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Bonus terms can feel like they are written in another language. Two offers can advertise the same headline figure , say a £100 bonus , yet behave in completely different ways once you start wagering. The difference almost always comes down to one structural detail: whether the bonus is sticky or non sticky. Understanding that distinction is the single most useful piece of knowledge a UK player can carry into any welcome offer, and it is the reason comparison counters now flag the type of bonus before any other term. This guide breaks both models down, compares the maths, and explains which suits which kind of player. Discover further information on PrizeWinnersUK 150 free spins no deposit.
In short, a sticky bonus stays attached to your balance and is effectively locked away. A non sticky bonus is separated from your real cash and is usually removed the moment you request a withdrawal. Neither is automatically better , but the practical outcomes differ enormously, and the gap widens as the bonus size grows.
A sticky bonus is added to your real money balance as a single combined figure. You play from that pot, and the bonus portion cannot be withdrawn. If you try to cash out before completing the wagering requirement, the bonus is typically stripped away and only your real money winnings are paid. The bonus is, in effect, a loan rather than a gift.
The upside is that sticky bonuses tend to be larger and come with lower wagering multipliers. Some UK-facing sites attach requirements as low as 20x on the bonus amount, compared with 35x to 40x on non sticky equivalents. A bigger headline figure with a gentler multiple is genuinely attractive , but only if you intend to play through the full requirement.
The downside is flexibility. If your goal is to test a site briefly, the sticky structure offers little. Withdraw early and the bonus vanishes, meaning the headline number was never really yours. Around 6 in 10 players who take a sticky offer never complete the wagering, which tells you how deceptive that headline figure can be.
Sticky bonuses suit slot players with a defined session plan and a bankroll that can absorb the full playthrough. They reward patience, not quick exits.
A non sticky bonus sits in a separate bonus balance. Real money is wagered first, and the bonus is only touched once your cash is gone. When you withdraw, the bonus and any winnings derived from it are usually forfeited , but your real money winnings are entirely yours.
This separation is why non sticky offers are often called “play money” bonuses. You can deposit £20, take a £20 bonus, win from your cash, withdraw the lot, and lose nothing but the bonus. The risk to your own funds is materially lower, and the withdrawal rules are cleaner to follow.
The trade-off is that non sticky bonuses generally carry higher wagering and stricter game weighting. Only around 4 in 10 UK players bother reading the weighting table before opting in, which is precisely the mistake that turns a good-looking offer into a frustrating one.
Non sticky bonuses suit casual players, newcomers to a site, and anyone who values the freedom to walk away with real money intact.
The table below sets out the practical differences side by side. Figures are indicative and reflect typical UK market terms rather than any single offer.
| Feature | Sticky Bonus | Non Sticky Bonus |
|---|---|---|
| Bonus after wagering | Converted to real cash | Forfeited on withdrawal |
| Typical wagering | 20x-30x bonus | 35x-40x bonus |
| Headline size | Usually larger | Usually smaller |
| Withdrawal flexibility | Low | High |
| Best for | Committed session players | Casual and new players |
One more distinction matters: game weighting. Sticky offers on UK sites often weight slots at 100% but reduce live casino play to 10%, meaning a live roulette session can take ten times longer to clear the same requirement. Check the weighting table before opting in , it is the second-most important term after the multiplier itself.
The 18+ rule applies across every offer, and all bonuses carry expiry dates, usually between 7 and 30 days. Read the cap on maximum winnings too; some sticky bonuses limit payouts to a multiple of the bonus, which can quietly shrink a significant win.
Whichever model you choose, treat the bonus as a structured playthrough, not free money. Compare the type, the multiple, and the weighting before the first spin , the rest of the terms rarely change the outcome.