Avoice Regulations

Wales Approved Document M

Amendments to Approved Document M (access to and use of buildings) 2004 edition incorporating 2010 amendments (WGC 008/2022): easy read

Library captured 10 September 2026 · Source updated 29 August 2026

Letter about changes to building regulations December 2022

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Where the letter says we, this means the Welsh Government. We are making changes to a part of Building Regulations called Approved Document M (access to and use of buildings) 2004 edition including 2010 changes. The changes to Approved Document M will start on 3 January 2023. The aim of this letter is to tell you about the changes. And how we will manage the change.

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The guidance in this circular applies to buildings and building work in Wales.

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Approved Documents give guidance to builders and designers about how to follow Building Regulations. These are the rules to make sure people are healthy and safe in and around buildings.

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You will have to follow these rules when building and designing new buildings. Or when you are making changes to an existing building.

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You will not have to follow the new rules:

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▪ If you have already given a building notice or an initial notice to your local authority. ▪ Or you have already given full plans to your local authority and: – the building work started before 3 January 2023 – or will start by 3 March 2023.

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Further information

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You can fnd out more information about what is happening on our website:

https://gov.wales/building-regulations

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Or contact Welsh Government:

Address: Building Regulations

Welsh Government

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Rhydycar

Merthyr Tydfl

CF48 1UZ

E-mail: enquiries.brconstruction@gov.wales

Phone: 03000 628232

This letter was written by Neil Hemington, Head of Planning, Chief Planner.

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