Towns may have to be abandoned due to floods with millions more homes in Great Britain at risk

Every constituency projected to be at greater risk, with many areas likely to be uninsurable, Guardian investigation finds

• The flood-prone Worcestershire town being abandoned by insurers

• Doors, drains and paving perils: protecting your home from flooding

Millions more homes in England, Scotland and Wales face devastating floods, and some towns may have to be abandoned as climate breakdown makes many areas uninsurable, a Guardian investigation has found.

New analysis from the insurance industry, seen by the Guardian, reveals the extent of concern in the sector, with bosses warning that large swathes of housing and commercial property in densely populated areas will be at greater risk.