 The Affordable Warmth Objective (HHCRO) provides help for low income and vulnerable households to improve the energy efficiency of their properties and reduce heating bills.A large number of properties that had the insulation installed by successive UK government-backed schemes were installed incorrectly or were unsuitable for the property.Incorrectly installed cavity wall insulation (CWI) causes water to seep into a properties walls, causing structural problems and damp patches that may also manifest into mould.