Stay in a high place with a mechanism of escape. avoid electricity authorities. avoid walking or driving through flood water. call 999 immediately if you are in danger.
How to protect your home from flooding?
providing porous paving surfaces on driveways and pathways
replacing the base two steps on your staircase with concrete
creating an easy pass store for flood barriers and blocks
fitting stainless steel, plastic or solid wood kitchens or establishing free-standing kitchen units that can be moved
installing a sump/ pump to remove water and including non-return valves to all gutters and water inlet pipes, which only let water course one way.