New Grosvenor Offer for UK players from 6 July 2026
British Gambler and our readers have been notified that Grosvenor Casinos has refreshed its welcome package for new customers, introducing a new sign-up offer that combines a matched casino bonus with free spins on one of Pragmatic Play’s most popular fishing-themed slots.
From 6 July 2026, eligible new players who deposit £20 can receive a £40 casino bonus alongside 100 Free Spins on Big Bass Splash.
The offer is available to new Grosvenor Casino customers aged 18 or over who activate the promotion before making their first deposit. Players depositing via PayPal or Paysafe are not eligible for the welcome offer.
New Grosvenor Casino Welcome Offer
- Deposit: £20 minimum
- Bonus: £40 casino bonus
- Free Spins: 100 on Big Bass Splash
- Available from: 6 July 2026
- Eligibility: New UK players aged 18+
Key Terms to Know
The £40 bonus is credited as bonus funds and must be wagered alongside the qualifying deposit before any winnings can be withdrawn.
Key conditions include:
- 10x wagering on the combined £20 deposit and £40 bonus (total wagering requirement: £600)
- Bonus valid for 30 days
- Maximum cash conversion from the bonus is £200
- Only selected eligible casino games contribute towards wagering
The promotion covers a range of popular slots including:
- Big Bass Splash
- Buffalo King Megaways
- Chaos Crew 3
- Wanted: Dead or a Wild
- Rick and Morty Megaways
- Fishin’ Frenzy Big Catch Megaways
- Zeus vs Hades: Gods of War
- Big Piggy Bank
- Le Zeus
- Bison Rising Megaways
- and several other selected titles.
100 Free Spins on Big Bass Splash
The welcome package also includes 100 Free Spins, each worth 10p, exclusively for Big Bass Splash.
Players must launch the game to activate the spins, then claim them within 24 hours. Once claimed, the spins remain valid for 7 days.
Any winnings generated from the free spins are credited as bonus funds and carry a 10x wagering requirement on Big Bass Splash before they become withdrawable. The maximum amount that can be converted into cash from free-spin winnings is £100.
As with all free-spin promotions, the spins do not guarantee winnings.
Important Restrictions
Players should note several important conditions before claiming the offer:
- Available only to new Grosvenor Casino customers.
- Not available alongside any other welcome promotion.
- Deposits made using PayPal or Paysafe do not qualify.
- Identity, age and address verification may be required.
- Bonus abuse, duplicate accounts or prohibited betting patterns may result in forfeiture of bonus funds and winnings.
British Gambler Thoughts
Grosvenor Casinos’ latest welcome offer provides up to £70 in promotional value through a combination of bonus funds and free spins. Compared with many UK casino welcome offers, the 10x wagering requirement on the £60 qualifying balance is relatively straightforward, although players should remember that withdrawals are capped at £200 from the bonus and £100 from free-spin winnings.
As always, read the full promotional terms before claiming any casino bonus and only gamble with money you can afford to lose.
18+. New customers only. Minimum £20 deposit required (excluding PayPal and Paysafe). Bonus and free spins subject to eligibility, wagering requirements, maximum withdrawal limits and full promotional terms. GambleAware.org.
See also new casino sites and apps to use for playing slots.
