Most operators write fair, sensible terms. The risk sits with a minority that bury clauses shifting risk onto the entrant, and the checks below catch them in a few minutes. The shortcut: CompWatch already reads the terms across the 418 sites we track and folds these clauses into a single trust grade.
Why the small print matters
When you enter a paid competition you're agreeing to a contract: the operator's terms and conditions. Most operators write fair, sensible terms. But a minority bury clauses that quietly move risk away from the business and onto the entrant: the right to delay the draw, to swap the prize, to keep your money as credit, or to change the rules after you've paid. None of these are necessarily unlawful, and they're rarely hidden in plain sight. They sit in dense paragraphs most people never read.
That's the gap CompWatch exists to close. We read the terms across the 418 sites we track, flag the clauses below, and fold them into a single trust grade. This guide walks through the clauses worth checking yourself and what each one means in practice, then what fair terms look like instead. It's general information, not legal advice.
Seven hostile clauses
Any one of these on its own is a reason to slow down.
The right to extend or postpone the draw
This is the clause that matters most for your odds. If the operator reserves the right to extend the closing date or postpone the draw "at its discretion", then the competition you entered today can keep selling tickets indefinitely, and every extra ticket sold lengthens your odds. You bought in at a quoted chance of winning; an open-ended extension means that chance can quietly drift downward with no fixed end point.
The honest version of this is narrow and specific: a draw may be extended once, for a stated reason, to a stated new date. Watch for open-ended wording ("may be extended at any time", "until the operator is satisfied", "with no maximum") that gives the business an unlimited runway to dilute your entry. It's also why today's "current odds" are only ever provisional; see how UK prize draws work.
Prize substitution at the operator's discretion
A reasonable clause lets an operator substitute a prize of equal or greater value if the advertised one becomes genuinely unavailable, a discontinued car model, say. A hostile version is far broader: the right to swap the prize for "an alternative of similar value", or for a cash sum the operator decides, with no obligation to match the headline figure you saw when you entered.
The risk is that the cash alternative (the honest measure of what a prize is really worth) turns out to be far lower than the advertised retail value, or is set entirely at the operator's say-so. Before you enter, check that the terms state a fixed cash alternative, not a discretionary one. A clearly published, fixed cash figure is the number you should use when judging whether an entry is worth it.
The draw only happens "on sell-out"
Some terms say the draw will take place only once every ticket is sold, with no guaranteed date if it isn't. On its own that can be fair: it protects the operator from drawing a big prize on a handful of entries. But paired with an open-ended extension clause, it can mean a competition that never reaches its cap simply hangs in limbo: your money is committed, the prize isn't drawn, and there's no date by which you'll know the outcome.
Fair terms close this loophole. They commit to a backstop: if the cap isn't reached by the closing date, the operator will either draw anyway among the tickets sold, or scale the prize to entries, or refund, and they say which. Look for a guaranteed outcome by a fixed date, not an indefinite wait for a sell-out that may never come.
Cancellation with site credit instead of a refund
If a competition is cancelled, what happens to your money? The fair answer is a refund to your original payment method. A hostile clause instead converts your stake into site credit or "competition tokens" that can only be spent back on the same platform. You don't get your money back: you're locked into spending more with the operator that cancelled on you in the first place.
Credit-only refunds also strip away the buyer protection you'd normally have. Paying by card or a reputable wallet gives you a route to a chargeback; a balance of non-refundable site credit gives you nothing to fall back on. Check the cancellation section specifically for the words "credit", "tokens" or "account balance" where you'd expect to see "refund".
Low or undisclosed ticket caps
The ticket cap (the maximum number of entries) is what determines your realistic odds, because it's the figure your chances settle at if the competition sells out. Terms that don't disclose the cap at all make your true odds unknowable: you can see how many tickets have sold so far, but not the ceiling they're heading towards.
A quietly high cap is the more common problem. Say a £20,000 car is offered with a cap of 50,000 tickets at £1 each. The early "current odds" might look like 1 in 800, but if it sells out your real odds are 1 in 50,000, and the entry pool then totals £50,000 against a £20,000 prize. CompWatch always shows the if-sold-out odds alongside the current ones, and ranks competitions by their if-sold-out value for exactly this reason. Most paid entries still come out slightly negative once you do that maths. That's normal, and this isn't investment advice.
Changing the terms without notice
A clause that lets the operator "amend these terms at any time without notice", with the changes applying to entries you've already paid for, undermines the whole contract. You can read the terms carefully, enter on that basis, and then find the rules quietly rewritten (a longer closing date, a different draw method, a new prize) after your money is in.
Fair terms allow updates but protect existing entrants: changes apply only to future competitions, or material changes are notified to people already entered, who can withdraw for a refund if they don't accept them. Look for that protection. Terms that reserve a silent, retroactive right to change anything are a clear signal the risk has been engineered onto you.
Sweeping liability limits and awkward dispute terms
Some limitation of liability is standard and reasonable. What's hostile is the sweep: clauses disclaiming all responsibility "to the maximum extent permitted", combined with terms that make complaining deliberately hard. Watch for a complaints process with no contactable human, a requirement to raise disputes only through a slow or one-sided channel, very short windows to claim a prize, or governing-law and venue clauses that point somewhere inconvenient or outside the UK.
Under UK consumer law, terms that create a significant imbalance against the consumer can be unenforceable, but you don't want to be the test case. A trustworthy operator gives you a named contact, a clear complaints route and a sensible window to claim. Hard-to-find or hostile dispute terms tend to travel with the other clauses on this list.
How CompWatch factors hostile clauses into the trust grade
Every site we track is scored against weighted trust indicators (things like company longevity, published odds, a transparent draw, published winners, a free entry route and secure payments) and given a letter grade:
On top of those positive indicators, we read each operator's terms for the hostile clauses above. The more of them a site carries (open-ended extensions, discretionary prize swaps, credit-only cancellations, silent retroactive changes) the more its grade is held back. We also sense-check sustainability: if a site's past ticket revenue doesn't look like it covers the prize values it advertises, that "prize cover" concern can reduce the grade too. The full method is on our How We Rate page, and you can see any operator's grade and the indicators behind it on the site trust scores page.
What good, fair terms look like
- A fixed closing date and draw date, with any extension limited to one stated, time-bound exception.
- A clearly published, fixed cash alternative, not a discretionary one the operator sets later.
- A guaranteed outcome by a set date if the cap isn't reached: draw anyway, scale the prize, or refund.
- Cancellation refunds to your original payment method, not site credit or tokens.
- A disclosed ticket cap, so your if-sold-out odds are knowable before you enter.
- Terms that only change for future competitions, or with notice and a withdrawal option for existing entrants.
- Proportionate liability wording, a named contact, a clear complaints route and a sensible window to claim.
If you spot most of these, the operator has written its terms to be fair rather than to shift risk onto you. If you see the opposite, open-ended discretion at every turn, that's worth knowing before you spend. The same instinct helps you spot fake or scam competition sites more broadly.
See which operators write fair terms
We've already read the terms on the sites we track and folded the hostile clauses into a single trust grade. Look up any operator's score, the indicators behind it, and its live competitions.
Browse site trust scores →