Every few months, someone in a racing forum asks the same question: “Do I have to pay tax on my winnings?” The answer has been the same since 2001 — no — and yet the confusion persists. I think the misunderstanding comes from the fact that the betting industry is taxed, and heavily so, but the tax falls on the operator, not the punter. The 2025 Budget set Remote Gaming Duty at 40% while explicitly leaving horse racing at its existing 15% rate plus the 10% Horserace Betting Levy. That split tells you a lot about how Westminster views racing’s unique position in the gambling ecosystem.
This article explains who pays what, why racing is treated differently, and how the tax structure indirectly affects the odds and promotions available to you as a UK punter.
Tax on Winnings: The Short Answer for Punters
If you bet on horse racing in the United Kingdom, your winnings are not subject to income tax, capital gains tax, or any other direct tax. It does not matter whether you win 50 pounds on a Saturday afternoon flutter or 500,000 pounds on an accumulator — the tax position is the same. HMRC does not classify gambling winnings as income.
This has been the case since Gordon Brown abolished the 9% betting duty on punters in 2001, replacing it with a 15% Gross Profits Tax levied on the bookmaker instead. Before that change, you had a choice when placing a bet: pay the 9% tax on your stake upfront, or pay it on your winnings when you collected. Older punters remember that calculation well. The shift to operator-side taxation removed the punter from the equation entirely.
There is no reporting obligation either. You do not need to declare horse racing winnings on your self-assessment tax return, and HMRC does not require bookmakers to report individual punter winnings. This is one of the few areas where the UK tax system is genuinely simple.
One edge case worth knowing: if you are a professional gambler — someone whose sole or primary income derives from betting — HMRC still does not tax your winnings. The distinction between professional and recreational gambling does not create a tax liability in the UK, unlike some other jurisdictions. However, professional gamblers cannot offset losses against other income for tax purposes either, because their activity is not classified as a trade.
How Bookmakers Are Taxed: GBD, RGD and the Levy
The tax burden on betting operators is layered and substantial. Three main charges apply: General Betting Duty (GBD), Remote Gaming Duty (RGD), and the Horserace Betting Levy. Understanding these helps explain why your odds look the way they do and why certain promotions exist.
General Betting Duty applies to on-course and high-street bookmakers at 15% of gross profits (stakes received minus winnings paid out). This covers the traditional in-person betting shop model. As the industry has shifted online, GBD’s share of total tax revenue has declined, but it remains the baseline rate for non-remote betting.
Remote Gaming Duty applies to online gambling and was increased from 21% to 40% in the 2025 Budget. However — and this is the critical point — horse racing betting was explicitly excluded from the RGD increase. Rachel Reeves stated that remote gaming is associated with the highest levels of harm and that she was making no change to the taxes on horse racing. Online horse racing betting therefore remains at the 15% GBD rate rather than the 40% RGD rate that applies to remote casino, poker, and other online gambling verticals.
The Horserace Betting Levy is a unique charge that applies only to horse racing. Bookmakers pay 10% of their gross profits from horse racing bets to the Horserace Betting Levy Board (HBLB), which distributes the funds to support racing — prize money, integrity services, veterinary science, and grassroots development. The Levy collected a record 108.9 million pounds in the year to March 2025. Combined with the 15% GBD, horse racing bookmakers face an effective tax-plus-levy rate of roughly 25% on gross profits from racing — lower than the 40% RGD on remote casino, but still a significant charge.
The net result for the industry: horse racing has a more favourable tax position than online casino or slots, which incentivises operators to maintain and promote their racing product. This helps explain why Best Odds Guaranteed, extensive live streaming, and racing-specific free bets remain common — racing is relatively cheaper for operators to offer than other gambling verticals.
The 2025 Budget: What Changed for Racing
The October 2025 Budget was a watershed moment for UK gambling taxation. The headline was the doubling of Remote Gaming Duty from 21% to 40%, which sent shockwaves through the online casino industry. For horse racing, the headline was what did not change.
By ring-fencing horse racing at the existing 15% GBD rate, the government acknowledged that racing occupies a different position in British culture and economy than online casino games. The explicit exclusion was a political signal as much as a fiscal one — horse racing’s economic contribution (4.1 billion pounds annually in direct, indirect, and associated spending) and its employment base (over 20,000 jobs across 59 racecourses) gave the Chancellor strong reasons to avoid disrupting its funding model.
The Levy also remained unchanged. There had been speculation that the government might absorb the Levy into a wider gambling tax structure, but that did not happen. The 10% Levy continues as a separate, ring-fenced charge that flows directly into racing through the HBLB.
What the Budget did change was the competitive landscape between gambling verticals. With remote casino operators now paying 40% on gross profits, some industry analysts predicted a shift of marketing spend towards sports and racing, where margins are taxed less aggressively. For punters, this could mean more promotional activity around horse racing as operators seek to grow their lower-taxed product lines.
The government also allocated 26 million pounds to the Gambling Commission specifically to tackle the unlicensed betting market — an acknowledgement that the regulatory framework, including affordability checks, has pushed some punters towards offshore operators that pay no UK tax at all.
How Tax Policy Affects Odds and Offers
Tax is invisible to most punters, but it shapes every price you see. A bookmaker building a market must factor in its tax liability when setting margins. The overround — the built-in edge that ensures the bookmaker profits over time — needs to cover not just operating costs and profit targets but also the GBD and Levy.
Because horse racing’s combined tax-and-levy rate is lower than the 40% RGD on casino products, bookmakers can afford to run tighter margins on racing markets. This is one reason horse racing odds are often competitive compared to other sports — the tax structure gives operators slightly more room to price aggressively.
Promotions follow the same logic. BOG, enhanced each-way terms, extra places in handicaps — these promotions carry real costs for the bookmaker, but those costs are partially offset by the favourable tax treatment of racing revenue. If the 40% RGD were applied to racing, it is likely that some of these promotions would be scaled back or withdrawn.
For the punter, the message is straightforward: the UK tax system currently works in your favour on two fronts. You pay no tax on winnings, and the operator’s tax burden on racing is low enough to support competitive odds and generous promotions. Enjoy it while it lasts — tax policy changes with every Budget.
