Buying a Property

What should buyers know about FENSA certificates?

Replacement glazing evidence, when certificates matter for conveyancing, and what to do if paperwork is missing.

Published: 20 Apr 2026 · Updated: 20 Apr 2026 · 8 min read

Property Passport UK

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Proof of competent installation

FENSA is one route that demonstrates certain window and door replacements meet expectations where applicable.

If paperwork is missing

Do not guess. Your solicitor advises on risk and options.

Physical checks

Surveyors can comment on installation quality where visible.

What to check next

Use [Property Passport UK](/search) to anchor the property. [Claim your Property Passport](/claim/start) when you own or manage the home. Browse the [guides library](/guides) and [what is a Property Passport](/what-is-a-property-passport) for product context. Role pages: [estate agents](/for-agents), [housebuilders](/for-housebuilders), [conveyancers](/for-conveyancers), [surveyors](/for-surveyors).

How Property Passport UK helps

Property Passport UK combines official context with permissioned Documents and Stakeholder sharing. It supports information organisation, checks, provenance, and transaction preparation. It does not replace HM Land Registry, regulated professionals, or official search products.

Frequently asked questions

Is this legal, survey, or mortgage advice?

No. General UK property information only.

Can I rely on user-uploaded documents alone?

No. Verify where decisions depend on them.

Disclaimer: Not legal advice, not surveying advice, not mortgage advice.

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