Survey finding
PRC prefab concrete house: should you buy?
PRC houses are designated defective by statute. This page sets out the certification framework, lender appetite, and the buyer's realistic options.
Last updated: 6 May 2026. Editorially reviewed: 20 May 2026.
Finding
Prefab concrete construction
What this usually means
Prefabricated reinforced concrete (PRC) houses were built post-war using factory-made concrete panels. Many were designated defective under the 1985 Housing Defects Act due to corroding reinforcement causing structural weakness. Airey, Cornish, Wates, Unity, Reema and others are the named types.
Why it matters
Most mainstream lenders refuse PRC unless a PRC repair certificate (issued by an approved licensee) is in place. Even with the certificate, lender appetite varies.
Ask your surveyor
- Check:Has the property been PRC-certified, and have you seen the documentation?
- Check:What is the visible condition of the panels and reinforcement?
Ask the seller
- Check:Do you have the original PRC repair certificate and the licensee details?
- Check:What works were carried out and when?
Next steps
- •Get two written quotes from local trades before negotiating with the seller.
- •Speak to your mortgage broker before exchanging if the finding affects mortgageability.
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What you need to know
Severity
Serious. Lender and insurer involvement likely; structural or specialist remediation.
Typical cost to fix
PRC repair certification with full structural rebuild £30,000-£70,000+ depending on type and size. The works are extensive and rarely cost-effective vs replacement for owner-occupiers.
Mortgage impact
Without a PRC certificate, mainstream lending is essentially closed. With certificate, some lenders will lend; rates and LTV may be less favourable.
Insurance impact
Specialist insurer placement, higher premiums, sometimes higher excesses.
When to pull out
Walk away if no PRC certificate exists and no commitment to obtain one. Even with a certificate, only proceed if your lender confirms appetite in writing.
When to renegotiate, and by how much
PRC properties already trade at material discounts to standard stock; further reduction depends on lender position.
Thinking of pulling out or renegotiating? What to do after a bad survey
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Flood, subsidence, EPC, crime, schools, transport, broadband, tenure, age, listed status and price checks where data is available.
Run a free previewHow MyPropertyScan produces this guide, and what it is not
Published by MyPropertyScan and written by Ziad Nasr, who is accountable for its accuracy. No page here is written or reviewed by a chartered surveyor, conveyancer or regulated adviser, and we do not claim otherwise.
This page is not:
- Chartered surveying — we do not inspect properties or produce RICS Home Survey reports
- Legal advice — we do not act as conveyancers or advise on title, tenure or contracts
- Mortgage or insurance advice — we are not regulated by the FCA and give no recommendations
Figures and process steps come from the published UK datasets and standards listed on this page, not from professional practice. Pages are updated when source coverage, survey cost assumptions, or lender and legal requirements materially change. Dataset limitations are set out on the methodology page.
Spotted something out of date or wrong? Email hello@mypropertyscan.com and we will correct it and change the update date.
Sources used
We use UK public and specialist sources where they are available. Public datasets can be incomplete, delayed, or missing for some addresses. Treat them as a starting point, not as a replacement for professional advice.
Source standard: preference goes to official government datasets, statutory bodies, professional standards, and primary dataset publishers. We cite the source family on the page and explain coverage limits rather than filling gaps with unsupported estimates.
- Professional standard: RICS Home Survey StandardRICS standard for condition-based residential surveys in the UK.
- Learn more from: RICS consumer guide to surveysConsumer-facing guide to survey types and when each level is appropriate.
- Official guidance: GOV.UK buying or selling your homeGovernment overview of the home buying and selling process.