The shower in my (1930 built) house is fed direct from the bath taps.
The hot water cyliner is in the airing cupboard.

The hot water pressure is very low, not just in the bathroom but in the
kitchen as well.

This makes the shower difficult to use as mixing even a small quantity
of cold water with the hot makes the shower go cold.

Should I fit a pump somewhere to boost the flow of hot water from the
cylinder? If so, where?