RICS Level 3 Survey

For period, listed, altered, or structurally complex homes. RICS level 3 survey explains not just what’s wrong, but why.
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Is this the right report for you?

A RICS Level 3 survey is the most detailed residential survey available in the UK. Where a Level 2 survey tells you what’s wrong, a Level 3 survey is written to explain why it’s happened, whether it’s ongoing or historic, and what it will realistically cost and involve to fix.

This matters enormously for older or unusual buildings, because problems in these properties are rarely as simple as they first look. A crack in a wall could be nothing more than old plaster settling — or it could be a sign of ongoing structural movement that needs urgent attention. A Level 2 survey would simply flag “cracking noted”; a Level 3 survey investigates further, explains the likely cause, and tells you whether it’s something to worry about.

Built for properties like:

Victorian, Georgian, or older housing stock

where construction methods (solid brick walls, lime mortar, timber floors) behave very differently to modern housing and need a surveyor who understands them

Listed buildings or those in conservation areas

where alterations are legally restricted and getting repairs wrong can create costly problems

Homes that have been significantly extended or altered

since the join between old and new construction is a common source of hidden defects

Properties with visible cracking, leaning walls, sloping floors, or unusual construction

(timber frame, thatch, cob, non-standard system-build), where a deeper technical assessment is genuinely needed

Anywhere you're planning major renovation work

since understanding the existing structure properly before you start prevents expensive surprises mid-project

OUR PROCESS

How booking a survey with us works

Tell us about the property

A quick call or online form — the address, property type, and your timeline is all we need to get started.

This is also where we confirm which survey is right for the property — a standard Level 2 for a typical home in reasonable condition, or a Level 3 for anything older, listed, or structurally unusual. If you’re not sure which applies, tell us what you know and we’ll advise honestly.

We match you with the right surveyor

We match your property to a RICS-qualified surveyor with relevant local and technical experience. You’ll get a confirmed inspection date.

The inspection

Your surveyor works through the property systematically: roof space, main structure, visible services, damp readings, and every accessible room, photographing anything notable along the way.

Your report

You receive a comprehensive written report with traffic light condition ratings, a full description of construction and materials, defect analysis with probable causes, repair recommendations, risk summaries, energy commentary and if anything raises questions, your surveyor is available afterwards by phone to walk you through it.

Ongoing support if you need it

If you need clarification on a specific finding or help explaining the report to your solicitor, your surveyor remains available well after delivery — not just on the day it’s issued.

HELP TO BUY VALUATION FAQ

Frequently Asked Questions

How is a Level 3 survey different from a Level 2, in practice?

A Level 3 survey uses the same traffic-light condition ratings as a Level 2, but adds a full explanation behind each one — the likely cause of a defect, whether it’s ongoing or historic, and what doing nothing about it would lead to. A Level 2 tells you what’s wrong; a Level 3 explains why.

Not automatically — age alone isn’t the deciding factor. It’s more about construction type and complexity: a straightforward Victorian terrace in good condition might suit a Level 2, while a much younger but heavily extended or unusually constructed property might genuinely need a Level 3.

Yes — this is one of the areas a Level 3 is specifically designed to look at closely, since the join between original construction and later additions is a common source of hidden defects.

Yes. Many people commission a Level 3 survey specifically because they’re planning significant work and want a clear understanding of the existing structure before they start, rather than as part of a purchase.

It typically costs more, reflecting the longer inspection time (three to five hours versus two to three) and the more detailed reporting involved — but for a property where it’s genuinely warranted, it’s usually far cheaper than an unexpected structural repair discovered after you’ve moved in.

Where something needs specialist input beyond a general practice surveyor’s expertise — for example, a structural engineer for suspected subsidence — the report will say so and recommend the specific further investigation needed, rather than guessing.

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Janet Faull profile picture
Janet Faull
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Happy to recommend this firm. The survey was informative and easy to understand, and our further conversations with the surveyor were veyr helpful.
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David Price profile picture
David Price
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Prompt, efficient, thorough
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STUART REID profile picture
STUART REID
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Very professional company which responded quickly and efficiently to my enquiry. Booking the survey was easy and the surveyor himself was polite, friendly and very good at explaining what he needed to do. The resulting report was delivered promptly and was thorough and helpful. Happy to recommend this company.
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Daniel Wadsworth profile picture
Daniel Wadsworth
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These guys are good and professional. Reasonably priced, very easy to work with and good quality report. This is coming from a qualified architect who knows the industry. Highly recommend.
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Amelie profile picture
Amelie
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We had a great experience with cotswolds surveyor for our level 2 home survey. They took the time to advise us before we contracted with them, recommending we get a structural engineer to check the house before our survey due to the specific concerns we had, even if that could have meant we did not need to use their services in the end. They were also very responsive and helpful throughout the process.
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Helen profile picture
Helen
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I found this firm very easy to deal with and they were able to arrange a survey quite promptly. Charles the surveyor gave me a call after his inspection to talk everything through, which was much better than just receiving a written report. The report followed shortly which was very comprehensive with photos and explanations included. I would highly recommend this company.
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Francesco Sticchi profile picture
Francesco Sticchi
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The service provided was excellent and thorough. It allowed us to avoid a very troublesome acquisition of a first house. We were impressed by the level of details provided in the survey and, in particular, by the kind and precise heads up via phone call received right after the survey was completed. We could not recommend this service more for its careful and thoughtful attention to the client.
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Steve profile picture
Steve
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I recently used Cotswold Surveyors for my flat purchase. Guy was thorough and knowledgable and provided a verbal report before the written one came through. I would certainly recommend them.