" Firstly I would advise you to avoid this 'electrician' like the
plague as he's obviously trying to make money out of you - the
'whole days job' tale is just ridiculous.

It does sound a bit generous -- from a diy perspective, I'd have
thought that 3 hours or so would do for lifting the upstairs
floorboards;

My number one hated job. Have you tried lifting a "floorboard" in a new
house?

--
Adam