A business rates bill can look fixed, technical and difficult to question. Yet the figure is based on a rateable value, property details and reliefs that may not fully reflect how your premises are used or the conditions affecting them. A rate audit review examines those elements carefully, giving occupiers a clearer view of whether they are being charged fairly and whether there is a case for reducing liability.
For many businesses, rates are one of the largest recurring property costs after rent. Even a modest error in an assessment, or an overlooked relief, can create an unnecessary cost year after year. The right review is not about challenging a bill for the sake of it. It is about establishing the facts, understanding the valuation and taking action where the evidence supports it.
What a rate audit review examines
A rate audit review is a structured assessment of your business rates position. It starts with the property recorded by the Valuation Office Agency (VOA), the rateable value assigned to it and the way your local authority has calculated the bill.
The review then considers whether that information accurately represents the premises and the business circumstances. This can include the size and layout of the property, its physical condition, access, use, location and any factors that may affect rental value. It also checks whether the correct reliefs, exemptions or transitional arrangements have been applied.
The aim is straightforward: identify whether the existing liability is correct, whether savings may be available, and whether a formal challenge is justified. That distinction matters. A credible case needs evidence, not simply a belief that the bill is too high.
Why business rates assessments can be wrong
Business rates are not calculated from your turnover or profitability. They are based on the rateable value of the property, broadly reflecting an estimate of the annual rental value at a specified valuation date. That makes the process technical, and it means the assessment can sometimes fail to capture the reality of an individual site.
A property may have been altered, divided, partly vacant or affected by disrepair. There may be restricted access, unusual layout issues, nearby works, flooding risk or other matters that influence its rental value. In larger properties, small inaccuracies in floor areas or property characteristics can have a material financial effect.
Reliefs can also be missed. Small business rate relief, empty property relief, charitable relief and certain occupation-based reliefs all have conditions, and eligibility is not always applied automatically. A review should consider the current position as well as whether previous periods may need investigation.
This does not mean every assessment will be excessive. Many will be correct. But without a detailed review, it is difficult to know whether the bill reflects the property accurately or whether an opportunity has been overlooked.
The difference between checking a bill and reviewing a valuation
It is sensible to check that the billing authority has used the correct rate multiplier and applied any known reliefs. However, that is only one part of the picture. The local authority calculates the charge, while the VOA is responsible for maintaining the rating list and determining the rateable value.
A proper review therefore looks beyond the arithmetic on the bill. It considers the valuation evidence behind the assessment, comparable properties where relevant, the physical facts of the premises and the formal route available for making a challenge.
For occupiers with a single shop, office, workshop or warehouse, this can reveal a simple issue that is easy to resolve. For businesses operating a portfolio of sites, the value is often in creating a consistent process. Each property can be assessed against the same criteria, helping finance and property teams prioritise the cases with the strongest potential benefit.
When to arrange a business rates audit
There is no need to wait until a bill becomes unaffordable. A review is particularly worthwhile when a business has experienced a change that may affect the property or its use. Examples include a refurbishment, partial occupation, an extension, a change in layout, damage, access restrictions or a change in the surrounding area.
It is also sensible to review rates when taking on a new commercial property. The rateable value should be understood alongside rent, service charge, insurance and other occupancy costs before commitments are finalised. A low rent does not necessarily mean low rates, and a seemingly modest unit can still carry a significant liability depending on its assessment and location.
Businesses should also be alert following a revaluation or when a relief has ended, changed or been refused. Revaluations can alter liabilities substantially, particularly for properties in areas where rental values have moved sharply. A higher bill does not automatically mean the assessment is wrong, but it is a prompt to check the evidence.
What happens after the audit
The outcome should be clear and practical. If the assessment and billing position appear correct, the business has confidence that its liability has been tested. If an administrative issue or missed relief is identified, the next step may be an application or correction with the local authority.
Where there is evidence that the rateable value is too high, a specialist adviser can assess the prospects of a formal challenge through the appropriate business rates procedure. In England, this may involve the Check, Challenge, Appeal system. The process has defined stages, evidence requirements and deadlines, so preparation is vital.
A challenge can require property inspection, measurement, rental analysis and consideration of comparable evidence. It may also involve detailed correspondence with the VOA and, where necessary, representation during the appeal process. The strongest cases are built on accurate facts and sound valuation judgement.
There are trade-offs to consider. A formal case takes time, and savings cannot be assumed before the evidence has been reviewed. Depending on the circumstances, a change to an assessment may affect liability differently across rating periods. Professional advice helps occupiers understand both the potential upside and the likely route before committing to a challenge.
Information that makes a review more effective
A specialist can start with basic property and billing information, but a review becomes more precise when the occupier can provide a full picture. Recent rates demands, details of any reliefs, lease information, plans, photographs and records of alterations are all useful. So are details of problems that affect occupation, such as repair issues, restricted parking, poor access or works nearby.
For multi-site businesses, it helps to maintain a central record of rateable values, annual charges, occupation dates and material property changes. This makes it easier to spot inconsistencies and prevents deadlines being missed. It also gives decision-makers a more accurate forecast of property outgoings.
The key is not to assume that a challenge needs a dramatic physical defect. A valuation can be affected by several smaller factors, while a missed relief may arise from a change in occupation or business circumstances. Equally, not every inconvenience will justify a reduction. The evidence must show a real impact on the rateable value or entitlement.
Choose advice that is commercially grounded
Business rates advice should be understandable as well as technically sound. You need to know what is being reviewed, why a case may have merit, what evidence will be needed and how any fees or next steps will work. Clear communication is especially important where several stakeholders are involved, from a landlord or managing agent to a finance director and site manager.
At Get Your Rates Right.com, qualified rating surveyors support commercial occupiers across England and Wales with practical reviews and formal appeal representation. The focus is on assessing each property on its merits and pursuing reductions only where there is a defensible basis for doing so.
A rates bill should be a controlled business cost, not an untested assumption. Taking the time to review the assessment can provide reassurance where it is correct and a route to meaningful savings where it is not.
