I live in a long, thin house which I am about to make even longer by the addition of a new rear extension (blue on the attached). My Vaillant combination boiler is situated upstairs very close to the front of the house immediately adjacent to the main bathroom. I am having a small toilet/shower room installed at the very back of the new single-storey extension - about as far away from the boiler as could be. I won't use the new shower much but clearly want it to be functional. Would I be better off fitting an electric shower (say an Aqualisa Quartz 10.5) or would a "normal" shower be ok, accepting that it would take a little while for the hot water to arrive at the shower head? Water pressure in the house is pretty good. Advice gratefully received thank you.