Capital Improvements: Records That Help When You Sell Your Home
How to evidence extensions, loft conversions, and major works for buyers and solicitors, and why building control sign-off matters.
Published: 18 Apr 2026 · Updated: 18 Apr 2026 · 8 min read
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Why buyers ask
Buyers worry about unauthorised works and future enforcement. Clear records speed conveyancing.
What to collect
- Planning permissions and lawful development certificates where used.
- Building regulations completion where required.
- Guarantees for structural or waterproofing work.
If paperwork is imperfect
Discuss indemnity and remediation routes with your solicitor rather than hiding uncertainty.
Property Passport UK
Store PDFs against the property record so you are not hunting through email during the busiest week of your sale.
What to check next
Use [Property Passport UK](/search) to open the property by address or postcode, then review official context alongside anything you save as Documents for your own workflow.
How Property Passport UK helps
Property Passport UK brings address-level context together in one place so you can prepare questions for your conveyancer and surveyor without treating a portal listing as proof. It does not replace HM Land Registry title, searches, or professional advice.
Disclaimer: General information only, not legal advice, not a survey, and not a substitute for regulated conveyancing or valuation.
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