I'm not sure that's true in the UK. The law changed a few years ago limiting the kind of changes you can make to your home wiring, and you have to have a certif

I'm not sure that's true in the UK. The law changed a few years ago limiting the kind of changes you can make to your home wiring, and you have to have a certificate for new circuit installations or significant modifications. I would not want to be the test case for finding out if this did invalidate your home insurance.