Protection for Your House Extension, Before Work Begins

House extensions carry real financial exposure — larger contract values, staged payments, and months of ongoing work. Home Improvements Guarantee connects homeowners with vetted contractors who arrange insurance-backed guarantees on extension projects, covering the same categories as our loft conversion guarantees: deposit, work-in-progress, materials, and workmanship.

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A staged project needs staged protection. Ask your contractor for the deposit protection policy document before you pay anything, and confirm in writing what work-in-progress cover applies if the build stalls partway through.