Sorry my mistake. I saw something that stated that this was being enforced as an exception to the rule. Checking now, I agree and I’m pleased because I have one!Have I missed something? Where does it state that wood CU's are 'illegal'?
BS7671 states "Existing installations that have been installed in accordance with earlier editions of the Regulations may not comply with this edition in every respect. This does not necessarily mean that they are unsafe for continued use or require upgrading."