How updates are published
Editorial corrections, consisting of minor changes to publications, will be made quarterly.
Urgent technical changes that need to be made will be published as and when required.
Use our handy timeline to check that you're up-to-date and using the latest version of the IET Wiring Regulations - BS 7671:2018+A2:2022.
Copyright of updates
No further electronic copying is permitted without written permission; however, you are permitted to create a web link to this page, from which other people can then select and download documents. You are not permitted to create a direct link to a document.
Amendment 3 (2024) to BS 7671:2018 IET Wiring Regulations (the brown book)
From Wednesday, 31 July, Amendment 3 (2024), the free-to-download PDF ‘bolt-on’ to the brown book, will publish and you’ll need both the brown book and the free PDF to be up to date.
The brown book, Amendment 2 (2022) and the PDF ‘bolt-on’ will be valid until at least 2026.
Keep checking this page for updates, the link to download the free PDF will be available here from 31 July 2024.
Have you got your brown book yet?
Use our handy timeline to check that you’re up to date and using the latest version.
Watch the DPC announcement
An update from Mark Coles
Corrigendum (May 2023) to BS 7671:2018+A2:2022
IET and BSI announce the Corrigendum (May 2023) to BS 7671:2018+A2:2022:
IET and BSI publish Corrigendum to BS 7671:2018 (IET Wiring Regulations).
The Corrigendum (May 2023) to BS 7671:2018+A2:2022 is available to download below.