The price of a new betting app in the UK: ten brands, ten price tags

Updated October 2026

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The newest wave of betting apps pitched at British punters is not, on the whole, a cheaper wave. Newcomers spend heavily to sign customers up, and they recover that spend the same way the established bookies have always recovered it: through the margin baked into every price, through the turnover the bonus demands before it can be withdrawn, and through the small charges (a deposit fee, a withdrawal wait, a stake cap on a boosted price) that never quite announce themselves. The page below works through what each of those costs looks like on ten apps the Gambling Commission register actually lists, and where two apps look almost identical on the surface but cost very different amounts once a real bet is placed.

Data current as of 30 October 2026 and checked against the Gambling Commission’s public register of remote operating licences.

Bonuses and free bets: where the headline meets the small print

The first thing a new betting app does, almost without exception, is offer a sum of money for joining. The shape of the offer has hardened into a small number of templates, and once the template is recognised the cost question becomes a question about the template’s conditions rather than the brand behind it.

A deposit-match bonus credits bonus funds equal to a percentage of the first deposit, and the credited funds stay bonus funds until they have been turned over a set number of times. A £30 bonus with a 10x wagering factor takes £300 of placed bets before any profit can be withdrawn; a £50 bonus at 5x takes £250. The £30-at-10x package looks the smaller number on screen and is, in turnover, the larger one. This is the exact trap that the Commission’s January 2026 cap on wagering requirements is built to discourage, and it is the one the rest of the conditions quietly decide. The cap sits at 10x: a £10 bonus at 50x used to need £500 of bets, and after the cap the same package would be limited to £100 of bonus. Free bets with no wagering condition are not, on the materials reviewed, established to be inside that cap one way or the other, and a reader who cares about the distinction should look at the operator’s terms.

A free bet is the second template. The stake is not paid back with a win: a £10 free bet at odds of 4.00 returns £30, not £40, because the £10 stake never comes back. A bookmaker that describes a free bet as “risk-free” is, in almost every reading, returning the stake as another free bet rather than as cash, and the second free bet then carries its own expiry, its own minimum price and its own market restriction. The phrase “risk-free” should always be read against the question “if the bet loses, what is refunded, in what form, and how quickly does it expire.”

A price boost raises the advertised odds on a chosen selection. The selection is almost always restricted to a specific market, often the in-play market, and the stake is almost always capped, sometimes at £5, sometimes at £20, sometimes as a fraction of the qualifying stake. A boost from 5/1 to 10/1 looks generous on screen; a £5 stake cap and a one-event-only window make it a very small amount of money in absolute terms.

An accumulator insurance refunds a stake, again as a free bet, if one leg of a named accumulator loses. The qualifier is usually a minimum of four legs, the minimum odds are usually evens (2.00) per leg, and the refunded stake is itself capped. The cost to the punter is twofold: the accumulator’s natural margin, which is the multiplied margin of every leg, and the qualification cost of the insurance, which removes several otherwise plausible shorter-priced selections from the bet.

A bet builder / new-customer package wraps several of these into one larger offering — a free bet plus a boosted acca plus a slot-machine giveaway. Since 19 January 2026 such mixed-product promotions are banned at GB-licensed operators, so a “bet on football to get free spins” package no longer appears in the market; a free-bet plus an acca insurance is still permissible because both elements sit on sports betting. This is the kind of detail that explains why a similar-looking headline can mean quite different things on two different apps.

The arithmetic that ties the headline to its cost is not complicated, and it rewards being done on paper. The value of a free bet whose stake is not returned is the free-bet amount times (odds minus 1) divided by odds, multiplied by the payout share of the market it is used on. The turnover the bonus demands is the bonus base times the wagering factor, divided by the stake per qualifying bet. Every one of these figures is printed somewhere on the app’s terms; the question is whether the punter does the multiplication before claiming the bonus or after.

The mobile app: what runs, what lags, what is missing

A betting app is a piece of software, and the cost of a piece of software is the gap between what its store listing says it does and what it actually does on a particular handset on a particular network on a particular evening. Reading the listing well saves the punter an uninstall.

Three things matter, and they matter in roughly this order.

The first is how the bet is actually placed. An app that buries the stake box under three taps, hides the cash-out button inside a sub-menu, and requires the punter to confirm the odds one extra time on a sluggish 4G connection is not the same product as its listing claims. Live betting punishes lag hardest: a 1.50 odds movement on a tennis break point happens in two seconds, and an app that takes four seconds to register the tap has already lost the price. The punter’s defence against this is to place a stake on the app under no real-money conditions during a quiet hour, and to note exactly which screens take a tap and which take a wait.

The second is whether the listing’s features survive the login. A listing that promises live streaming on UK and Irish horse racing may well deliver it after a deposit; it may not deliver it on the first morning after sign-up, before the verification check has completed. Bet Builder, cash out, in-play and boosted odds are the four features that most often appear in the marketing copy and most often degrade in practice. The punter’s defence is to read the operator’s own terms page for each feature, rather than the store listing, because the terms page is where the restriction lives.

The third is what the app asks of the handset. Face ID or Touch ID login, push notifications for boosted prices, and live streaming on a long-distance train are the three settings that meaningfully change the experience. A Face ID login means the app does not have to type a password twenty times a day. Push notifications, switched on, deliver the price boost at the moment it goes live, which is the entire point of a price boost. Live streaming at 30 frames per second on a moving train is a real test of a mobile network; an app that streams well at home and stalls on a commuter line is not unusual.

A second cost, easier to miss, sits underneath these three: the size of the app on the handset. A casino-heavy app with hundreds of slot-machine titles, a poker client, a sportsbook and a bingo room installed in one download is well over 300 MB. The punter who has just paid £800 for a 64 GB phone notices this on the second install; the punter who has just paid £1,200 for a 256 GB phone does not. The other quiet cost is battery drain during a long in-play session on a hot day, and the apps that draw the most are also the ones that stream the most.

A third cost is the accessibility of the safer-gambling tools inside the app. A licensed British app is required to expose a deposit limit, a time-out, a self-exclusion option and the GAMSTOP link somewhere inside the account, and it is supposed to do so without burying them under three menus. The punter who actually wants to set a weekly £50 deposit cap should be able to find that control in under a minute, and the apps that make it harder than that should be approached with the awareness that they make it harder on purpose.

The landscape: ten licensed apps compared

The table below is a snapshot of the ten brands reviewed on the rest of this page. Each is listed on the Gambling Commission’s public register of remote operating licences; each is named here by its public brand and not by its parent company, because two brands can run under one licence (Ladbrokes and Coral both sit under LC International Limited, for example) and the brand name is what the punter actually downloads. The licence-holding entity is included because it is the legal entity the register names, and the entity is the one the punter has a contract with when a withdrawal is disputed.

A licence number on this page does not make a brand safer than an unlicensed brand, and it does not make a brand better at offering a price. It makes a brand subject to the Gambling Commission’s licence conditions, the LCCP social responsibility code, GAMSTOP, the £150 financial vulnerability check at the trigger point, and the Commission’s complaints route when funds are withheld. The punter who lives inside those protections should not romanticise them — they cost the punter a name, an address, a date of birth and a debit card — and the punter who wants none of those protections has a small number of offshore options that the page below does not name, because the page is about the licensed set.

Overview: what “new” means at a UK bookmaker in 2026

“New” is a soft word in the British sports-betting market, and the soft edges matter. A brand new to the British market in 2026 is not necessarily a brand new to betting; it may be a brand that has operated in another country for a decade and has just taken out a Commission remote licence for Great Britain. It may also be a brand that has held a Commission licence for years and has just shipped a brand-new app to replace an old one. Both kinds of “new” are reviewed below, because the cost question for the punter is the same: how much does the app take, in margin and in turnover, before any of it can be withdrawn.

A bookmaker who wants to take bets from customers in Great Britain needs a remote operating licence from the Gambling Commission, and it has needed one, wherever the operator is based, since the Gambling (Licensing and Advertising) Act 2014 brought the point of consumption into the Act. A Curaçao licence or a Malta Gaming Authority licence does not substitute. The Commission’s public register lists every brand, trading name and domain against its licence number, and the register is the whole test of who holds one. A punter who wants to verify a brand should search the register by business name, by trading name, by domain or by account number, and the search result should match the licence number the operator publishes in its app or on its website. A mismatch is the only finding that matters.

A punter who has a complaint about a licensed brand that the brand itself will not resolve can take the matter to an approved alternative dispute resolution provider, and from there to the Commission’s complaints process. A punter who has a complaint about an unlicensed brand has none of those routes, because the Commission’s jurisdiction is over its own licence-holders. Funds withheld by an unlicensed brand are recoverable through the courts of the brand’s home jurisdiction, which is a different and usually slower matter.

Legality and regulation: where the rules actually bite

The Gambling Commission is a non-departmental public body sponsored by the Department for Culture, Media and Sport. It regulates the commercial market under the Gambling Act 2005, which covers Great Britain — England, Scotland and Wales. Northern Ireland sits outside the 2005 Act and runs on older legislation, so a “GB-licensed” operator is licensed for the three Great Britain nations and not for Northern Ireland; the distinction is not a marketing flourish, it is the boundary of the Act itself.

The Commission licences operators in five categories relevant to a punter installing a sports-betting app: remote general betting standard (real events), remote general betting standard (virtual events), remote general betting limited, remote pool betting and remote betting intermediary (the licence a betting exchange runs under). Each app on the page above carries one of these categories on the register, and the category is the legal scope of what the operator is licensed to offer. An operator licensed for real events does not, by virtue of that licence, run a virtual-events product; the second category is a separate licence.

Betting in Great Britain is age-restricted to 18 and over, and the restriction is enforced before the first deposit. The Commission has required full identity verification (name, address and date of birth) at sign-up since 7 May 2019, and the verification runs even on a free bet or a no-deposit bonus. There is no anonymous play at a licensed British site, and the price of “licensed” includes this verification step whether the punter wants it or not.

In-play betting is offered by GB bookmakers and regulated by the operator’s licence conditions and customer-protection duties; it is not statutorily unrestricted, and a claim that “in-play is unrestricted at licensed UK bookmakers” reads as a marketing line that should not be relied on. The Commission’s view of in-play is that it must be offered with the same safer-gambling controls as pre-match betting, and the operator’s own rules are the place to read what that means in practice.

Credit cards are banned for gambling in Great Britain, including credit-card-funded payments through an e-wallet, since 14 April 2020. Debit cards, bank transfers and a defined set of e-wallets are not covered by that ban. There is no state list of permitted payment methods; the list is the operator’s, and a method that works on one licensed brand’s app may not work on another’s.

The betting duty the player pays is, on the materials reviewed, nil: a punter in Great Britain does not pay tax on betting winnings, and the General Betting Duty the press reports is the operator’s tax, currently 15% on most bets and rising to 25% on remote bets (other than on UK horse racing) from 1 April 2027. Whether the operator passes any of that duty through into lower odds is not established on the public record; the punter reads the published odds and does not assume the duty is added on top.

The marketing code the Commission’s LCCP works alongside is the CAP Code (non-broadcast) and the BCAP Code (broadcast), enforced by the ASA. The codes restrict who can appear in an advertisement (no one who is, or looks, under 25 may be featured gambling, with an exception for the in-betting-shop context) and how an offer may be advertised. Since 19 January 2026 the LCCP also caps wagering requirements at 10x and bans mixed-product promotions. The 10x cap is a recent change; the rules and what they cover continue to evolve.

The enforcement arm of the Commission works by disruption rather than by blocking. Cease-and-desist notices, search-engine referrals, work with registrars, hosting providers and payment providers, and (announced, staged, with no start date) court-order DNS blocking powers — these are the tools, and a claim that “ISP blocking is in operation” should not be repeated without a current citation. A punter who reaches an unlicensed brand through a normal search has not, in itself, broken any rule; the rule is aimed at the operator providing the service.

Responsible gambling: the cost of the controls

The safer-gambling controls a licensed British bookmaker is required to offer are not free to the punter, and the cost is worth understanding before a punter installs the app.

GAMSTOP is the national multi-operator online self-exclusion scheme. It is a mandatory licence condition for online operators since 31 March 2020, and every app reviewed on this page is a GAMSTOP member. A punter who registers with GAMSTOP cannot open a new account at any GB-licensed online operator for the chosen period — six months, one year, five years or five years with auto-renewal — and after the minimum period the exclusion stays in place for a further seven years unless the punter asks GAMSTOP to remove it. GAMSTOP covers online sites and apps; the separate retail self-exclusion scheme covers betting shops. A punter who wants to bet again after the minimum period has to make a positive request to GAMSTOP, and there is a 24-hour cooling-off period before the request is processed.

Deposit limits are the customer’s choice, not the state’s: there is no statutory deposit ceiling for betting in Great Britain. The Commission does require operators to offer a gross deposit limit on a fixed time frame, and the phased implementation has begun (a first phase since 31 October 2025, a second phase postponed to 30 September 2026), but the limit itself is the customer’s. A £50 weekly limit, set on a Tuesday, prevents a deposit on a Wednesday regardless of how the operator markets its welcome offer.

Financial vulnerability checks have applied since 30 August 2024. When a customer’s deposits minus withdrawals exceed £150 in a rolling 30 days, the operator runs a public-record check (bankruptcy, county court judgments) — not a credit reference check, not an income check. The check costs the punter a small delay and a small piece of information shared with a public-records database. The financial risk assessments the press calls “affordability checks” have been announced in a staged plan (Commission article of 7 July 2026) and have no start date; a punter who reads a press article saying “affordability checks are now in force” should look for the Commission’s own statement before believing it.

Time reminders, time-outs and self-exclusion are the standard suite every licensed app exposes inside the account. The punter who actually wants these should be able to set them inside the app without phoning customer service; an app that requires a phone call or an email to set a deposit limit is making the limit harder than it has to be.

The help behind the controls is run by GamCare (which operates the National Gambling Helpline), GambleAware, the NHS gambling clinics network and Gamblers Anonymous. A licensed app is required to link to these in its safer-gambling section; the punter who cannot find the links inside the app should treat that as a finding and a reason to look elsewhere.

A final point, easy to miss: the safer-gambling controls run on GB-licensed apps. The moment a punter uses an unlicensed app, the controls do not travel with the bet, and the punter is in a market without GAMSTOP, without the £150 vulnerability check, without the 10x bonus cap and without the British complaints route. The cost is not only the absence of a refund when the operator withholds funds; the cost is the absence of every British control the licensed set would otherwise have provided.

The ten brands, in order

Matchbook — exchange pricing, casino ballast

Matchbook runs on a betting-intermediary licence, which makes it an exchange rather than a traditional bookmaker, and the cost on an exchange is structurally different from a bookmaker’s. The exchange takes a commission on net winnings, the size of which is on the operator’s terms, and the prices on an exchange are set by backers and layers rather than by the operator. A 5/1 shot on a traditional bookmaker carries the bookmaker’s margin on top of the 5/1; the same selection on an exchange carries only the small commission on winnings. The cost the punter does not see is the thin liquidity on smaller events: a £50 stake on a fourth-tier tennis match may sit unfilled for half an hour, and a price the punter wanted two seconds ago may be gone.

The Matchbook app also carries a casino — slots, live casino, jackpots, table games — and the casino’s presence in the same app changes the kind of marketing the punter sees. Push notifications for casino offers are not, on the materials reviewed, established to be separable from sports notifications, and the punter who wants the betting side only is paying a small cost in attention for the casino side they did not ask for. The casino’s house edge is, of course, a different proposition from a bookmaker’s overround, and a punter who does not understand the difference should not be playing either.

The verdict: a useful tool for the exchange enthusiast comfortable with an order book; less suited to the punter who prefers a traditional sportsbook interface.

Fitzdares — premium pricing, deep racing markets

Fitzdares holds a real-events general betting licence and lists cash out, accumulators, Lucky 15s, specials and antepost markets on horse racing, football, tennis, rugby, cricket, golf and American football. The racing depth is the standout feature on the materials reviewed: antepost markets on the major festivals, place terms that match the high-street firms, and the same kind of specials the long-established British bookmakers have traditionally offered.

The cost question on a premium-priced bookmaker is whether the better place terms and the deeper antepost list are worth a margin that is, on average, higher than a mainstream firm’s. The answer varies race by race and football match by football match, and the punter’s defence is to compare the price on three or four of the day’s bigger selections against one of the comparison sites. A bookmaker that consistently sits three or four ticks longer on Saturday morning favourites is worth the install; a bookmaker that sits shorter on most things is paying for the brand name out of the punter’s pocket.

The verdict: a strong option for the racing specialist who monitors place terms; not necessarily the optimal choice for the casual Saturday football bettor.

Betway — wide coverage, mainstream pricing

Betway’s app carries live in-play betting, live streaming, Bet Builder, full and partial cash out, Betway Boosts, eSports markets and coverage of more than thirty sports. The feature set is broader than most of the apps on this page and the pricing is, on the materials reviewed, in the mainstream bracket rather than the premium bracket. A punter who bets on eSports and on the European football leagues in the same week will not need to install a second app.

The cost of a wide-coverage bookmaker is the depth it does not have. The specials menu is thinner than a high-street racing firm’s, the antepost racing list is shorter than Fitzdares’, and the casino product is not part of this app. A punter who wants a single app that does everything reasonably well pays a small margin premium over a specialist; a punter who wants the deepest price on a specific niche pays in additional apps.

The verdict: a sensible default for the punter who does not want to run four apps side by side; not a price-leader on any one sport.

Midnite — acca builder, rapid payouts

Midnite runs on a real-events general betting licence and the app surfaces in-play events, an acca builder, popular accas and price boosts with maximum-stake limits. The two phrases that recur in the listing are “weekly rewards clubs” and “rapid payouts”; the first is a loyalty scheme, the second is a payment promise. The licensed entity is Dribble Media Limited on the App Store listing, and the licence number (101839) is on the Commission’s register against Midnite Limited.

The cost on a brand that markets “rapid payouts” is the payment method’s own cut. A debit-card withdrawal that arrives next-day rather than three-day later is a real convenience; a withdrawal that arrives instantly to an e-wallet and incurs the e-wallet’s small fee is a different proposition. The punter who values speed pays either in fees or in the payment-method restriction, because the rapid-payout method is rarely the cheapest one. A punter who wants the speed should not also expect the cheapest fee, and the marketing should be read with that trade-off in mind.

The verdict: a good choice for the accumulator bettor who prioritizes payment speed; not the ideal app for the racing or casino specialist.

BetTom — multilingual app, mainstream product

BetTom is published by Bet Tom Limited and ships in English, Croatian, Dutch, French, German and Turkish, with a 17+ App Store age rating. The licensed entity is Bet Tom Limited on the Commission’s register. The product on the materials reviewed is a mainstream real-events bookmaker with no feature that distinguishes it from the long-established British firms on the same shelf; the multilingual app is the differentiator.

The cost on a mainstream bookmaker with no obvious edge is the standard mainstream cost: the same kind of margin the next app charges, the same kind of welcome offer, the same kind of price boost. A punter who chooses BetTom for the language rather than for the price is paying in price for the language, and the trade-off is reasonable if the language matters and unreasonable if it does not.

The verdict: a reliable multilingual option; it is not the most competitive choice on price alone.

888sport — long-established, push-heavy marketing

888sport’s app carries push notifications for promotions and lists responsible gambling resources in the app, and the licensed entity is 888 UK Limited on the Commission’s register. The 888 brand has been licensed in the British market for years, and the app has been refined over multiple versions; the cost on a long-established app is that the marketing notifications are also long-established, and a punter who does not switch them off is paying a small attention cost for every notification.

The price question on a brand that is more than ten years old is whether the pricing has kept up with the newer firms. The answer varies by sport and by event, and the comparison is the punter’s. A bookmaker whose prices on Premier League matches sit consistently behind two or three newer firms is paying for its brand recognition out of the punter’s pocket, and the punter who knows the difference installs the cheaper app alongside.

The verdict: a dependable mainstream option for the punter who already has an account; not the first install for the price-comparison punter.

Tote — pool betting, World Pool access

The Tote is published by UK Tote Group Ltd on the App Store and offers Placepot, Jackpot, Scoop6 and Quadpot bets, plus World Pool and international pools (French PMU, US, Hong Kong). The licensed entity is TDCO Limited on the Commission’s register. Pool betting is a different proposition from a bookmaker’s fixed odds: the punter is betting into a pool with other punters, the dividend is declared after the race, and the bookmaker’s margin is replaced by the pool’s take, which is on the operator’s terms.

The cost on pool betting is the take, which sits somewhere on either side of 25% depending on the pool and the meeting, and the lack of a fixed price. A punter who wants to back a 20/1 shot at 20/1 has a real edge on a pool; a punter who wants to back an odds-on favourite has the same edge less reliably, because the favourite’s pool dividend depends on the staking of the rest of the field. The Tote is not a substitute for a fixed-odds bookmaker; it is a complement to one, and the punter who treats it as a substitute is paying in unpredictability for the larger dividend on the long shot.

The verdict: a valuable companion app for the racing enthusiast with an existing fixed-odds account; it lacks the breadth of a main sports betting provider.

Smarkets — exchange, two-factor login

Smarkets runs on a betting-intermediary licence and the app carries two-factor authentication, live charts and an order-book view, a quick trade-out option and a 24/7 live chat. The licensed entity is Smarkets (Malta) Limited on the Commission’s register. The exchange proposition is the same as Matchbook’s in shape: backers and layers set the price, the operator takes a commission on net winnings, and the bookmaker’s margin does not apply.

The cost on an exchange is the commission rather than the margin, and the punter’s defence is the same — check whether the exchange’s price plus commission is better than the bookmaker’s price. Two exchanges can carry different prices on the same event, and a punter who runs both apps side by side is paying in screen real estate for the comparison. Two-factor authentication is a real safety improvement and a real cost: a one-time code on every login is a tap the punter has to do.

The verdict: a serious second app for the price-comparison punter; not the right first install for a punter new to exchanges.

London Bet — wide sport list, casino-heavy app

London Bet is published by Thistle Bet Limited and the app combines football, tennis, horse racing, greyhounds, darts, golf, cricket, NFL, NBA, MLB and snooker with Pragmatic Play casino slots and live in-play betting. The licensed entity is Thistle Bet Limited on the Commission’s register. The App Store age rating is 17+, and the app states it is licensed and regulated in the UK.

The cost on a casino-heavy bookmaker app is the casino’s house edge, which is not the same thing as a sports margin and which can be much larger. A punter who installs the app for the sports and finds the casino on the home screen is paying an attention cost in casino marketing notifications, and a punter who also plays the casino is paying the house edge. The mixed-product restriction that took effect in January 2026 prevents the operator from tying the two together at the promotion layer, but it does not prevent the operator from putting them together in the same app.

The verdict: a broad option for the punter who wants variety; it may not satisfy those seeking a dedicated, sports-only environment.

Ladbrokes — high-street heritage, large user base

The Ladbrokes Sports Betting App is published by Entain Operations Limited and carries 4.66 stars from 101,255 ratings in the GB App Store, the largest review base on this page. The licensed entity is LC International Limited on the Commission’s register. The Ladbrokes brand has been licensed in Britain since long before the Commission existed, and the app carries the high-street firm’s racing depth plus a mainstream sportsbook plus a casino.

The cost on the long-established firm is the same as the cost on any other mainstream firm: the standard margin, the standard welcome offer, the standard price boost. The advantage is the sheer weight of users behind the brand, which means the in-play markets are liquid, the cash-out prices are available on smaller events, and the specials are deep enough to clear a Saturday. The disadvantage is the size: a large app with a casino and a sportsbook and a poker client and a virtual sports section is a heavy download, and the punter who wants only the sportsbook is paying the size cost for everything else.

The verdict: a solid, established choice for those valuing heritage and a broad range of products; those seeking maximum performance or the most competitive odds might prefer a leaner app.

Frequently asked questions

What should I look for in a new sports betting app?

The first thing to check is the licence number on the Gambling Commission’s public register, because the licence is what unlocks every other right a named puntyer has. Once the licence is verified, the practical checks are the four features that degrade most often in practice — Bet Builder, cash out, in-play and boosted odds — and the punter should test each one before depositing. The safer-gambling controls (deposit limit, time-out, self-exclusion) should be reachable in under a minute, and the payment method list should include a method the punter already uses. A welcome offer should be read against the turnover it actually demands, not against the headline number.

How can I check that a bookmaker holds a Gambling Commission licence?

The Commission’s public register can be searched by business name, trading name, domain or licence account number. A match between the licence number on the operator’s site or app and the number on the register is the test; a mismatch is the only finding that matters. The register lists the licence categories (real events, virtual events, pool betting, betting intermediary) and the legal entity the licence is held by, and the entity is the legal party the puntyer has a contract with when a withdrawal is disputed. There is no charge for the search and no limit on the number of searches a puntyer can run.

How is the return on a bet worked out from the stake and the odds?

The return is the stake multiplied by the decimal odds: a £10 stake at odds of 4.00 returns £40 in total. The profit is the stake multiplied by (odds minus 1): a £10 stake at 4.00 returns £40 in total, of which £30 is profit and £10 is the returned stake. For a combination bet (an accumulator) the odds of the legs multiply together: a treble at 2.00, 3.00 and 4.00 carries combined odds of 24.00, so a £10 stake returns £240 in total and £230 of that is profit. The bookmaker’s margin is already inside the odds, which is why an accumulator’s natural margin is higher than a single’s.

What is the bookmaker’s margin and how can it be seen in the odds?

The margin is the slice of every pound staked that the bookmaker expects to keep on a particular market; the payout share is the slice the bookmaker expects to return. The two add to 100%. On a tennis (W) match priced at 1.80 and 2.20, the payout share is 1 ÷ (1/1.80 + 1/2.20) = 56.2%, so the margin is 43.8%. A margin of 5% on a mainstream Premier League 1X2 is a sharp line; a margin of 8% on a tennis match is a normal one; a margin of 12% on a lower-tier event is also normal. The lower the margin, the more of every pound staked is paid back to punters on average.

How do fractional odds such as 5/1 convert to decimal odds such as 6.00?

Fractional odds a/b convert to decimal by a ÷ b + 1: 5/1 becomes 5 ÷ 1 + 1 = 6.00; 11/4 becomes 11 ÷ 4 + 1 = 3.75; evens (1/1) becomes 1.00 + 1 = 2.00. The conversion works the same way for odds-on prices: 4/6 becomes 4 ÷ 6 + 1 = 1.67. A punter who reads prices in decimal and the operator’s site displays prices in fractions can do the conversion in their head for the common lines and should check the conversion for the less common ones, because a rounding error in the conversion is a rounding error in the punt.

Which tools for controlling play does a licensed bookmaker have to offer?

Every licensed British bookmaker has to offer a deposit limit (a fixed time-frame limit the puntyer can set themselves), time reminders during a session, time-outs (a short break from the platform) and self-exclusion (a longer break, from six months to five years with auto-renewal). GAMSTOP is the national self-exclusion scheme that covers every GB-licensed online operator and that blocks the opening of new accounts across the whole licensed set for the chosen period. A financial vulnerability check (a public-records check, not a credit check) runs once deposits minus withdrawals exceed £150 in a rolling 30 days. Help behind the controls is run by GamCare, GambleAware and the NHS gambling clinics.

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