The Best UK Betting Sites for Bet Builders in 2026

T&Cs: 18+. Min deposit requirement. Free Bets are paid as Bet Credits and are available for use upon settlement of bets to value of qualifying deposit. Min odds, bet and payment method exclusions apply. Returns exclude Bet Credits stake. Time limits and T&Cs apply. Registration required.

T&Cs: New customers only. First single & E/W bet only. Odds of 1/1 or greater. 3 X £10 bet tokens. Free bet stakes not included in returns. Free bets exclude virtuals. Free bets are non withdrawable. Free bets expire after 30 days. Eligibility restrictions and further T&Cs apply. 18+ #ad. http://GambleAware.org

T&Cs: New Customer offer. Place a min £10 bet on Football on odds of min 1.5 (1/2), get £50 in Free Bet Builders after the qualifying bet has been settled. Rewards valid for 90 days. Only deposits via cards & Apple Pay will qualify. T&Cs apply. Please Gamble Responsibly. T&Cs apply. 18+ #ad. GambleAware.org

T&Cs: Place a min £10 bet on Sportsbook on odds of min EVS (2.0), get 5x £10 in Free Bet Builders, Accumulators or multiples to use on any sport. Rewards valid for 30 days. Only deposits via Pay by Bank, Apple Pay or Debit Card will qualify. T&Cs apply. Please Gamble Responsibly.

T&Cs: 18+. Play Safe. Online only. For new UK register customers using promo code G40. Deposit & place £10 cash single bet (min odds 1/2) on sportsbook (excl. Virtuals). Get £40 in Free Bets (4x£10), valid for sportsbook (excl. Virtuals), 7 days expiry, must use in full (£10 each). Not valid with deposits via PayPal, Neosurf, Paysafe, Apple Pay, NETELLER, Skrill, ecoPayz, Kalibra/Postpay or WH PLUS Card. One per customer. Full T&Cs apply. www.gambleaware.org #ad

T&C’s: New cust. Deposit £10+ in 7 days & bet on sports. Min odds apply. Reward = 4 x £10 Free Bets (2 x £10 Bet Builders & 2 x £10 Sports bet). Valid 7 days. Free bets not valid on e-sports & non UK/IE horse racing. 18+. T&Cs apply. GambleAware.org

T&Cs: 18+. New customers only. Register, deposit with Debit Card, and place first bet £10+ at Evens (2.0)+ on Sports within 7 days to get 3 x £10 in Sports Free Bets & 2 x £10 in Acca Free Bets within 10 hours of settlement. 7-day expiry. Eligibility exclusions & T&Cs Apply. Eligibility & payment exclusions apply. Full T&Cs apply. GambleAware.org

18+. GambleAware.org . New GB customers only. Opt in. Deposit and Bet £10+ on sports at min odds of 2.0+ (1/1) for £30 in Free Bets within 7 days. Debit cards or instant bank transfers only. Free bets expire within 7 days of issue. Geographical restrictions and T&C’s apply.

T&Cs: 18+ New customers only. Opt in and bet up to £40 (min. £20) via mobile or app on any football (odds 1/1+) within 7 days of registration. Get up to £40 in free bets on selected markets, which expire in 7 days. T&Cs apply. GambleAware.org | Please gamble responsibly

T&Cs: 18+ New customers only. Place a £10+ bet at min odds 1/1 (2.0) within 14 days of sign-up. Get £30 in Free Bets, valid for 7 days on selected bets only. Free stake not returned with winnings. T&Cs apply. Gamble Aware

T&Cs: 18+. New UK customers (Excluding NI) only. Min Deposit £10. Min stake £10. Min odds Evs. Free bet applied on 1st settlement of any qualifying bet. 30 days to qualify. Free bets expire in 7 days. Cashed out/Free Bets won’t apply. Account & Payment method restrictions apply. 1 Free Bet offer per customer, household & IP Address only. 18+. T&Cs apply.

*New members only. £10+ bet on sportsbook (ex. virtuals) at 1.5 min odds, settled within 14 days. Free Bets: accept in 7 days, valid 7 days on sportsbook only. 2x£5 Free Bets for Bet Builder only. Stake not returned. T&Cs + deposit exclusions apply. Bet Responsibly. GambleAware.org. 18+.

T&Cs: 18+ New Customers. Opt in, deposit and bet £10 on any football (odds 1/1+) within 3 days of sign up. Get 3x£10 Free Bets for set football markets. Bonuses expire in 14 days. Full T&Cs Apply. GambleAware.org . Please gamble responsibly.

T&Cs: New customers only. Bet £10+ to receive £10 in Free Bets. 7-day free bet expiry. Stake not returned. Promotional Terms Apply. 18+. GambleAware.org.

T&Cs: New players. Choose bonus at signup. Wager bonus 10x. Deposit used 1st. Any withdrawals void bonus. Valid 30 days. Odds, bet & payment limits. T&Cs apply. 18+.

T&Cs: New customers online only. Eligibility restrictions apply. Bet min of £10 at odds of 1/1 (2.0) or greater across sports or racing (if EW then min £10 Win + £10 Place) within 7 days of registration. Receive £20 Tote Credit and £10 Free Sports Bet. Qualifying bet is the first racing pool or sports bet added to the bet slip. 7-day expiry. 18+. Full T&Cs apply. Gambleaware.org .

T&C's: 18+ New UK+ROI Customers only. Certain deposit methods & bet types excluded. Min first £5 bet within 14 days of account registration at min odds 1/2 to get 6 x £5 free bets (selected sportsbook markets only, valid 7 days, stake not returned). Restrictions + T&Cs apply.

T&Cs: 18+ New customers only. Opt in, bet £10  or more on any football market at minimum 1/1 odds within 7 days of registration. No cash out. Get £30 in Free Football Bets, selected markets. Free Bets expire in 7 days. T&Cs apply. GambleAware.org | Please gamble responsibly.

T&Cs: New UK customers only. Minimum first deposit of £10. Place a £10 bet at minimum odds of 2.0 to receive £40 in Free Bets within 48 hours. Restrictions apply. Full T&Cs apply. 18+. GambleAware.org .

T&Cs: New Players Only. Free bet - one-time stake of £30, min odds 1.5, stake not returned. 1X wager the winnings. Wager from real balance first. Wager calculated on bonus bets only. Max conversion: £200. Valid for 7 Days from receipt. Limited to 1 sport & 5 casino brand/s within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply. 18+. GambleAware.org

T&Cs: 18+ New UK+ROI Customers only. Certain deposit methods & bet types excl. Min first £10 bet within 14 days of account reg at min odds 1/2 to get 5x £10 free bets. Free bets available to use on selected sportsbook markets only. Free bets valid for 7 days, stake not returned. Restrictions + T&Cs apply.

T&Cs: New UK customers only. The qualifying bet should be either a Single or Acca (2+ selections) bet, start at £20, have 1.9 or greater odds and must be settled within 7 days of opt-in. The Free bet include: 1 x £20 Free bet any Live or Pre-Match event. Max payout – £500. 7-day expiry. To unlock the offer, complete the first deposit via the banking app secured by Truelayer. Profit boost: One boost per day; claim required. 1 day to claim (by 23:59 UTC+3). Max stake £30. Single bets only. No Free Bets. Profit Boost valid for 24 hrs. Max payout £1,000. Credited within 24 hrs. 18+. GambleAware.com

T&Cs: 18+, New customers only. Opt in, deposit & bet £10 on any sports (odds 2.00+) in 7 days. No cash out. Get 4x£5 sports free bets for set markets (odds 2.00+), which expire in 7 days. T&Cs Apply. GambleAware.org | Please gamble responsibly

T&Cs: Place a £10 fixed odds single or £10 each-way bet at minimum odds of 1/2 and get 3 x £10 free fixed odds bets, 3 x £5 Total Goals football spread bets and 3 x £5 Winning Favourites spread bets and a £1 racing Race Index spread bet. 18+. GambleAware.org

T&Cs: New UK customers. 18+ only. Min £10 dep. In 5 days of first deposit, place a £10+ bet at min 1.50. No Multis/EW. Credited in 48 hrs; valid 7 days. T&Cs apply. Ends 1/1/27. GambleAware.org

T&Cs: 18+. New customers only. Place a minimum £40 bet on any selection with minimum odds of Evens (2.00) and receive 4x£5 Free Bets. Free bets expire after 24 hours. GambleAware.org . T&Cs & Maximum Pay-Outs Apply. #ad

Applies to new UK/IRE customers who sign up with promo code AKACCA100. Place your first bet as a multiple (minimum 3 selections) and AK Bets will boost the profit gained on that initial bet by 25% in the form of a Free Bet up to a value of £100. 18+ | GambleAware.org

T&Cs: New Players Only. Min £10 qualifying bets, stake not returned. Free bet - one-time stake of £30, min odds 1.5, stake not returned. 1X wager the winnings. Wager from real balance first. Wager calculated on bonus bets only. Max conversion: £200. Valid for 7 Days from receipt. Limited to 1 sport & 5 casino brand/s within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply. 18+. GambleAware.org

T&Cs: 18+ New UK Customers Only. Bet £10+ on any sportsbook markets at odds of evens (2.00) or greater. No cash out. Get 50% back of your first day’s losses (from first bet settlement until 23:59) as a Free Bet up to £25, valid for 7 days. Min. 3 bets on different events required, with 2 bets being at least 50% of your largest stake. Place at least 1 bet of £10+ at odds 2.00+ to receive a £5 Free Bet even if your account is up or losses are under £5. T&Cs Apply. GambleAware.org

T&Cs: New customers only. To qualify for free bets, the new user must place and settle £20 on easyBet markets. The user must bet on at least 2 different events to qualify. The user must place and settle bets at odds of 2.0 or more. An event is classed as two different sporting events. Bets can be placed on singles, multiples and Bet Builders. The user must place and settle bets before the closing date of the promotion to qualify. Users making their first deposit by Skrill, Neteller or PaySafe card will not qualify for this promotion. T's and C's Apply. Gamble Aware. 18+

T&Cs: 18+. New customers only. Registration required. Valid on your first combo bet (minimum 3 selections, minimum odds of 1.40 per selection, minimum bet of £5). If you lose, you receive a 100% refund up to £30 as Free Bet. Free bet valid for 7 days. The Free Bet can be used on a combo bet with at least 3 selections, minimum odds of 1.40 per selection and maximum odd of 6.00, all sports, excluding horse racing and virtual sports. Gambling can be addictive. Terms & Conditions apply. Please play responsibly. GambleAware.org

T&Cs: New Players Only. Sign Up with Bonus Code: NEW30. Bet and Settle 1x£10 Bet on Matchbook Exchange at odds of 2.0 or more. Bet and Settle 1x£10 Bet on a Bet Builder or Multiple at odds of 3.0 or more, with min 3 selections. Within 72 hours of Qualifying Bets settling user will receive 1x £10 Exchange Free Bet, 1x £10 Multiples Free Bet, and 1x £10 Bet Builder Free Bet. Users making their first deposit by Skrill, Neteller or PaySafe card will not qualify for this promotion. 18+ Only. T’s and C’s Apply. Gamble Aware.

T&Cs: New customers only. Sign up using promo code b20g10. Deposit and place a minimum £20 bet with minimum odds of evens (2.00) and receive a £10 free bet upon bet settlement. Free bet expires after 7 days. 18+. GambleAware.org . Full T&Cs apply.

T&Cs: New players only. Bet £10 min. odds 1/1 (2.00) to get 4 x £5 Free Bets: 1 x £5 Football Bet Builder, 1 x £5 Football Acca, 1x £5 Horse Racing Acca & 1 x £5 Tennis In-Play. Valid 7 days. Exclusions and T&Cs apply. 18+. GambleAware.org

T&Cs: New cust only. Opt-in required. Deposit & place a bet within 7 days and settle a £10 minimum bet at odds of 4/5 (1.8) or greater to be credited with 3 x £10 Free Bets: 1 x £10 horse racing, 1 x £10 Free Bet Builder and 1 x £10 football. Free Bets cannot be used on e-sports and non-UK/IE horse racing. 7 day expiry. Stake not returned. 18+. T&Cs apply. GambleAware.org

18+ | New UK players only | Min deposit req. £10 | Certain deposit methods excluded | Place 1 sport bet (3+ selections) | Excl Horse Racing | Min stake £10 | Max stake £20 | Min Odds 2/1 (3.0) | Max FreeBet £20 for football only | FreeBet valid for 7 days | FreeBet stake not returned | T&Cs apply

18+. New verified customers. UK residents. Customers must first opt-in to this promotion before making the qualifying bet within 7 days of registration. Min. stake amount: £10 with real money with you first ever bet within 7 days of your registration. Free bets must be claimed within the promotion section of the website. Free bets are non-withdrawable. Free bet amount: £20 (1x£20). Min. odds: 3/2 (2.5). Maximum withdrawable winnings from free bet per player: £100. Period to activate: 7 days after the qualifying bet is placed. Full TC's Apply. GambleAware.org

TCs: 1st deposit only. Min deposit £10. Max bonus £10. Min odds 1/1 (2.0). Max winnings £100. 5-days bonus expiry. User Agreement and Bonus T&Cs apply.

T&Cs: Applies to new UK/IE customers who sign up via approved partner sites with promo code bet20get10. Place a minimum £20 cash bet at odds of Evens (2.0) or greater and receive a £10 Free Bet 18+. GambleAware.org . Full T&Cs apply.

T&Cs: 18+, UK only. Deposit and place a £10 cash bet at single or accumulated odds of 1/2 (1.5) or greater and we will give you £20 in free bets. Free bets credited as 4 x £5 bets. 1x Football, 1x Racing, 1x Tennis & 1x Any Sport. Cashed out, Void or 'Draw No Bet' wagers do not qualify for this promotion. Available to customers who register from an Affiliate link only. Available once per customer. Free bets will be credited upon bet settlement and will expire 7 days after being claimed. Full T&Cs apply.

T&Cs: *New members only. £10+ bet on sports (ex. virtuals) at 1.5 min odds, settled within 14 days. Free Bets: accepted in 7 days, valid 7 days; £20 use on sportsbook, £10 on Bet Builder. Stake not returned. T&Cs + deposit exclusions apply. Bet Responsibly. GambleAware.org . 18+. Members only.Use Free Bet on any Bet Builder market for the selected football match by kick-off (EVS min odds). Free Bet: login & accept via pop-up, max 1/ Member. Free Bet varies from £1 - £20 per Member. Stakes not returned T&Cs apply. Full T&Cs Apply. Bet Responsibly. GambleAware.org . 18+.

T&Cs: 18+ New Customers only. Place a £10+ bet at min odds 1/1 (2.0). Get £10 in Free Bets, valid for 7 days and must be used on acca with min 5 selections and min total odds of 2.0. Free stake not returned with winnings. Use code ACCA10 on signup. Bangers N'Cash rewards are a separate promotional scheme and must be opted into during the weekly promotional period via the BetWright Rewards Section T&Cs apply. GambleAware.org .

T&Cs: New Players Only. Free bet - one-time stake of £40, min odds 1.5, stake not returned. 1X wager the winnings. Wager from real balance first. Wager calculated on bonus bets only. Max conversion: £200. Valid for 7 Days from receipt. Limited to 1 sport & 5 casino brand/s within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply.

T&Cs: 18+. New customers only. Promo code: JIMB20G10 min £20 acca (3+ legs) on sports at 2.0+ odds per leg. Selections from different events. Qualifying bet within 7 days of registration. Get £10 Free Bet (stake not returned) within 24hrs of settlement. Free Bet expires after 7 days. One per person/household/device. T&Cs apply. GambleAware.org .