A RICS property valuation is a formal assessment of what a property is worth, carried out by a surveyor regulated by the Royal Institution of Chartered Surveyors (RICS). It produces a defensible figure — usually the open market value — that a lender, court, executor or tax authority can rely on. It is not the same as an estate agent's appraisal, and it is not a survey of the building's condition.
What a valuation is — and what it is not
A valuation answers a single question: how much is this property worth on a given date? The surveyor inspects the property, compares it with recent local sales and reaches a figure, then sets it down in a written report. That report carries professional weight because the surveyor is bound by RICS standards and is accountable for the opinion.
A survey is a different exercise. A condition or building survey examines the fabric of the property — the roof, damp, structural movement, services — and flags defects and repair costs. It does not necessarily give a value. A valuation does not, as a rule, give you a defect list. The two are sometimes bundled together, but they answer separate questions.
An estate agent's market appraisal is different again. It is a free opinion offered to win an instruction to sell, and it has no regulatory standing. A RICS valuation is independent of any sale, which is precisely why third parties accept it.
Reasons people need a formal valuation
A RICS property valuation is a formal assessment of what a property is worth, carried out by a surveyor regulated by the Royal Institution of Chartered Surveyors (RICS).
Most people never commission one, because a mortgage lender arranges its own. A formal, independent valuation tends to be needed when a decision rests on a figure that has to stand up to scrutiny. Common situations include:
- Probate. When someone dies, their property must be valued for inheritance tax and to administer the estate. A probate valuation records the open market value at the date of death. HM Revenue & Customs may query a figure that looks low, so a RICS valuation gives the executor a documented basis.
- Divorce or separation. A matrimonial valuation establishes what the family home is worth so that assets can be divided. Because the figure can be contested, courts prefer an independent valuation, sometimes from a single jointly instructed surveyor.
- Help to Buy. Repaying or staircasing a Help to Buy equity loan requires a RICS valuation, because the amount owed is a percentage of current value. The administrator will not accept an agent's estimate. The valuation is usually valid for a limited period — often three months.
- Shared ownership. Buying further shares in a housing association property works on the same principle and needs a current valuation.
- Tax and accounting. Capital gains tax, transfers into trust, and company accounts can all turn on a property value at a specific date.
- Disputes and settlements. Boundary issues, partnership dissolutions and some insurance matters may call for an impartial figure.
How a surveyor arrives at market value
Open market value is the price a property would reasonably fetch between a willing buyer and a willing seller, each acting at arm's length and with proper knowledge. RICS defines this carefully because it removes special circumstances — a forced sale, a related-party deal — from the figure.
For residential property, the usual method is comparison. The surveyor gathers evidence of recent sales of similar properties nearby, then adjusts for differences: floor area, condition, number of bedrooms, garden, parking, and the exact street. A larger plot or a recent extension pushes the figure up; a busy road or a short lease pulls it down.
Comparable evidence matters more than the property's own asking history. The surveyor weighs how recent each sale was, how similar the property is, and how reliable the data is. Where good comparables are scarce — an unusual conversion, a rural property, a flat with a complicated lease — the surveyor relies more on judgement and explains the reasoning in the report.
How accurate is a valuation figure?
A valuation is a professional opinion, not a guaranteed price. Two competent surveyors can reach slightly different figures from the same evidence, and that is normal. The market itself moves, so a value is tied to a specific date.
Accuracy depends on the quality of comparable sales. In an active area with plenty of similar transactions, the figure is likely to be tight. In a thin market, or for an unusual property, the range widens and the surveyor may say so. The eventual sale price can still differ, because actual buyers bring their own motivations.
For purposes such as probate or tax, the date and the basis matter as much as the number. A retrospective valuation — for instance, at a past date of death — is a recognised exercise, and the surveyor relies on evidence from that period rather than current conditions.
What affects the fee
Surveyors set their own fees, and they vary. There is no fixed national rate, so it is worth comparing more than one quote and checking what the report covers. Several factors tend to shape the cost:
- Property value and size. Higher-value and larger properties usually attract higher fees, partly because more is at stake and partly because the work involved is greater.
- Purpose. A straightforward Help to Buy valuation is often priced as a defined product. A probate or matrimonial valuation may cost more, because the report has to satisfy HMRC or a court and may need extra detail or supporting evidence.
- Complexity. Unusual properties, leasehold complications and a lack of local comparables all add time.
- Location and access. Travel to a remote property, or difficulty arranging an inspection, can affect the figure.
- Retrospective dates. Valuing as at a past date requires extra research and is sometimes charged accordingly.
When comparing surveyors, it helps to confirm they are RICS-regulated, that the valuation is on the correct basis for your purpose, and how long the figure remains valid. A quote should make clear whether VAT is included and whether any inspection or report is part of the price.
Last reviewed: June 2026