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Grosvenor bookmakers are offering a welcome bonus by doubling the odds on the bet slips of their new customers. Register with Grosvenor, make an initial deposit of up to  £10, stake it with any odds on any sporting event, and, in your betslip, select the ‘100% Odds Boost’ option. This will automatically double your odds, increasing your payout if you win.

What do I need to do to get this bonus?

  1. Open an account with Grosvenor,
  2. During the signup process, fill in the required fields with your personal information (first name, last name, email, etc),
  3. Make your first deposit of up to £10 into your Grosvenor account, and stake it as either a single or accumulator bet with any odds within 60 days after registration,
  4. Select the ‘100% Odds Boost’ option in your bet slip, and enjoy the welcome doubling odds offer from the bookmakers.

Pros and Cons:

+ There are no required odds for this promotion.
– This offer cannot be used simultaneously with other offers.  
– Deposits with Skrill and Neteller do not qualify for this offer.

Terms and Conditions

  • Only valid for new registrations to Existing members do not qualify.
  • Bet must be placed using real money in combination with the Odds Boost Token.
  • Offer applies to Sport bets only. The maximum total stake is £10. Each way bets are a maximum of £5 each way (£10 total stake)
  • If you stake less than £10 you will forfeit the remaining amount of the odds boost token.
  • ‘Double the odds’ refers to fractional odds only. For the avoidance of doubt, it is the profit from the eligible bet that is doubled.
  • Extra winnings are paid in cash upon bet settlement.
  • Customers have 60 days after registration to use the Odds Boost Token.
  • A maximum of 1 offer is available per person, household, IP, device, e-mail address, or payment details.
  • Members depositing with Neteller or Skrill will not be eligible for this promotion.
  • Member bet limits also apply to Odds Boost token placement.
  • This offer cannot be used in conjunction with any other offer.
  • Grosvenor Casinos reserves the right to withhold or retract any funds generated if winnings are mistakenly credited or patterns of abuse are found.
  • Customers, whose accounts have been closed, suspended, or are found to have multiple accounts will not be eligible. In the event of a breach of #8, the first registered account only will be eligible.  
  • In any dispute, the Grosvenor Casinos management decision will be final.
  • Grosvenor Casinos reserves the right to withdraw or amend this offer at any time without prior notice.
  • We may at any point before, during, or after the promotion, ask for valid proofs of identity, such as a passport to verify your identity, age and residency. If you are unable to produce such documents you will automatically be excluded from the promotion and will forfeit any prizes that have already been allocated or awarded to you, without compensation.
  • We do not guarantee continuous uninterrupted access to the website. Numerous factors outside the control of the promoter may interfere with the operation of the Website. No responsibility will be accepted for any difficulties, participation or claims that are corrupted or not delivered.
  • General Terms and Conditions and Sport Betting Rules apply.

Bookmaker Rating’s Conclusion

The welcome bonus at Grosvenor is very generous and is a great incentive to try out the world of betting. Just register and follow the simple steps for the first qualifying bet, and the bookmakers will double your odds, increasing the amount you could win. Get more detailed information by reading our review of Grosvenor.

If you have any questions, the Bookmaker Rating Support Service will be happy to help: [email protected].


  1. How do I withdraw winnings from Grosvenor Casinos online?
    After winning on the online platform, you can withdraw your funds via one of several options. Most withdrawal methods take one day to process, while some of the e-wallets platforms may take up to 7 days.
  2. What currencies does Grosvenor accept?
    The bookmakers only accept British Pound and Euros.
  3. Are Grosvenor legal?
    Grosvenor Casinos are licensed and regulated by the UK Gaming Commission and Alderney Gambling Control Commission.
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