We arrange A rated 10 Year Structural Warranty and Latent Defects Insurance Based on Build Costs 10 Year Structural Defect Insurance is a specialist insurance product providing cover for various new and completed property builds that are less than 10 years old. This essential form of cover is required by mortgage lenders before they release funds to property purchasers. Structural Defect Insurance protects the purchaser for a period of 10 years* against structural defects in the build. Possible defects that may arise include subsidence, shrinkage, water ingress or structural instability. Structural Defect Insurance is also known as Structural Latent Defect Insurance and covers projects including New Build, Self Build, Conversions and Social Housing Projects. It covers the structural envelope of the property (the foundations, walls, roofing, floors etc.) and non-load-bearing elements. The policyholder is responsible for the fixtures and fittings.