Crypto Gambling Tax UK: Are Casino and Betting Winnings Taxable?
Whether crypto gambling winnings are taxable in the UK, why the crypto itself still triggers Capital Gains Tax, and how HMRC views betting with cryptoassets in 2025/26.
Crypto casinos and betting platforms have grown fast, and a common question follows: are crypto gambling winnings taxable in the UK? The answer has two parts, and most people only think about the first one.
Gambling winnings themselves are not taxed
The UK does not tax gambling winnings. Whether you win on sports betting, poker, slots, or a casino game, the winnings are not subject to Income Tax or Capital Gains Tax. This applies regardless of whether you bet in pounds or in crypto. HMRC's long-standing position is that betting is not a trade and winnings are not taxable income.
But the crypto movements around the bet usually are
Here is the catch. To gamble with crypto you typically have to dispose of cryptoassets, and disposals are taxable events for Capital Gains Tax. Two things commonly trigger CGT:
Converting crypto to place a bet. If you swap ETH or BTC into the platform's required token, or sell crypto to fund a deposit, that swap or sale is a disposal. You calculate a gain or loss against your Section 104 pool cost basis at that moment.
Receiving and later disposing of winnings. The winnings arrive as crypto. Their GBP value on receipt becomes the cost basis. When you later sell or swap those coins, any price change is a capital gain or loss subject to CGT.
So while the act of winning is tax-free, the surrounding crypto conversions are squarely inside the CGT regime.
The 2025/26 thresholds
The CGT allowance is £3,000 for 2025/26, with gains taxed at 18% or 24% depending on your income band. You must file a Self Assessment return if gains exceed the allowance or total disposal proceeds exceed £50,000 — and frequent deposits and withdrawals can push proceeds over that line quickly.
Records you should keep
Track every deposit (a disposal of the funding crypto), every withdrawal (acquisition at GBP value on the day), and any in-platform token swaps. Crypto casino activity generates a lot of small disposals, which is exactly where pooled cost-basis tracking becomes essential. CryptoLens reconstructs these movements from your wallet so the taxable conversions are separated from the tax-free winnings.
This is general information, not tax advice; gambling-related tax can be fact-specific, so consider professional advice for large or frequent activity.
Frequently asked questions
Do I pay tax on crypto gambling winnings in the UK?
The winnings themselves are not taxed — UK gambling winnings are exempt. However, converting crypto to bet and later disposing of crypto winnings are Capital Gains Tax events.
Why would I owe CGT if gambling is tax-free?
Because funding a bet usually means selling or swapping crypto, and that disposal triggers CGT on any gain. The same applies when you later dispose of winnings received as crypto.
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