In the mornings, before you jump in the shower, do you brace because you know it’s going to be a chilly dribble? Or do you bound into the bathroom eager to jump into the flow of hot water? If it’s the ...

Q My wife would love to have a power shower fitted, but when we had an ordinary boiler with a cold-water tank in the loft and a hot water cylinder, we were told that the head of water was not high ...