Age and type of house
Can you call a rendered 1950s semi an Airey house because of the decade?
No. A decade and a coat of render do not identify a named system, and Airey is a particular form of construction, not a synonym for a post-war semi. The survey should use that name only if it could see the features it is relying on, and if it could not tell, it should say so.
Last reviewed 24 October 2026. Written for buyers in England and Wales unless this answer says otherwise. No named surveyor has signed this page. It is general guidance, not a report on your house, and not legal advice.
What is the fuller explanation?
Buyers do this when a neighbour’s house was repaired under a scheme, or when an article shows a rendered semi of the same age. The houses may not match. Render hides panel edges, concrete posts and brick alike. A visual survey that did not see those parts cannot honestly pick a system from the estate agent’s date. Ask for the construction line to state what was visible.
A certificate for a repair scheme is a separate paper. Do not add one because you have guessed the name, and do not demand an Airey repair because the walls are pebbledashed and the house is old. Unusual construction is a reason to describe carefully. It is not a reason to invent the label. The Level 3 description is aimed at unusual buildings, and it still depends on what could be seen.
What should you ask your surveyor?
- What did you see that would justify the name Airey, if you used it?
- If you could not tell, will you say the system was not identified?
- Are you relying on the year, the render, or the fabric?
What are the typical next steps?
- Do not write Airey on a lender form unless the survey identified it.
- Ask what was visible at corners, openings and any exposed posts.
- Keep repair-scheme papers separate from a guess based on the decade.
Costs vary with the building and with who you instruct. Where this page does not cite a published figure, ask the surveyor, a relevant specialist, or your solicitor for a written quote. Do not treat a forum average as the price.
Also asked about this
Does render mean the concrete frame has been repaired?
No. Render is a coat. A repair scheme has papers. Neither is proved by the year on the particulars.
Is every concrete semi of the 1950s the same system?
No. The survey should name a system only from what it could see, or say it could not tell.