Penny slots are games you can play for a few pence a spin. The name comes from stakes of 1p per line; many popular UK slots start at 10p a spin, and some classics go as low as 5p or 9p. This page compares low-stake slots reviewed on UnionSlots, explains how lines and coin values set your stake and covers the UK rules that apply. UnionSlots does not host games or demos; we review slots and point you to UKGC-licensed casinos. 18+ only.
Where to Play Penny Slots in the UK
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1
Get 200 FS on Book of Dead with £20 Min Deposit
#AD | Automatically credited upon deposit. First Deposit Only | Min dep. £20. Game: Book of Dead | Spin Value: £0.1. Max Free Spins: 200. WR 10x free spin winnings amount (only Slots count) within 30 days | Max bet is 10% (min £0.10) of the free spin winnings amount or £5 (lowest amount applies) | T&C's apply | 18+ | BeGambleAware.org | Gambling is addictive, please gamble responsibly!
2
Get 100% up to £50 + 50 Free Spins on Book of Dead
#AD | First Deposit Only | Min. deposit: £10, max. Bonus £50 | Game: Book of Dead | Spin Value: £0.1, Max Free Spins: 50 | WR of 10x Bonus amount and Free Spin winnings amount (only Slots count) within 30 days | Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies) | Spins must be used and/or Bonus must be claimed before using deposited funds. Bonuses do not prevent withdrawing deposit balance | T&C's apply | 18+ | BeGambleAware.org | Gambling is addictive, please gamble responsibly!
3
Get 200% up to £50 + 20 Free Spins on Book of Dead
#AD | New Players Only. Wager from real balance first | 10X wager the bonus money within 30 days, and 10x wager any winnings from the free spins within 7 days | Contribution varies per game | Available on selected games only | Wager calculated on bonus bets only | Bonus offer and any winnings from the offer are valid for 30 days / Free spins and any winnings from the free spins are valid for 7 days from receipt | Max conversion: £50 the bonus amount or from free spins: £20 | Min Deposit £10 required | T&C's apply | 18+ | BeGambleAware.org | Gambling is addictive, please gamble responsibly!
4
Get 100% up to £50 + 100 FS
#AD | New Players Only | Wager from real balance first. 10X wager the bonus money within 30 days and 10x wager any winnings from the free spins within 7 days | Contribution varies per game | Available on selected games only | Wager calculated on bonus bets only | Bonus offer and any winnings from the offer are valid for 30 days / Free spins and any winnings from the free spins are valid for 7 days from receipt | Max conversion: from the bonus amount: £50 or from free spins: £20. Min Deposit £20 required. Limited to 5 brands within the network | Withdrawal requests void all active/pending bonuses | Excluded Skrill and Neteller deposits | T&C's apply | 18+ | BeGambleAware.org | Gambling is addictive, please gamble responsibly!
5
Get £100 Bonus + 100 Free Spins
#AD | New customers only. Opt-in required. Offer valid for 7 days from account registration Match Deposit Bonus Terms: 100% Match Bonus up to £100 on 1st deposit of £20+. 10x bonus wagering applies as do weighting requirements. Debit Card deposits only. Irregular gameplay may invalidate your bonus. Free Spin Terms: 100 Spins awarded on Big Bass Bonanza, valued at 10p per spin. | T&C's apply | 18+ | BeGambleAware.org | Gambling is addictive, please gamble responsibly!
6
Get £100 Bonus + 100 Free Spins
#AD | New UK based customers only. You must opt in (on registration form) & deposit £10+ via a debit card to qualify. Offer valid 7 days from registration. Welcome Bonus: 100% match up to £100 on 1st deposit. 10x wagering applies (as do weighting requirements). Free Spins: Awarded on Gold Blitz once you have staked £10 on any game. Spin value = 10p. No wagering requirements on free spin winnings. | T&C's apply | 18+ | BeGambleAware.org | Gambling is addictive, please gamble responsibly!
7
Get 100 FS with a £10 Deposit (Wagering Required)
#AD | Welcome bonus for new players only | Selected game: Big Bass at the Races | Deposit & wager at least £10 to get free spins | Free Spins winnings are cash | No max cash out | Eligibility is restricted for suspected abuse | Skrill deposits excluded | Free Spins value £0.10 per spin | Free Spins expire in 48 hours | T&C's apply | 18+ | BeGambleAware.org | Gambling is addictive, please gamble responsibly!
Low-Stake Slots Compared
Minimum stakes as published for each game by UK slot guides; casinos can set higher minimums, so check the stake panel before you play.
| Slot | Provider | Min stake | Default RTP | Volatility |
|---|---|---|---|---|
| Sizzling Hot Deluxe | Novomatic | 5p | 95.66% | Medium |
| Fire Joker | Play’n GO | 5p | 96.15% | Medium |
| Thunderstruck | Microgaming | 9p | 96.10% | Medium |
| Starburst | NetEnt | 10p | 96.09% | Low |
| Big Bass Bonanza | Pragmatic Play | 10p | 96.71% | Medium-high |
| Fishin’ Frenzy | Blueprint Gaming | 10p | 96.12% | Medium |
How Stakes Work on Penny Slots
Your total stake is the coin value per line multiplied by the number of lines. On a 10-line game such as Big Bass Bonanza, 1p per line makes a 10p spin; on Sizzling Hot Deluxe, with 5 lines, it makes 5p. Most modern slots have fixed lines, so the minimum stake is set by the game. A few older games let you play fewer lines, but every line you switch off is a line that cannot pay. Ways-to-win and Megaways games work the same way: one stake covers all the ways at once.
Do Low Stakes Change Your Chances?
In most slots, RTP and volatility are the same at 5p as at £5, and every feature can still trigger, so a penny stake simply makes each spin cheaper. Wins are paid as a multiple of your stake: a 1,000x win on a 10p spin pays £100. Low stakes help a budget last longer, but they don’t change the long-run return, and spins add up: 300 spins at 10p cost £30.
Playing Penny Slots in the UK
At UKGC-licensed casinos the maximum stake on online slots is £5 per spin (£2 if you are 18–24), each spin must last at least 2.5 seconds, and autoplay and turbo spins are switched off. Bonus wagering requirements are capped at 10x. Demo mode is available at most licensed casinos once you have registered and verified your age. Compare games on our highest RTP slots page or browse all slot reviews.
Gambling Responsibly
Set a budget before you play and treat slots as paid entertainment. If gambling stops being fun, GamCare (National Gambling Helpline 0808 8020 133, 24/7) and GamStop offer free, confidential help.
FAQ
What is a penny slot?
A slot you can play for a few pence a spin. The name comes from stakes of 1p per line, which on a 10-line game makes a 10p spin.
What is the lowest stake on UK online slots?
It depends on the game: Sizzling Hot Deluxe and Fire Joker start at 5p a spin, Thunderstruck at 9p and many popular slots at 10p. Casinos can set higher minimums.
Do penny slots pay less?
Wins are paid as a multiple of your stake, so smaller stakes mean smaller wins, but RTP and volatility are usually the same whatever you bet.
Are penny slots fair?
Yes, as long as you play at a UKGC-licensed casino: every slot there must pass independent testing before release, whatever the stake.
Can I play penny slots for free?
UnionSlots does not host demos. UKGC-licensed casinos can offer demo mode once you’ve registered and verified your age (18+).