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The Horserace Betting Levy is the mechanism that connects your betting account to the sport itself. Every pound of bookmaker profit generated by bets on British horse racing is subject to a 10% levy, collected by the Horserace Betting Levy Board and channelled back into prize money, integrity services and equine welfare. It is a unique arrangement — no other sport in Britain has anything comparable — and it means that betting funds the sport in the most direct way imaginable.
Understanding the Levy is not strictly necessary for placing a bet, but it illuminates why the sport exists in the form it does: why prize money levels are what they are, why racecourses can stage the fixtures they do, and why the relationship between betting and racing is so much deeper in the UK than anywhere else in the world.
How the Levy Is Calculated and Collected
The Levy is calculated at a flat rate of 10% on the gross profits that bookmakers earn from bets on British horse racing. Gross profit, in this context, means the total stakes received minus the winnings paid out. If a bookmaker collects £1 million in stakes on British racing in a given period and pays out £900,000 in winnings, the gross profit is £100,000 and the Levy payable is £10,000.
The rate has been fixed at 10% since the Horserace Betting Levy Regulations 2017, which replaced the old system of annual negotiations between bookmakers and the racing industry. Before the 2017 reform, the Levy rate was renegotiated each year — a process that was inefficient, contentious and produced outcomes that varied unpredictably. The statutory 10% rate provided certainty for both sides and ended decades of adversarial bargaining.
The 2017 reform also extended the Levy to offshore operators. Any bookmaker accepting bets from UK customers on British horse racing — regardless of where the operator is based — is liable for the Levy. This closed a loophole that had allowed Gibraltar-based operators and others to profit from British racing without contributing to it. The extension was a watershed for Levy income, bringing previously exempt revenue streams into the system and significantly increasing the total collected.
Collection is administered by the Horserace Betting Levy Board (HBLB), an arm’s-length body established by statute. The HBLB collects the Levy from operators, manages the funds, and distributes them according to its statutory obligations. The Board publishes annual accounts that detail how much was collected, how it was spent and what reserves are held. Transparency is built into the system — the data is public and auditable.
Where Levy Money Goes — Prize Money, Science, Integrity
Levy income flows into three broad categories: prize money, improvement of the breeds, and veterinary science and education. Prize money is the largest allocation and has the most visible impact on the sport — it is the incentive that persuades owners to keep horses in training, trainers to target specific races, and the competitive quality of British racing to remain among the highest in the world.
The HBLB’s budget for FY 2025-26 was set at £103 million, with reserves of £58.7 million providing a cushion against volatile years. The reserves exist because Levy income is tied to bookmaker profits, which fluctuate with the volume of betting and the results of the races — a year of many favourite winners reduces bookmaker gross profits and, with them, the Levy take.
Integrity services receive a significant allocation. The HBLB funds the British Horseracing Authority’s integrity department, which monitors betting patterns for signs of corruption, investigates suspicious races, and enforces the rules against jockeys, trainers and owners who breach them. This is the infrastructure that underpins public confidence in the sport — the assurance that the race you are betting on is run fairly. Without Levy funding, that infrastructure would be drastically reduced.
Veterinary science and equine welfare are the third pillar. Levy money supports research into racehorse injuries, rehabilitation programmes, and the development of better track surfaces and safety standards. The Equine Pool — a dedicated fund within the HBLB — finances projects that improve the physical welfare of racehorses during and after their careers. For a sport that relies on the health of its participants, this investment is not optional — it is foundational.
Record £109 Million — What Drove the Surge
The Levy reached a record £109 million in FY 2024-25, surpassing the previous high and reflecting a period of strong betting activity — particularly around the major festival meetings that drive the majority of horse racing turnover. The Cheltenham Festival, the Grand National, Royal Ascot and the summer festivals collectively account for a disproportionate share of annual Levy income, because these events generate the highest volumes of betting and, consequently, the largest bookmaker gross profits.
Several factors contributed to the record figure. The extension of the Levy to offshore operators continued to pay dividends, capturing revenue that would previously have leaked out of the system. Growth in online and mobile betting — now the dominant channel for horse racing wagers — brought higher volumes through the system. And a run of results that favoured bookmakers in certain high-profile races increased gross profits in absolute terms.
The record is welcome, but it comes with a caveat. Levy income is inherently cyclical. A year of high-profile upsets — multiple longshot winners at Cheltenham, a 100/1 Grand National winner — would reduce bookmaker profits and drag Levy receipts down, regardless of the total volume of bets placed. The HBLB’s reserves exist precisely for this scenario, smoothing out the peaks and troughs so that prize money and integrity funding remain stable even when Levy income fluctuates. It is a system designed for resilience, not for perpetual growth.
The Levy’s Future — Budget 2025 and Beyond
The Levy’s immediate future was clarified by the Autumn Budget 2025, which preserved the 10% rate on horse racing betting while raising taxes on other gambling products. The racing industry had lobbied hard for protection, arguing that the Levy already constituted a de-facto 25% combined burden (15% General Betting Duty plus 10% Levy) and that any further increase would damage prize money, reduce the quality of racing, and ultimately diminish the betting product itself.
The argument held — for now. The HBLB’s £77.1 million funding package for 2026 ensures that prize money, integrity and welfare commitments are maintained at current levels, and the reserves provide a buffer if Levy income softens. But the broader trajectory of UK gambling regulation raises questions that the Levy system will eventually need to answer.
Affordability checks and enhanced player protection measures, while designed to reduce gambling harm, have the side effect of constraining betting volume — and lower volume means lower Levy income. If the regulatory direction of travel continues to tighten, the HBLB may face a structural decline in receipts that reserves alone cannot offset. The racing industry is aware of this risk and has been exploring supplementary funding models, including media rights revenue and international Levy arrangements, to diversify its income base.
For punters, the Levy is an invisible mechanism with visible consequences. The prize money that makes British racing competitive, the integrity services that keep it honest, and the welfare standards that protect the horses all flow from the 10% of your bookmaker’s profit that betting funds the sport. Whether that funding model proves durable in a tightening regulatory environment is one of the most consequential questions facing British racing in the years ahead.