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Sanitation, hot water safety and water efficiency (2015 edition with 2016 amendments) (For use in England)

Building Regulations 2010: Approved Documents G

NBS, 2016
Sanitation, hot water safety and water efficiency (2015 edition with 2016 amendments) (For use in England)

Document Status



Core Supplement


Building Regulations 2010: Approved Documents


Presents practical guidance for complying with requirements for sanitation, hot water safety and water efficiency. Covers cold water supply, water efficiency, hot water supply and systems, sanitary conveniences and washing facilities, bathrooms, and food preparation areas. Includes a water efficiency calculator for new dwellings.


Published by NBS, part of RIBA Enterprises Ltd on behalf of HM Government (DCLG). The 2015 edition originally came into force on 01/10/2015. It has since had 2016 amendments incorporated which apply from 01/03/2016. Change made by the 2016 amendments: Section G2, requires the water efficiency calculator to be completed for new dwellings where a shower will not be provided.




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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