Today, the Institution of Engineering and Technology (IET, formerly The IEE) has launched The IET Wiring Regulations, 17th Edition, BS 7671:2008 incorporating Amendment No.1, 2011. The amended IET ...
The IET Wiring Regulations - Stay compliant with BS 7671. Access updates, model forms, technical support, and digital subscriptions from the IET.
The IET Wiring Regulations is currently in its 18th Edition. BS 7671:2018+A4:2026, will be published in April 2026 and will come into effect on 15 April 2026. From this date, all new and amended electrical installations are to conform to the requirements of BS 7671:2018+A4:2026.
BS 7671 (the IET Wiring Regulations) is the national standard for electrical installations in the UK. To remain compliant, you must ensure you are using the current edition and any applicable amendments. This page explains what you need to do to ensure you’re up to date.
Start of main content BS 7671 - 18th Edition Wiring Regulations Ensure you are up to date with BS 7671 Thank you form submission - BS 7671:2018 Amendment 3:2024
An installation which was designed to an earlier version of BS 7671 or the IEE Wiring Regulations and which does not fully comply with the current version is not necessarily unsafe for continued use, or require upgrading.
Note by the Health and Safety Executive its updating with the first amendment, published in 2020. BS 7671 and the IET/IEE Wiring Regulations have be n extensively referred to in HSE guidance over the years. Installations which conform to the standards laid down in BS 7671:2018+A1:2020 are regarded by HSE as likely to achieve conformity with the r