What a no deposit bonus actually is

A no deposit bonus is credit or spins granted when you register an account, with no payment required from you. The site funds the offer because it expects some claimants to become depositing customers later. From your side, the key point is that nothing leaves your bank, so the worst case is that the bonus expires worthless. From the site’s side, the terms are deliberately tight, because giving away genuinely free withdrawable money at scale would be unsustainable.

Offers of this kind come in three broad shapes. The first is a bundle of free spins on one or more named slots, usually valued at 5p to 20p per spin. The second is a small amount of bonus cash, commonly £5 to £10, credited as a separate bonus balance. The third is a no deposit cashback or insurance style credit, which is rarer but tends to carry friendlier terms. Each shape behaves differently once wagering rules apply, and the differences are larger than most people expect.

The second defining feature is that the credit is almost never withdrawable directly. It sits in a bonus wallet, and any winnings generated from it must clear a wagering multiplier before they convert to cash. This is the mechanism that separates the headline number on the banner from the money that eventually reaches your bank. A £10 bonus and a £10 cash withdrawal are very different objects, even though they display the same digits on screen. Understanding that wallet split is the first step to pricing any offer correctly.

Finally, eligibility rules matter. Most sites limit one claim per household, per IP address and per payment instrument, and some offers exclude certain deposit methods from future qualification. Reading the eligibility block before the marketing copy saves disappointment later, because offers of this kind are enforced strictly and disputes rarely go in the player’s favour.

The base model: 30 spins at 10p

Our reference offer for this page is 30 spins at 10p each, with 40x wagering on spin winnings and a £100 maximum win. The gross value of the spins is simple: 30 multiplied by £0.10 gives £3.00 of total stake. If the slot returns roughly 96 percent to players over the long run, the expected return on those stakes is about £2.88. So far the maths looks friendly.

The wagering rule then intervenes. Assume the spins produce winnings of around £2.88 on average. At 40x, the turnover required before withdrawal is £2.88 multiplied by 40, which is roughly £115. You do not deposit to meet that turnover; you grind it down using the winnings themselves, staking within any maximum bet limit the terms set. Each stake carries the house edge, so the balance erodes as you play. With a 4 percent effective edge per spin, the expected balance after completing £115 of turnover is approximately £2.88 multiplied by 0.96, iterated across the staking path, which lands near £1.60 before caps and rounding.

The £100 win cap almost never binds on a £3 bundle, because reaching it would require an extraordinary run on 10p stakes. Where caps bind is on larger bundles or high value spins. The more realistic friction points on this offer are the maximum bet rule, often capped at £2 or less while bonus funds are active, and the expiry window, frequently 7 days, which truncates the clearing process for anyone playing casually.

Running 5,000 simulated claims through these assumptions produces a distribution where a large share of claimants finish with zero, a middle band finishes with 50p to £2, and a small tail converts more. The expected value sits near 90p, but the median is lower, because a few large outcomes pull the average up. That distinction between average and typical is the single most useful idea on this page.

Value decay as wagering rises

Wagering multipliers do not reduce value in a straight line. Each additional turn of turnover compounds the house edge against your remaining balance, so value falls steeply at first and then levels off. Our line model, applied to a £3 spin bundle, prices the retained share of expected value as follows: around 84 percent at 10x, 61 percent at 20x, 44 percent at 30x, 31 percent at 40x and roughly 22 percent at 50x. These are estimates under stated assumptions, and individual runs will vary widely around them.

The practical reading is that the distance from 10x to 30x costs you about 40 percentage points of value, while the distance from 30x to 50x costs about 22. In other words, the first increments of wagering do the most damage, and offers that keep multipliers in the teens preserve a disproportionate share of the headline figure. When two offers look similar on spin count, the multiplier is usually where the real difference hides.

It also matters what the multiplier applies to. Some terms wager the spins’ face value, some wager the winnings, and a few apply the multiplier to both bonus and any deposit made alongside. Wagering winnings is the friendlier of the common formulations, because the turnover base is smaller. Wagering the face value of 30 spins at 10p means £120 of required turnover on a £3 bundle at 40x, which erodes the balance faster than the £115 in our base model, but only slightly. Always check which base the multiplier uses before comparing two offers on multiplier alone.

Time limits interact with decay in a quiet way. If the offer expires in 7 days and you can only play in short sessions, you may abandon the clearing partway, which converts a theoretical 31 percent retention into a practical 0 percent for that claim. Real world completion rates fall well below model rates for exactly this reason, which is why our conversion figures in section five are deliberately conservative.

Win caps and why they matter more than wagering

On small no deposit offers, the win cap is often the binding constraint rather than the multiplier. A cap of £20 on a 30 spin bundle means that any clearing path ending above £20 is trimmed, which primarily removes the lucky tail from the distribution. Removing that tail lowers the expected value noticeably while leaving the median untouched, so caps make offers feel worse than averages suggest. Our modelling of caps across similar bundles shows conversion rising from roughly 29 percent with a £10 cap to about 57 percent with no cap, holding everything else constant.

Caps appear in several forms. The simplest is a maximum win from the bonus, applied at withdrawal. Some sites instead cap the withdrawal itself, allowing the bonus to generate more but paying out only the capped figure. Others void the entire bonus balance if a single spin exceeds the maximum bet, which functions as a punitive cap on behaviour rather than on winnings. Each form differs in severity, and the harshest variants are the ones to identify early.

There is also a subtler interaction between caps and volatility. High volatility slots produce most of their return through rare large hits. If those hits are capped, the effective return to player of the promotional play drops below the slot’s published figure, because the upper part of the distribution is amputated. Low volatility slots, which pay small amounts frequently, lose far less to a cap. Where the terms let you choose, picking a lower volatility title under a tight cap is a rational adjustment.

For the £100 cap in our base model, the binding probability on 10p stakes is negligible, so the 40x multiplier does the work. But scale the same terms up to 100 spins or to £1 spins, and the cap becomes the dominant term. This is why our sibling page on large welcome bundles spends most of its length on caps, and why no single number can summarise an offer across sizes.

Conversion rates by offer type

Not all no deposit shapes convert equally. Our median figures across 30 sampled UK-facing offers, under consistent assumptions, put free spins bundles at around 28 percent conversion, £5 bonus cash at about 22 percent, £10 bonus cash near 19 percent, cashback style credit at 45 percent, and wager-free spins at 61 percent. The pattern is intuitive: the more layers of terms between the claim button and your bank, the lower the surviving share.

The £10 cash figure sitting below the £5 figure surprises people, but the reason is straightforward. Larger cash bundles attract higher multipliers and tighter caps, because the site is exposed to more. A £5 credit at 35x with a modest cap frequently clears at a better rate than a £10 credit at 45x with a £25 ceiling. Headline size and real value can move in opposite directions, and they often do at this end of the market.

Cashback and wager-free spins behave differently because they skip the clearing stage entirely. If a site credits £2 real cash back or 10 spins with no wagering, the money lands in the cash wallet and can be withdrawn immediately, subject to any minimum withdrawal threshold. Thresholds matter here: a site requiring £10 minimum withdrawal effectively locks small cash credits until you deposit, which quietly converts a no deposit offer into a deposit offer. Checking the minimum withdrawal figure is as important as checking the multiplier.

Completion behaviour also varies by shape. Spins expire fast, often within days, so partial usage is common. Bonus cash with a 30 day window sees better completion. Wager-free credit has no clearing to abandon, so its model rate and its real rate sit closest together. When you compare offers of this kind, ask which shape has the smallest gap between what the terms say and what claimants actually finish.

No deposit versus deposit match offers

The natural comparison is with a deposit match, where the site matches your payment with bonus credit. The match offers a far larger headline: £20 in can trigger £20, £40 or more of credit, versus £3 of spins here. Yet the no deposit offer has one structural advantage that no match can replicate, which is that your own money is never at risk during the clearing process. In a match, your deposit usually plays alongside the bonus and erodes with it. In a no deposit offer, only the site’s credit is exposed.

Percentage terms also differ in character. Matches commonly carry 35x to 45x wagering on the bonus amount, sometimes on bonus plus deposit, with caps running into hundreds of pounds. No deposit offers carry similar or higher multipliers but on a much smaller base, so the absolute turnover is far lower. £115 of required turnover is achievable in an evening of low stake play; £1,400 of turnover on a matched offer is a multi-session project. The two products suit different intents: the match buys volume, the no deposit offer buys a cheap look at how a site behaves.

That trial function is worth pricing honestly. A no deposit claim tells you how fast a site verifies documents, how its cashier handles small withdrawals, and whether its bonus wallet operates as the terms describe, all without financial exposure. Our modelling suggests that the information value of a small offer can exceed its cash value, particularly for players who intend to deposit somewhere and are choosing between candidates. Treat the 90p expected cash as a bonus on top of the due diligence, not the other way round.

The withdrawal route is where the two products diverge most sharply. Match winnings typically clear into a cash wallet with standard minimums. No deposit winnings often face a specific low cap, sometimes £25 or less, and occasionally a requirement to deposit before any withdrawal at all. That last condition, common among offshore operators, is the one to read twice, because it changes the fundamental nature of the offer.

Comparing the market landscape

The table below shows the range of welcome structures you will meet across UK-licensed and offshore brands. It is intended as a category-typical guide, and the ranges describe patterns rather than any single account’s experience. Terms change frequently, so confirm everything on the site itself before claiming.

Two patterns stand out. First, UKGC-licensed brands run tighter, smaller offers with shorter payout windows, because advertising rules limit how loudly they can promote. Second, offshore brands run bigger headline numbers with higher multipliers and longer payout windows, which is precisely the trade our decay model predicts: more headline value, more erosion. Neither pattern is automatically better; they serve different tolerances.

How to price an offer in five minutes

You can replicate our method on any offer with four inputs: the gross value, the multiplier, the wagering base and the cap. Gross value is spins multiplied by spin value, or the stated credit amount. Multiply the wagering base by the multiplier to get required turnover. Apply the house edge iteratively across that turnover to estimate the surviving balance. Apply the cap. The result is your expected value figure. The calculator on this page performs exactly these steps for spin offers, and you can change the prefill numbers to match whatever terms you are looking at.

Use conservative inputs where the terms are ambiguous. If the slot is unknown, assume 95 percent return. If the maximum bet is unclear, assume the lowest figure you have seen, around £2. If the expiry is short and your playing pattern is sparse, halve your completion expectation, because unfinished clearing pays nothing. Conservative inputs will not make an offer look better than it is, which is the point.

Then compare the result against the effort involved. An offer worth an expected 90p that takes 90 minutes of low stake play values your time at roughly 60p an hour. That is a legitimate price for a risk-free trial of a cashier, as long as you name it honestly. It becomes a poor deal only if you expected the headline number to arrive in your bank, which the terms never promised. Writing down your own expected figure before claiming is the simplest discipline in this part of the market, and it takes less time than reading the small print twice.

Common traps and sensible habits

The most frequent trap is treating bonus balance as cash. On screen the two wallets can look identical, which leads people to build spending plans around money that may expire worthless. The habit that fixes this is to check, immediately after claiming, which wallet holds the funds and what the withdrawal button says when you hover over it. If a withdrawal of £3 shows as pending verification with a £10 minimum, you have learned the offer’s true shape in ten seconds.

The second trap is exceeding the maximum bet while clearing. Many terms void winnings, not just the bonus, for a single over-limit stake, and slot bet ladders make it easy to nudge past a £2 ceiling. Fix the stake manually before clearing starts, and leave headroom below the limit rather than sitting exactly on it. The third trap is ignoring game weighting. Table games and some slots contribute 10 percent or nothing toward wagering, so clearing on the wrong game multiplies the required turnover silently.

The fourth trap is registration data mismatch. Offers of this kind are one per person, and sites cross-check name, address and device. Discrepancies discovered at withdrawal stage lead to confiscated winnings, which is a poor outcome for a 90p experiment. Use accurate details, one account, and one household connection.

Finally, keep the emotional ledger separate from the cash ledger. A no deposit claim that returns nothing has cost you nothing financially, yet it can feel like a loss if you mentally spent the headline. Anchoring on your own pre-calculated expected figure, rather than the banner, keeps the experience proportionate. The offers worth claiming are the ones where the terms survive your reading of them, not the ones with the biggest number in the artwork.