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Which version of BS 7671 should I use?

I'm confused. Let's, for example, say I'm doing an upmarket domestic (complete with PV and EV) that's intended to be rented out and the work will be overseen by building control.


As I see it:
  • BS 7671 says I should use the latest version (subject to any transition periods when new versions are published) - so currently BS 7671:2018+A1:2020 (plus possibly a Corrigendum or so).

  • The ESQCR (as amended) demands that (because I have on-site generation operating in parallel with the mains) I comply with "British Standard Requirements" which it defines as BS 7671:2008 (17th Ed) (unamended).

  • AD P suggests that if I want a nice "deemed to comply" solution that BC will accept, I need to work to BS 7671:2008 incorporating Amendment No 1:2011.

  • As the property is going to be rented, the new "The Electrical Safety Standards in the Private Rented Sector (England) Regulations 2020" will have to be complied with, and that requires compliance with BS 7671:2018 (unamended).


So do I have to read four different versions of the Wiring Regs at once and try and come up with a design that simultaneously satisfies all four? (which I'm not sure would always be possible) and even if I did that which version should the certificate say it complies with?


  - Andy.
Parents
  • I can appreciate the logic of not having law controllable by third parties, but I don't see whey they can't make later editions optional - e.g. "the work must comply to BS7671 to the 18th edition or any newer edition".
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  • I can appreciate the logic of not having law controllable by third parties, but I don't see whey they can't make later editions optional - e.g. "the work must comply to BS7671 to the 18th edition or any newer edition".
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