young lad wrote:

If anybody knows of anything that may be worth trying on the boiler
I'd be very grateful - otherwise I'll be tempted to apply for that
"Wife Swap" tv program.

Some WD40?

If that doesn't work you could swap the timer, but it would probably be
cheaper to leave it set permanently on and to connect up a programmable
thermostat (30quid-ish from Screwfix).

That would mean some wiring though, so if you're moving out you might
not want to bother.

Ben.