Uncle Marvo writes

The most common cause of fires in the UK was bad wiring,

When was that?

When I was an electrician.

Are you sure you want to admit to that? ;-)

I'm not sure if
that's still true.

See the fire statistics:
http://tinyurl.co.uk/bcfw

That's a government document, and as such will say what they want you to
think :-)

It's produced by the Government Statistical Service who go to
considerable lengths to be objective and impartial.
--
Kay