South East · 2025-26
Business Rates in Windsor & Maidenhead UA
Businesses in Windsor & Maidenhead UA paid £81.4m in net business rates during 2025-26, below the average English council's £93.2m.
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Relief granted in Windsor & Maidenhead UA
Share of £26.0m total relief, 2025-26.
Windsor & Maidenhead UA at a glance
Windsor & Maidenhead UA granted £26.0m in relief overall, lower than the national council average of £26.3m. This included £4.0m in Small Business Rate Relief and £5.9m in retail, hospitality and leisure relief.
A further £7.1m went to charity relief and £7.5m to empty property relief, reflecting the mix of ratepayers across the local authority.
Windsor & Maidenhead UA has an estimated 9,045 active businesses, according to the latest ONS Business Counts (2025).
Windsor & Maidenhead UA ranks 285 out of 296 local authorities in England on the 2025 Index of Multiple Deprivation, where 1 is most deprived and 296 is least deprived.
Following the 2026 revaluation, the total rateable value of office property in Windsor & Maidenhead UA rose by 21.3% — if this pushed your assessment too high, an appeal may be worth considering.
Frequently asked questions
How much are business rates in Windsor & Maidenhead UA?
Windsor & Maidenhead UA's local authority collected £81.4m in net business rates income during 2025-26, based on the national multiplier applied to each property's rateable value, less any relief granted.
What reliefs are available in Windsor & Maidenhead UA?
Windsor & Maidenhead UA granted £26.0m in business rates relief in 2025-26, including £4.0m in Small Business Rate Relief, £5.9m in retail, hospitality and leisure relief, £7.1m in charity relief, and £7.5m in empty property relief.
How do I know if I'm overpaying?
If your rateable value looks high compared to similar properties nearby, or you're not currently receiving relief you may be entitled to, it's worth checking your assessment. Use our free checker to compare your rateable value and see if you may be eligible for a reduction or backdated refund.
Windsor & Maidenhead UA compared with the South East and England
- Average rateable value
- £41,709£6,413 above the South East average (£35,296)£7,719 above the England average (£33,990)
- Largest sector by value
- Other commercial property, 36.3%3.8 percentage points above its 32.5% share in the South East
- Total rateable value, 2023 to 2026 list
- +22.3%South East: +19.7%England: +19.6%
Counts and rateable values are from the stock of properties at March 2026, on the 2023 rating list. Changes are from the 2026 revaluation, comparing the 2023 rating list with the 2026 rating list.
Property mix
At £41,709, Windsor & Maidenhead UA's average rateable value ranks 62nd of 296 councils in England and 19th of 64 in the South East. The same sector leads on numbers too: 30.2% of Windsor & Maidenhead UA's rateable properties fall in the other commercial category.
Retail accounts for 25.9% of Windsor & Maidenhead UA's rateable properties and 17.2% of its rateable value, compared with 22.5% and 20.7% across the South East. At March 2026, around 50 of Windsor & Maidenhead UA's rateable properties had a rateable value of £500,000 or more, rising to around 70 on the 2026 list.
Change at the 2026 revaluation
Windsor & Maidenhead UA's +22.3% change in total rateable value at the 2026 revaluation was stronger than in 56 of the 63 other councils in the South East. The sharpest increase in Windsor & Maidenhead UA was in other commercial property, where total rateable value rose 25.9% at the 2026 revaluation, compared with +26.7% for other commercial property across the South East. No sector fell in Windsor & Maidenhead UA: industrial property moved least, up 17.4% at the 2026 revaluation, compared with +19.9% for industrial property across the South East.
Reliefs
In 2025-26, relief in Windsor & Maidenhead UA came to 23.7% of gross rates payable, above the 21.2% for England as a whole. Empty property relief was the largest of the four main reliefs in Windsor & Maidenhead UA, at 28.7% of total relief, above 17.0% across England.
Source: HM Revenue & Customs, using Valuation Office Agency data, and MHCLG relief returns. Open Government Licence v3.0. Method and rounding: /methodology.
See how Windsor & Maidenhead UA compares with the rest of the region: Business rates in South East, State of Business Rates in England 2026 →
Nearby areas
Compare with other councils in the South East
Other South East councils with their average rateable value, listed from the closest to Windsor & Maidenhead UA's £41,709.
- Business rates in Elmbridge£41,032 average rateable value, £677 lower than Windsor & Maidenhead UA
- Business rates in Basingstoke & Deane£43,429 average rateable value, £1,720 higher than Windsor & Maidenhead UA
- Business rates in West Berkshire UA£39,520 average rateable value, £2,189 lower than Windsor & Maidenhead UA
- Business rates in Southampton UA£39,189 average rateable value, £2,520 lower than Windsor & Maidenhead UA
- Business rates in Medway UA£38,989 average rateable value, £2,720 lower than Windsor & Maidenhead UA
- Business rates in Woking£44,702 average rateable value, £2,993 higher than Windsor & Maidenhead UA
Figures from MHCLG National Non-Domestic Rates statistics (2025-26), ONS UK Business Counts (2025), and English Indices of Deprivation (2025).
Updates for Windsor & Maidenhead
By email.