What bookmaker promo codes are worth in Britain this year

Updated October 2026

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Data current as of 30 October 2026 · verified against the Gambling Commission’s public register and each operator’s own terms

The word “free” is doing a lot of work on the front page of every British sportsbook. Behind it sits a small cluster of rules — a wagering requirement, a minimum price, an expiry window, sometimes a stake that does not come back with the win — and since 19 January 2026 the Gambling Commission has capped one of those rules for the whole GB market. No bookmaker may now demand more than ten times the bonus amount in qualifying bets. That single ceiling is the most useful number on this page, because every welcome offer, every reload and every “free £40” headline is measured against it.

This guide walks through what a bookmaker promo code really costs in Great Britain today. It opens with the legal frame the offers sit inside — the Commission’s bonus cap, the ban on mixed-product promotions, the verification rules that fire before a customer ever places a bet — then moves to what “free bet” actually means in pounds, then to ten licensed operators in turn, with a worked turnover calculation and a short FAQ at the end.

The British legal frame around a sportsbook promotion

The market runs under the Gambling Act 2005. The Act itself is silent on bonuses; the rule that limits them sits in the Licence Conditions and Codes of Practice that every Commission licensee signs. Since 19 January 2026 those conditions cap any wagering requirement on a bonus at ten times the bonus amount. A £10 bonus at fifty times wagering — £500 of qualifying bets — would once have been routine; the cap makes it impossible. A £10 bonus at ten times wagering needs exactly £100 of qualifying bets, at the price the operator names. Above ten, the licence is at risk.

The same set of rules banned mixed-product promotions. A promotion that asks the customer to wager on sport to unlock free spins, casino credit, bingo bonus or lottery entries can no longer be marketed to GB customers. Betting-only and casino-only offers remain; the cross-sell between them is gone. Whether the cap applies to a free bet with no wagering condition at all — a token that simply expires if unused — is not established in the rules; the Commission’s published guidance names the cap and the mixed-product ban without resolving it.

Outside the bonus cap, the framework is built from a small number of clear pieces. Customers must be at least 18. Identity, address and date of birth are verified before the first deposit or the first free bet, by every licensed remote operator, since 7 May 2019. Since 31 March 2020 every licensed remote operator has been a member of GAMSTOP, the multi-operator self-exclusion register. Since 14 April 2020 no credit card, including credit-card-funded e-wallet top-ups, may be used to gamble in Great Britain. Since 30 August 2024 a financial vulnerability check has applied to customers whose deposits minus withdrawals exceed £150 in any rolling 30 days, and since 28 February 2025 that check has included a public-record search — bankruptcy, county court judgments — at that threshold. Financial risk assessments on affordability are announced in stages, with a Commission article of 7 July 2026 outlining the rollout but no start date for full checks.

None of this makes a bonus worth more. It does make the relationship around the bonus more rigid. The Commission does not promise a free bet pays back its stake. It does not promise a minimum margin or a maximum hold on any market. What it sets is the floor: the bettor must be of age, must be verified, must be able to self-exclude, must not be charged by credit card, must not be asked to wager more than ten times the bonus, and must not be pulled across product boundaries by the offer. Everything else on the page — minimum odds, expiry, market restrictions, the return of stake on a free bet — is a term each bookmaker sets.

Safer gambling and the perimeter of a promo code

A promo code is a marketing tool; safer gambling is the perimeter it sits inside. Three of the perimeter instruments matter directly to anyone comparing welcome offers.

GAMSTOP is the first. A six-month, one-year, five-year or five-year-with-auto-renewal exclusion can be set from a single online form; the exclusion applies to every licensed remote operator in Great Britain at once, not to betting shops, which use a separate scheme. After the minimum period the exclusion stays in place for a further seven years unless the customer removes it. A self-excluded customer cannot claim a welcome offer, and no licensed bookmaker may issue one. From the bettor’s side, GAMSTOP is the cleanest line between the licensed market and a wager the bettor has decided against.

Deposit limits are the second. Operators must offer gross deposit limits over a fixed time window; the first phase of the Commission’s remote technical standards has applied since 31 October 2025, a second phase was postponed to 30 September 2026, and whether the second phase is live is not established. There is no state-set deposit ceiling for betting. The customer picks the ceiling; the operator must enforce it. A welcome offer that needs a £20 deposit to qualify sits inside whichever limit the customer has set, and the limit is what stops the offer from becoming a budget surprise.

Help is the third. GamCare runs the National Gambling Helpline. GambleAware funds treatment and research. NHS gambling clinics operate in several regions. Gamblers Anonymous runs local meetings. None of these is a bookmaker; none of them markets a sign-up offer. A bettor who decides the offer is not for them has somewhere to go that is not a refund.

Offshore and unlicensed brands sit outside the perimeter. The Act makes it an offence, aimed at the operator, to provide gambling facilities in Great Britain without the licence the Act requires, but the offence is not aimed at the customer. The honest description is the loss of it — no GAMSTOP coverage, no Commission complaints route, no approved alternative dispute resolution, no British consumer redress if funds are withheld, and not bound by the 10x bonus cap or the £150 vulnerability check. There is no published list of unlicensed brands and no published list of licensed ones outside the Commission’s public register; that register is the whole test, searchable by business name, trading name, domain or account number.

How a free bet, a bonus and a price boost actually work

The word “free” carries three different mechanics on a British sportsbook, and they cost a different kind of effort.

A free bet is a stake the bookmaker gives, on the understanding that the stake itself does not come back with a win. Place a £10 free bet at 3/1 and the return, if it wins, is £40 in profit, not £50 — the £10 stake is consumed. A winning £10 free bet at evens pays £10 in profit. The headline “Get £40 in free bets when you bet £20” describes two £20 tokens, each of which behaves this way. Free bets carry an expiry — seven days is the common window at the operators below — and may carry a minimum price (1/2, 4/5, 1/1 are all seen), a maximum price (50/1 is the typical ceiling) and an allowed-markets list. Straight accumulators are usually permitted; full-cover perms such as Trixies, Patents and Yankees are usually excluded. Stake return is the defining mechanic: a free bet is not a refund in cash.

A deposit bonus is a different shape. The bookmaker matches part of the deposit with bonus funds, and the bonus must be wagered before it can be withdrawn. “100% up to £50” means a £50 deposit unlocks £50 of bonus; the bonus then carries a turnover multiple — the multiple is the Commission’s cap, ten times the bonus or ten times bonus plus deposit depending on the operator’s own terms — and a minimum price for the wagering bets. This is the offer the 10x cap bites hardest on, because the multiple is the dominant cost in clearing it.

A price boost is the third shape, and it is not a bonus at all. The bookmaker raises the price of one outcome for one event; the stake is paid back with a win at the boosted price. A “Super Boost” or “Uniboost” or “Daily Special” works this way. There is no wagering requirement and no stake-return trap, because the stake is the customer’s own. The cost is on the bookmaker’s side: a boosted price is a price the margin does not normally clear, so the bettor is being paid to take a position the operator would rather not run. The ceiling on a price boost is usually small — a maximum stake in pounds, a maximum payout, sometimes both — and the offer is event-specific. It does not roll over, and there is no “free” claim to deflate.

A few hybrids complicate the picture. Acca insurance refunds the stake as a free bet when one leg of an accumulator lets the rest down; the refund is a free bet, stake not returned, with its own expiry and minimum price. An acca boost adds a percentage on top of accumulator winnings, paid in cash or in free bet depending on the terms. A Supercharge can move a price sharply higher on a single bet, as a one-off rather than a feature. Cash Out closes a bet before the event ends, at a price the operator sets in real time; it is settlement, not a promotion. Each of these has its own terms page and its own minimums.

The mechanic that matters most to the question a promo code in Britain tends to ask — what does it take to clear the offer — is the wagering requirement, and the mechanic that matters most to the value of what is won is whether the stake comes back. The Commission’s cap sets a ceiling on the first; the operator’s terms set the second.

What ten bookmakers actually offer in 2026

The ten brands below each hold a Gambling Commission remote general betting licence for Great Britain. The Commission’s public register is the source for every licence number, holder and domain cited; each operator’s own terms are the source for the offer. A position in the comparison is not a recommendation and is not a licence. Several of the brands can run under a single group licence holder; where they do, the group is named, not collapsed into one identity.

Unibet — Unibet UK, run by Platinum Gaming Limited under Commission account 45322

Unibet’s UK site carries the long-form sports welcome offer “Get £40 in Free Bets when you bet £20”: a deposit and sports bet of £20 or more at minimum odds of 2.0 (1/1), with the £40 in free bets issued and expiring within 7 days, for new GB customers funding the account by debit card or instant bank transfer. Unibet has operated since 1999. The product is broad — Bet Builder, daily Uniboosts, live streaming through Unibet TV, in-play betting, Best Odds Guaranteed on horse racing and Cash Out on thousands of markets — which gives the free-bet tokens somewhere to land other than the headline football coupon. The licence is held by Platinum Gaming Limited, Gibraltar.

The right reader for Unibet is one who values the wider product as much as the welcome — the free bets expire fast and the minimum price is steep for a free-bet-stake-not-returned mechanic, so they suit a punter who already has a market in mind rather than someone browsing. The site is licensed under the financial responsibility rules in full.

Paddy Power — Paddy Power, run by PPB Counterparty Services Limited under Commission account 39439

Paddy Power’s app leads with Bet Builder+, Popular Bet Builders, Super Sub (a bet rolls over to the replacement if a selected player is substituted), expanded Win More markets and player and ACCA stats. The brand’s house style is the price boost and the money-back special; its product surface is built for a customer who treats the app as a feed of offers rather than a sportsbook in the traditional sense. The licence is held by PPB Counterparty Services Limited.

The right reader for Paddy Power is one who likes the novelty markets and the substitutable-player mechanic that follows a live team news cycle. A reader who wants a quiet, narrow coupon will find the surface noisy.

Copybet — Copybet, run by Copybet UK Limited under Commission account 53774

Copybet’s distinguishing offer is the Acca Booster, paying up to a 100% cash bonus on accumulators of at least three selections, alongside a Daily Profit Boost of up to 15%. The two sit in different categories — the booster pays in cash on a winning acca, the profit boost is a one-off price enhancement — and Copybet’s product surface leans into both. The licence is held by Copybet UK Limited.

The right reader is one who already bets accumulators and wants the bonus to land in cash rather than as a token to chase. A reader betting singles will see less of what the brand offers.

London Bet — London.bet, run by Thistle Bet Limited under Commission account 66162

London Bet is published by Thistle Bet Limited and states it is licensed and regulated in the UK. The app carries a 17+ App Store age rating, which is a baseline rather than a feature. The product is built around UK and Irish racing and football, with a customer base that is regional rather than national. The licence is held by Thistle Bet Limited.

The right reader is one who bets within the London racing and football calendar and wants a brand that sits close to that audience. A reader looking for the broadest market catalogue will not find it here.

Betway — Betway, run by Betway Limited under Commission account 39372

Betway’s welcome offer for new UK and Ireland customers is £40 in free bet tokens (four of £10) credited on settlement of a first bet of at least £10 at minimum odds of 2.0, with a 7-day expiry and debit card deposits only. The four-token split is a feature in its own right — a customer can spread the £40 across four events rather than commit it to one — and the minimum price is the standard 1/1. The licence is held by Betway Limited.

The right reader is one who wants four separate chances to use a token rather than a single £40 shot, and who is comfortable with a 1/1 minimum that rules out the long-priced openers. The debit-card-only condition is narrower than some of the offers below.

10bet — 10bet UK, run by Blue Star Planet Limited under Commission account 43173

10bet advertises a 100% up to £50 betting bonus for UK sign-ups, with daily free bets and free spins alongside. The bonus shape — match-deposit — is the one the 10x wagering cap hits hardest, because the headline value is the bonus amount and the cost is the multiple times that amount in qualifying bets. The licence is held by Blue Star Planet Limited.

The right reader is one who specifically wants a deposit bonus rather than free bets, and who reads the wagering terms carefully. The free spins element is a casino product and, under the mixed-product ban, must be structured to keep the betting offer standalone. The headline rate is generous; the multiple is where the value is decided.

BetVictor — BetVictor, run by BV Gaming Limited under Commission account 39576

BetVictor’s product leans on regular price boosts, acca offers and free bets on selected events, with welcome offers shown in the app and governed by its customer terms and conditions. There is no single headline welcome offer carried in the App Store listing; the brand routes the offer through the app and the terms page, which means a customer reading the comparison needs to check the live terms before signing up. The licence is held by BV Gaming Limited, the same group that runs other UK sportsbooks under related licences.

The right reader is one who values a strong in-house pricing operation and the cadence of daily boosts. A reader comparing static headlines will find the comparison harder to do, because the welcome is in motion rather than printed.

Hollywoodbets — Hollywoodbets UK, run by Hollywoodbets International UK Limited under Commission account 53028

Hollywoodbets’ sports welcome offer is a stake-back as a free bet of up to £30 on the first qualifying losing accumulator — new players who deposit £10 or more by card get the refund on a first losing acca with a stake of £10 or more, three or more legs, odds of 4/1 or greater, settled within 7 days. One free bet per customer. The shape is conditional — the refund only fires on a losing first acca — which makes it a different offer from a straight free-bet welcome, and one whose headline value is contingent. The licence is held by Hollywoodbets International UK Limited.

The right reader is one who bets accumulators anyway and is comfortable taking the first bet as a stake they may lose. The headline “up to £30” is paid only on a loser at 4/1 or bigger, which is a narrower condition than the headline reads.

BetUK — BetUK, run by LeoVegas Gaming PLC under Commission account 39198

BetUK’s sports welcome offer is four £10 free bets (two football accumulators of four or more selections and two multiples of two or more) to new customers who deposit £10 or more and place a sports bet within 7 days of registering, with a 7-day validity on the free bets and opt-in required. The token allocation is split by bet type — two accas, two multiples — which steers the customer into specific market shapes. The licence is held by LeoVegas Gaming PLC.

The right reader is one who already bets football accumulators and multiples and wants the tokens aimed at those markets. A reader who bets singles or non-football markets will leave two of the four tokens with nowhere natural to land.

Sky Bet — Sky Bet, run by SBG Sports Limited under Commission account 67370

Sky Bet’s welcome offer for new customers is £30 in free bets, credited as three £10 free bet tokens after a deposit of at least £5 and a first single or each-way bet of at least 5p at odds of 1/1 or greater. The minimum qualifying bet is the smallest in the comparison at 5p, and the token split is three rather than four or two, which gives a customer three discrete chances to use the offer. The licence is held by SBG Sports Limited, the Sky-branded sportsbook operation.

The right reader is one who wants the lowest entry stake in the comparison and is comfortable with three £10 tokens rather than one. The headline rate is smaller than some, and the qualifying stake is smaller than any other offer here.

How the licensed bookmakers compare

The four matters below are the ones a comparison of promo codes needs to cover: the brand, the Commission’s licence, the licence holder, and what that operator’s own terms state on the offer at the time of writing. Other matters — payment methods, withdrawal times, the depth of in-play markets — matter to a comparison of bookmakers generally and are not the subject of this page.

Three of the ten brands are wholly or partly focused on a specific product surface — Paddy Power on novelty markets, Copybet on accumulators, London Bet on UK and Irish racing and football — and the welcome offer follows that surface. Two more, Hollywoodbets and BetUK, condition the headline on accumulator betting. The remaining five offer free bets as a token or tokens, with the headline £ amount ranging from £30 (Sky Bet) to £40 (Unibet, Betway). One brand, 10bet, runs a deposit-match bonus rather than free bets, which is the offer type the 10x wagering cap most directly applies to.

The matter that does not show in a table is what each offer costs in qualifying turnover. The next section works through that cost for the most common shape — a free-bet welcome — using the Commission’s 10x cap as the upper bound, the offer terms in the table above as the qualifying conditions, and the assumption that only the bonus amount itself is being wagered.

What a £40 free-bet welcome costs in qualifying bets

The cheapest way to frame the cost of a free-bet welcome is the qualifying bet. To unlock Unibet’s £40 in free bets, a customer deposits £20 and places that £20 as a single sports bet at minimum odds of 1/1. The £20 is the customer’s own stake, paid back with a win at the boosted or unboosted price the customer chose. There is no wagering multiple on the qualifying bet — it is a one-shot condition, not a turnover loop. The 10x cap is the ceiling the Commission has set on turnover-based bonuses, not on the qualifying stake of a free-bet welcome.

The cost shifts once the free bets are in hand. Each £20 free bet pays back winnings only — a winning free bet at 2/1 returns £40 of profit, not £60 — and expires in 7 days. If all four tokens are placed and all four lose, the cost of the welcome is the £20 qualifying stake. If all four win at the minimum price of 1/1, the gross return is £40 in profit on the four tokens, less the £20 already spent on the qualifier, for £20 of net value before any price boost or market-specific promotion the operator runs.

The 10x cap matters most for offers where the bonus is paid as bonus funds, not as a free bet. A 100% up to £50 deposit bonus at the cap means £50 of bonus and a wagering requirement of no more than £500 across qualifying bets. At a £10 stake per qualifying bet and the minimum price the operator names, that is 50 bets. Each bet must clear at the minimum price or higher to count; bets below the minimum do not contribute to turnover. The expected cost of clearing the bonus depends on the margin of the market being bet on — a 5% margin market costs £25 in expected value across the £500 of turnover; a 10% margin market costs £50.

The honest summary is that a free-bet welcome has a fixed ceiling on its cost (the qualifying stake) and a variable ceiling on its value (the price the customer gets on each token). A deposit bonus has the inverse: a fixed ceiling on its value (the bonus amount) and a variable cost (the multiple times that amount in qualifying bets at the operator’s minimum price). For a bettor comparing the two, the relevant question is not which has the bigger headline but which has the smaller gap between qualifying stake and bonus value — and for the offers listed here, that gap is roughly the free-bet amount itself, because the stake of each free bet is not returned.

A note on what is not in the calculation. The Commission’s bonus cap is a ceiling, not a floor. An operator may set the wagering requirement at any level up to ten times the bonus. A minimum price above evens rules out a class of qualifying bets and lengthens the time it takes to clear a deposit bonus. A 7-day expiry is short for a £100 turnover requirement and is the kind of condition that costs the customer more than it looks if the qualifying market has a thin weekend of fixtures. The terms page is where each of these is settled.

How to use a promo code on a British betting site

Promo codes are issued in two ways. Some operators publish a code alongside the offer on the homepage, in an email or in a paid placement; others run offers without a code at all, requiring only an opt-in on the registration form or a qualifying bet. Either way the code, where one exists, is entered during sign-up or in the cashier before deposit — not at the bet placement stage. The “code” field is a marketing attribution tool as much as it is a customer-side instruction, and entering it after the qualifying bet has been placed usually means the offer does not apply. New GB customers are the typical eligible group; existing customers are usually excluded from the headline welcome and may run their own reload, acca insurance or free-bet club terms instead.

What a free bet is worth, in pounds

A free bet is worth its face value times the edge the bettor takes on the price. A £20 free bet placed at 5/1, with a market margin of 5%, is worth roughly £20 × (5/1) × (1 − 0.05) × (1 / (5/1 + 1)) — about £16 in expected value. The exact number moves with the price and the margin; the direction does not. The bigger the price, the bigger the absolute expected value of the free bet, but the smaller the implied probability of it winning. The stake does not come back with a win, so a £10 free bet at evens is worth about £4.90 in expected value and a £10 free bet at 10/1 is worth about £8.30. The headline “£40 in free bets” therefore carries an expected value closer to £20 than to £40, and a customer who treats the headline as cash will overstate the offer.

Frequently asked questions

How are promo codes used on British betting sites?

A promo code is entered during sign-up or in the cashier before the first deposit. Most British sportsbooks now run their offers without a code, requiring an opt-in on the registration form or a minimum qualifying bet. The code, where one exists, is a marketing attribution field as much as a customer instruction, and entering it after the qualifying bet usually voids the offer. Eligibility is typically limited to new GB customers who deposit and bet by debit card or instant bank transfer, with credit card deposits excluded by the Commission’s rules since April 2020.

What is the maximum wagering requirement on a betting bonus in Great Britain?

Since 19 January 2026 the Gambling Commission has capped any wagering requirement on a bonus at ten times the bonus amount. A £10 bonus at fifty times wagering — £500 of qualifying bets — was once routine; the cap makes it impossible. A £10 bonus at the cap needs exactly £100 of qualifying bets at the operator’s minimum price. Whether the cap applies to a free bet with no wagering condition is not established in the published guidance, which names the cap and the mixed-product ban without resolving it.

What do minimum odds and the wagering requirement mean in a sign-up offer?

The wagering requirement is the multiple times the bonus that must be turned over in qualifying bets before the bonus is withdrawable. The minimum odds are the floor below which a bet does not count toward turnover. A bonus with a 10x wagering requirement and a minimum price of 1/1 needs £100 of bets at 1/1 or higher to clear; bets at 4/5 or 1/2 do not count. The two together describe the cost in time and stake of clearing the offer; the Commission’s cap is the ceiling on the first and the operator’s terms set the second.

Why is the stake of a free bet not paid back with the winnings?

A free bet is a stake the bookmaker gives on the understanding that the stake itself is consumed. A winning £10 free bet at evens pays £10 in profit, not £20. The mechanic is what defines a free bet as distinct from a real-money bet, and is why the headline “£40 in free bets” carries an expected value closer to £20 than to £40. Operators publish this in their terms; a customer who treats the stake as returned overstates the offer.

Can a sport bet be tied to a casino bonus under the Commission’s promotion rules?

No. Since 19 January 2026 the Commission has banned mixed-product promotions, defined as an offer that requires gambling on two or more product types — for example betting and casino, betting and bingo, betting and lottery. A welcome offer that hands a customer free spins in return for a sports bet, or casino credit contingent on a sports wager, can no longer be marketed to GB customers. Betting-only and casino-only offers remain; the cross-sell between them is gone.

How can it be checked that a bookmaker holds a Gambling Commission licence?

The Commission’s public register is the whole test. It is searchable by business name, trading name, domain or account number, and lists the licence categories and licence holder for every active licence. A licence entry against a remote general betting standard — real events category is the licence a sportsbook needs. A brand that does not appear, or that appears under a different name than its trading style, has not been verified against the register. The domain proves nothing: licensed operators use .com as well as .co.uk.

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