Capital Improvements: Records That Help When You Sell Your Home — Property Passport UK guide
Selling a Property

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

Property Passport UK

See this information for your own home

Free address search across England and Wales. No account needed.

19.4 million searchable properties. EPC, flood risk, sold prices, planning, and more in one structured record per home.

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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