before the comes into effect date remains subject to the earlier edition of the guidance. Work subject to a building notice, full plans application or initial notice submitted before this date will also remain subject to the earlier edition of the guidance, provided it is started before 6 April 2015. For other jurisdictions in the UK, it will be necessary to consult their own building regulations and guidance. In England: See also: Domestic building services compliance guide (2013 edition) (only applicable in England). 2018 amendments coming into force 6 April 2018 (NBS, 2017).




Publisher History

NBS are committed to offering distinctive, innovative specification and information solutions to construction industry professionals and are proud to be leading the construction industry in its digital evolution. Their roots lie in the UK's National Building Specification and for nearly 50 years has been helping the construction industry build better and with lower risk. Their future lies in cloud-based technologies and connected data, as they fast become the information marketplace for the global construction industry.



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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IHS Markit is a leading global source of critical information and insight for customers in a broad range of industries. Our customer product and service solutions span four major areas of information: energy, product lifecycle management, environmental and security. By focusing on our customers first, we deliver data and expertise that enable innovative and successful decision-making. Customers range from governments and multinational companies to smaller companies and technical professionals in more than 180 countries. IHS has been in business since 1959 and employs more than 3,500 people in 35 locations around the world.

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