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Surveyors are instructed by solicitors and the property purchasers to undertake surveys, providing a valuation and describing the condition of a property. They must identify any defects or issues that could affect its usability, value or structural integrity and safety.
Professional negligence arises where the standard of that survey falls below what can be expected of a reasonably competent surveyor, and this results in a financial loss to the person who engaged the surveyor. Typical examples include missing major structural issues or overvaluing a property. Both buyers and mortgage lenders can be affected, depending on who relied on the report.
Under the law of negligence, surveyors owe a duty of care to the person who instructs and pays them to prepare a survey or someone who may place reasonable reliance on its findings. This often occurs when a buyer applies for a mortgage and the mortgage company instructs the surveyor. The buyer typically pays the fee and relies on the report to make purchase decisions.
Because the surveyor knows this, a duty of care arises, a duty to exercise reasonable skill and care to the standard of a competent surveyor. Where this standard is not met, there is a breach of duty.
A breach of duty alone does not amount to negligence. Two further elements must be proven:
These are the essential elements of a surveyor negligence claim.
Alongside duties under negligence law, contractual duties may also apply. Where a purchaser commissions a more detailed survey, such as a HomeBuyer Report or Structural Survey, a contract exists outlining the surveyor’s duties. Under the Sale of Goods and Services Act 1982, the contract includes implied terms requiring the surveyor to exercise reasonable skill and care. Failure to do so can give rise to a claim for breach of contract.
Several landmark court cases have defined the extent of a surveyor’s responsibility. In Large v Hart (2021), the Court of Appeal found the surveyor liable for losses caused by inadequate advice. The damages awarded represented the difference between the property’s value without defects and its actual value with all existing defects, even those the surveyor could not have reasonably seen at the time.
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Inspecting a property’s structural integrity is one of a surveyor’s most important duties. Structural weaknesses can have major safety implications and significantly affect value. Much of the UK’s housing stock, particularly pre-war and Victorian or Edwardian properties, often requires remedial work such as underpinning, roof repair, or wall bracing.
A surveyor has a duty to inspect these areas and confirm that the property is structurally sound and weatherproof. While there may be limitations, such as inaccessible roof spaces, visible areas must still be properly checked. Failure to identify clear defects may justify a claim for negligence.
Damp and mould are common issues, particularly in older buildings. These can result from missing or faulty damp proofing. Surveyors usually use instruments to detect moisture levels; failure to identify issues can lead to significant repair costs and financial loss.
Surveyors must also identify dangerous materials such as asbestos, which is strictly regulated, and invasive plants such as Japanese Knotweed, which can affect property value and saleability. Missing these during an inspection can form grounds for a professional negligence claim.
A surveyor’s valuation directly impacts both buyers and mortgage lenders. Errors in valuation can result in overpayment, lending risks, or financial loss. Overvaluation may expose lenders if the property value does not match the loan security; undervaluation can cause buyers to lose purchases or overpay deposits.
Such errors often arise from inadequate inspection, poor local market research, or reliance on outdated comparables. If the valuation was prepared without due care, this can constitute professional negligence.
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After purchasing a property, Mr & Mrs K discovered significant structural defects not identified in the surveyor's report. We are representing them in a claim exceeding £100,000.
Mr & Mrs M commissioned a comprehensive building survey before purchasing their property. The surveyor failed to identify damp and rot, leading to repair costs estimated at £30,000. We are representing them in a claim for compensation.
Mr & Mrs J’s solicitor failed to advise on foul drainage and road adoption. We recovered £70,000 after their property was left nearly valueless.
Building surveyors are the professionals most commonly involved in residential property transactions. Buyers typically rely on RICS-registered surveyors to assess condition and value before committing to purchase.
Negligence occurs when the surveyor’s report overlooks or misrepresents defects that later lead to financial loss. Depending on the survey type, the expected standard of care varies — but all surveyors must exercise reasonable skill, accuracy, and diligence.
When buying a property, you may require one of the following surveys, typically carried out by chartered surveyors:
Negligence can occur in any of these surveys if key defects are missed or misrepresented. The higher the survey level, the greater the detail, and the higher the expected professional standard.
Compare your survey type to see if you may have a claim.
Generally, the cost of a Home Survey, whether a Valuation Report, Homebuyers Survey, or Full Structural Survey, is paid by the buyer. Buyers want reassurance that the property’s value reflects the purchase price and that it doesn’t require extensive, costly repairs.
If buying with a mortgage, the lender will insist on at least a valuation report (Level 1 Survey) to confirm that the property value covers the loan amount. The mortgage company usually instructs the valuer and adds the cost to the mortgage application fee. To streamline costs, buyers can often upgrade to a Homebuyers Report (Level 2), which the lender also accepts as a valuation.
A valuation survey only comments on market value. Generally, if defects later appear, there’s no legal claim because the valuer wasn’t required to assess the condition of the property. By contrast, Homebuyers (Level 2) and Structural (Level 3) Surveys involve inspecting the property’s condition. Surveyors owe a duty of care to identify visible or reasonably discoverable defects. If they fail to do so and this causes the buyer financial loss, they may be liable for repair costs and the price of the report. Full structural surveys for larger homes can exceed £1,000, so errors can be costly.
Buyers who discover missed defects should first complain directly to the surveyor or surveying company. If a complaint is upheld, the cost of the report can be claimed. However, this may only be recovered where the negligence directly caused a financial loss, such as buying a property the buyer otherwise wouldn’t have purchased.
Throughout the entire process, you’ll receive regular updates, clear guidance, and fast responses to any queries. Your dedicated solicitor will be your main point of contact from day one to resolution.
Time limits are strict when bringing a claim for financial loss caused by a negligent surveyor’s report. Acting quickly is vital — missing a deadline could mean losing your right to claim.
If you believe your surveyor breached their contract (including the implied duty to exercise reasonable skill and care), you must begin legal proceedings within six years of the contract date. This is usually when the survey was commissioned or agreed in writing.
For negligence claims, the six-year period starts from the date of the negligent act, typically when the survey was carried out. Because contracts are often signed before the survey takes place, this period can sometimes extend slightly longer for a claim in negligence than a claim for breach of contract.
If you were unaware of the negligence when it occurred, a separate time limit may apply. Buyers may have three years from the date they discovered (or could reasonably have discovered) the negligence to start a claim. These cases are rare and harder to prove, as the burden lies on the claimant to show that defects existed and could have been identified at the time of the survey.
Financial loss is calculated on the principle of restitution to put the aggrieved party in the position they would have been in but for the negligence. This means assessing the buyer’s loss compared to what would have happened if the surveyor had acted competently.
Where a buyer relied on a negligent survey that failed to identify property defects, losses aren’t automatically equal to repair costs. Courts assess “diminution in value”, the reduction in market value caused by the defects. In many cases, this mirrors repair costs, but not always.
In higher-value claims, an independent surveyor may be appointed to assess what the property’s true market value would have been if the defects had been correctly identified at the time of purchase.
While there’s no statutory ombudsman for surveyor negligence, RICS provides a clear complaints process and alternative dispute resolution options.
Most surveyors conducting Level 2 or Level 3 reports are members of the Royal Institute of Chartered Surveyors (RICS). Their code of practice requires members to maintain a formal complaints procedure outlining how complaints are acknowledged, investigated, and resolved. Clients must be informed of their rights, response timelines, and further steps if they remain unsatisfied.
If a client is unhappy with a surveyor’s response or refusal to compensate, they can escalate the issue to RICS or an Alternative Dispute Resolution (ADR) process. ADR may involve mediation or arbitration conducted by an independent surveyor who makes a binding or advisory decision. This approach offers a faster and less costly alternative to court proceedings.
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What This Means for You
Surveyor negligence often forms part of a wider property transaction involving solicitors and conveyancers. If your case includes multiple professionals, explore the related services below:
Yes, you can. Surveyors owe a duty of care to their paying clients, such as property buyers, to perform work to the standard of a reasonably competent surveyor. If they fail in this duty and it causes financial loss, you may have a negligence claim. Additionally, if a contract exists, you may also have a breach of contract claim for failing to meet contractual terms, including statutory implied terms requiring reasonable skill and care.
Surveyors are commissioned to ensure property prices are reasonable (normally being equivalent to market value) and properties are safe and free from major defects. If a surveyor fails to identify obvious issues, such as roof leaks, damp, asbestos, or structural weaknesses, they may be liable. Buyers can claim financial losses for the cost of remedial work or the reduction in property value had the defects been discovered in the survey report.
If you find defects not identified in a property on purchase and mentioned in a survey report, address them immediately with the surveyor or surveying firm. Surveyors follow professional rules requiring a complaints handling procedure, which must acknowledge the complaint, investigate it promptly, and provide a timely response. Acting quickly helps protect your rights and evidence.
Negligence requires three elements:
If all three are satisfied, a claim for negligence can be made.
Evidence usually involves proof of property defects missed by the surveyor. Take dated photographs of the defect when discovered. Builders’ or tradesmen’s reports and quotes can also support the claim. Keep copies of all documentation, as this may be required for complaints or legal proceedings.
Yes. If a mortgage company instructed the surveyor, you may still have paid indirectly through mortgage application costs. Surveyors know buyers will rely on their reports, which creates a duty of care even without a direct contract. You can pursue a claim if negligence caused financial loss.
Yes, most claims settle out of court. Whether you undertake this yourself or via a solicitor, the first step in a negligence claim after gathering evidence is to present the claim in the form of a complaint or letter of claim to the surveyor. They or their insurer may admit or deny the claim. Professional bodies like RICS encourage Alternative Dispute Resolution (ADR), including mediation or arbitration. As solicitors, we act on behalf of clients in arranging mediation and arbitration that often lead to a successful outcome. Even if proceedings begin, most cases settle before a final court hearing.
Tim qualified as a solicitor in 1997 and has more than 25 years of experience advising clients on professional negligence, financial mis-selling and complex civil litigation matters. He oversees the firm’s professional negligence cases and advises on case strategy.
Tim has reviewed this page to help ensure the legal information is accurate, up to date and relevant to individuals considering a potential claim.
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You do not need legal representation to make a financial services claim. You can complain yourself at no cost and under FCA rules, the financial services provider must provide a response. If you feel this is unsatisfactory, you can complain to the statutory redress bodies, the FOS and FSCS who can award you compensation. This is a free service.
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