Grosvenor Casino Welcome Bonus: Play with £60 plus 100 Spins
Commercial content. offers.bet may earn a commission when you join through our links. 18+. GambleAware.org
New players. Min Dep £20 (Excl. PayPal & PaySafe). Max Bonus £40 on selected games & 100 Free Spins on Big Bass Splash. Wagering & max win apply. T&Cs apply. 18+ GambleAware.org
Grosvenor is the rare online casino with a high-street presence to match. The name sits above the door of casinos in cities across Britain, and the website shares a wallet, a set of slots and a good deal of live roulette with those venues. Its welcome bonus for new online players is a straightforward deposit deal with a bundle of spins attached.
What the Grosvenor welcome bonus adds to your first deposit
Deposit £20 and Grosvenor adds a £40 bonus, so you start with £60 to play on a list of selected slots. On top of that come 100 Free Spins on Big Bass Splash, each worth 10p.
The code is applied automatically. You select the offer in the cashier when you make your first deposit, and claiming it rules you out of any other welcome offer on the site.
The bonus money is not cash. It sits in a separate bonus balance and has to be played through ten times, together with the deposit, before anything in that balance can be withdrawn. That is the maximum the Gambling Commission now allows on a casino bonus, and it is the reason a £40 bonus is worth taking seriously in 2026 in a way it often was not a few years ago.
Grosvenor Casino Promo Code: the offer term by term
| Detail | What applies |
|---|---|
| New customer offer | Play with £60 plus 100 Spins, Deposit £20 |
| Promo Code | Auto-applied at sign-up (select the offer in the cashier) |
| Minimum deposit | £20 on your first deposit |
| Bonus | £40, on selected slots |
| Wagering | 10x deposit plus bonus (£600 in total) within 30 days |
| Maximum conversion | £200 from the bonus; £100 from Free Spin winnings |
| Free Spins | 100 on Big Bass Splash, 10p each |
| Spin winnings | Paid as bonus, 10x wagering on Big Bass Splash within 7 days |
| Expiry | Spins must be claimed within 24 hours of launching the game and used within 7 days |
| Excluded payments | PayPal and paysafecard |
New players. Min Dep £20 (Excl. PayPal & PaySafe). Max Bonus £40 on selected games & 100 Free Spins on Big Bass Splash. Wagering & max win apply. T&Cs apply. 18+. GambleAware.org
Joining Grosvenor and claiming the bonus
- Register through our link. Fill in the form with details that match your ID, because Grosvenor will check your age and address.
- Open the cashier. Choose the welcome offer before you pay.
- Deposit £20 or more by debit card, Apple Pay or bank transfer. PayPal and paysafecard deposits do not qualify.
- Play the bonus on the selected slots. Your own cash is used first, then the £40 bonus.
- Launch Big Bass Splash for the spins. You have 24 hours from opening the game to claim them and seven days to use them.
How the wagering works on £20 and £40
The target. Grosvenor applies the 10x requirement to the deposit and the bonus together: (£20 + £40) x 10 = £600 of bets on eligible games.
What counts. Slots contribute 100 per cent. Jackpot and progressive games count 50 per cent, so £10 on a jackpot slot moves you only £5 closer. All live casino games, game shows included, count 10 per cent: £10 at a live roulette table counts as £1. Betting on red and black at once counts for nothing.
Cash goes first. Any bet comes out of your cash balance before the bonus. If a bet uses a mix of both, the winnings are split between the two balances in proportion.
Taking money out early. You can withdraw cash at any time, but doing so cancels whatever is left in the bonus balance.
The caps. However well the bonus goes, no more than £200 can be converted to cash. The spins are capped separately: if the 100 spins return £15, you play that £15 through ten times (£150) on Big Bass Splash within seven days, and the most you can convert is £100.
Our tip for the Grosvenor bonus
Do the spins and the bonus as two separate jobs. The spin winnings have a seven-day clock and must be wagered on Big Bass Splash, while the deposit bonus has 30 days and a wider list of slots. Clearing the spin winnings first, then settling into the £600 target over a few sessions, is the easier route.
Stick to standard slots from the selected list while you wager. Jackpot games and the live tables are tempting at Grosvenor, but their reduced contributions make the target two to ten times harder to reach.
Slots, tables and the live casino floor
Grosvenor’s slots lobby is split into top slots, new releases, Megaways, classic slots, Slingo and Drops & Wins games, with a section of “in-club” titles: the machines you would find on the floor of a Grosvenor casino, available online too. It also has a range of exclusive slots and Grosvenor Originals. Blueprint Gaming is among the named providers.
The live casino is where Grosvenor stands apart. As well as tables and game shows from Evolution, it streams roulette from its own venues, including Nottingham, Sheffield, Glasgow, Southampton, Birmingham and Cardiff, and Victoria Roulette from the casino floor of the Grosvenor Victoria in London. A separate range of Grosvenor Exclusive tables, hosted by UK dealers, covers roulette and VIP blackjack. Poker, both online and in the clubs, sits alongside.
Grosvenor Casino app: live tables and jackpots
