296 local authoritiesThe overpayment map
Where businesses are most likely over-assessed, authority by authority. Deeper colour means a larger share worth checking. Full ranked table and a free CSV.
Open the mapIntelligence
What the rating list says about the market
We analyse every rateable property in England against its comparablesA similar nearby property used as evidence for what your Rateable Value should be. Good comparables share your property's type, size band and location., then publish what we find. Free to read, free to quote, methodology in the open.
Reclaimable a year£929macross all flagged properties
Overpaying1 in 11English business properties
Properties flagged178,911of 1,880,334 analysed
Typical reclaim£1,316a year, median authority
296 local authoritiesMonthly market data
Rateable value movement by sector and by authority, plus how many Checks and Challenges are being filed where. Before and after, for the properties the VOA amended each month.
See this month’s dataThis month at a glance
Sharpest RV fall by sector
Car Parking & Storage −19.82%
£24.83 → £19.91 per m² across 239 amended properties — 200 cut, 6 raised. A falling RV means a smaller bill — worth knowing if your own valuation held firm.
MoreFastest rising RV by authority
Bath and North East Somerset +9.67%
Of 25 amended properties: 5 cut, 1 raised, 19 unchanged. £ per m² can rise when recorded floor areas shrink, not only when values go up.
MoreMost cases filed
City of London 207
Checks and Challenges recorded in July — more than twice the next authority. Ratepayers there are already acting.
MoreHow we work it out
- 1Start with the official list — every rateable property in the VOAThe government body that sets every property's Rateable Value. From April 2026 the VOA is part of HMRC (see below), but 'VOA' is still the common name for the valuation side of the work. 2026 Rating ListThe public register listing every business property's Rateable Value. The current list is the '2026 list', based on rental values from 1 April 2024. for England.
- 2Find genuine comparables: same valuation scheme, similar use, similar size, nearby.
- 3Compare value per square metre against the range those comparables set.
- 4Convert the gap to money using the relevant multiplierThe pence-in-the-pound rate the government sets each year. Your rates bill is roughly Rateable Value × multiplier, before any reliefs are applied., using medians so outliers can’t distort it.
Free to use and quote
Cite Businessratechecker.com and link back. The full authority table downloads as a CSV.
Download the CSVEngland only. Wales, Scotland and Northern Ireland run separate rating systems and are not included.
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