SlotsitesUK. Smart slot players know that Return to Player (RTP) percentage is one of the most crucial factors in choosing where to play. In this comprehensive guide, we reveal the best high RTP slotsites UK for 2024 – casinos offering games with 97%+ payout rates that give you significantly better winning odds than standard slots.
We’ve analyzed over 2,000 slot games across 50+ UK casinos to bring you:
✅ The highest RTP slots available right now
✅ Casinos that specialize in high payout games
✅ How RTP really affects your long-term wins
✅ Expert tips to maximize your payout potential
Plus, we’ll show you where to find exclusive high RTP slot bonuses you won’t find elsewhere.
What is RTP and Why Does It Matter?
RTP (Return to Player) is the percentage of all wagered money a slot pays back to players over time. For example:
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A 97% RTP slot returns £97 for every £100 wagered (long-term average)
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A 94% RTP slot only returns £94 for the same £100 wagered
That 3% difference might not seem huge, but over thousands of spins, it significantly impacts your bankroll.
RTP Comparison Table
| RTP Range | Payout Efficiency | Example Games |
|---|---|---|
| 98-99% | Excellent | Mega Joker, Ugga Bugga |
| 96-97.9% | Good | Book of Dead, Starburst |
| 94-95.9% | Average | Many popular video slots |
| Below 94% | Poor | Some progressive jackpots |
Find high RTP games: All Slots by Payout Rate
Best High RTP Slotsites UK (2024)
Not all casinos offer the same high RTP games. These 5 slotsites consistently provide the best payout percentages:
1. [High RTP Specialist Casino] – 97.2% Average Game RTP
⭐ Why We Recommend It:
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Dedicated high RTP slots section (150+ games over 97%)
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Mega Joker (99% RTP) available
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RTP clearly displayed on every game
SlotsitesUK Bonus: Get 20 free spins on 98% RTP slots with code HIGHROLLER
2. [Best for Premium Game Selection]
⭐ RTP Highlights:
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1429 Uncharted Seas (98.6% RTP)
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Blood Suckers (98% RTP)
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Ooh Aah Dracula (97.8% RTP)
Exclusive: £10 no deposit to try high RTP games
Top 10 Highest RTP Slots in the UK
These games give you the best mathematical chance to win:
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Mega Joker (NetEnt) – 99% RTP (up to 99.9% in supermeter mode)
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Ugga Bugga (Playtech) – 98.5% RTP
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1429 Uncharted Seas (Thunderkick) – 98.6% RTP
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Blood Suckers (NetEnt) – 98% RTP
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Jackpot 6000 (NetEnt) – 98.9% RTP
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The Catfather (Pragmatic Play) – 98.1% RTP
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Starmania (NextGen) – 97.87% RTP
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White Rabbit Megaways (Big Time Gaming) – 97.24% RTP
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Diamond Strike (Pragmatic Play) – 97.07% RTP
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Book of 99 (Relax Gaming) – 99% RTP
Play these now: Highest RTP Slots UK
How to Find High RTP Slots (Step-by-Step)
Many casinos hide RTP information. Here’s how to uncover it:
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Check the game’s paytable/info section
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Look for “Technical Info” or “Game Details”
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Search “[Game Name] RTP” online
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Use casinos that filter by RTP (like our top picks)
Pro Tip: Some slots have variable RTP – always check the exact version your casino offers.
RTP vs Volatility: What Really Matters?
While RTP shows long-term payout percentage, volatility indicates how often wins occur:
| Type | RTP Focus | Volatility | Best For |
|---|---|---|---|
| Low Volatility | Steady small wins | High frequency | Bankroll preservation |
| High Volatility | Big potential wins | Less frequent | Jackpot chasers |
Find your perfect match: All Slot Types Explained
Best Bonuses for High RTP Slots
Maximize your high RTP play with these smart bonus strategies:
Look for low wagering offers (under 30x)
Avoid free spins on low RTP games
Use match bonuses on high volatility slots
Current Best Offer: 100% up to £200 + 50 spins (35x wagering)
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⚠️ High RTP Slot Myths Debunked
❌ “High RTP means I’ll win today” – RTP works over thousands of spins
❌ “All versions of a slot have the same RTP” – Casinos can adjust it
❌ “Progressive jackpots have good RTP” – Most are below 94%
❓ High RTP Slotsites UK FAQs
1. What’s the highest possible RTP for slots?
99% is the practical maximum (some games briefly hit 99.9% in bonus modes).
2. Do high RTP slots pay out more often?
Not necessarily – that depends on volatility, not RTP.
3. Can casinos change a slot’s RTP?
Yes, some providers allow operator-specific RTP settings.
4. Are high RTP slots boring?
Not at all – many feature great bonus rounds and themes.
Final Verdict: Best High RTP Slotsites UK
For the smartest slot play in 2024, we recommend [Top High RTP Casino] for its unmatched 97%+ game selection and player-friendly bonuses.
Start playing smarter today: Best UK High RTP Slotsites
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Reviews
The live dealer games are laggy and
The live dealer games are laggy and suspicious. Feels like a setup.
116 - 10/14/2024
I feel totally scammed. They took my
I feel totally scammed. They took my money and refused to even acknowledge my complaints.
115 - 10/13/2024
Games glitch at crucial times, especially during
Games glitch at crucial times, especially during high payouts. Convenient for them, not for us.
114 - 10/10/2024
This site is designed to take your
This site is designed to take your money and give nothing back. Avoid at all costs.
113 - 10/08/2024
Every time you win a little, the
Every time you win a little, the next 200 spins are dead. Highly suspicious RNG.
112 - 10/06/2024
Had a good session but when I
Had a good session but when I tried to cash out, they blocked my account for ‘random verification’.
111 - 09/26/2024
Support told me my documents were fine,
Support told me my documents were fine, then changed their mind after I won big.
110 - 09/25/2024
Had a lucky night and cashed out
Had a lucky night and cashed out with no hassle. Customer support answered within minutes.
109 - 09/23/2024
Was able to claim free spins without
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108 - 09/22/2024
Good experience from start to finish. No
Good experience from start to finish. No weird fees or hidden charges when withdrawing.
107 - 09/19/2024