Collection Building regulations: approved documents Guidance to help you follow the law on building regulations. Part of: Building regulations guidance First published: 27 August 2015 Last updated: 20 December 2022 Approved documents Part A: structural safety 3 April 2017 Guidance Part B: fire safety 29 December 2021 Guidance Part C: resistance to contaminants and moisture 3 April 2017 Guidance Part D: toxic substances 3 April 2017 Guidance Part E: resistance to the passage of sound 13 April 2022 Guidance Part F: ventilation 20 October 2022 Guidance Part G: sanitation, hot water safety and water efficiency) 5 November 2018 Guidance Part H: drainage and waste disposal 3 April 2017 Guidance Part J: heat producing appliances 5 April 2017 Guidance Part K: protection from falling, collision and impact 4 April 2017 Guidance Part L: conservation of fuel and power 8 March 2023 Guidance Part M: access to and use of buildings 3 April 2017 Guidance Part N: glazing safety 5 April 2017 Guidance Part O: overheating 20 October 2022 Guidance Part P: electrical safety 3 April 2017 Guidance Part Q: security 10 May 2018 Guidance Part R: physical infrastructure for high-speed electronic communications networks 7 April 2016 Guidance Workmanship and materials 22 December 2020 Guidance Amendments to the approved documents A, B (Volume 2) and C 19 July 2017 Guidance Amendments to approved documents September 2013 3 April 2017 Guidance Amendments to the approved documents B (Volume 1,2) and 7 29 January 2020 Guidance Amendments to approved document M (access to and use of buildings) 2004 edition incorporating 2010 amendments 20 December 2022 Guidance