Crypto Tax UK 2025/26: Complete Guide to HMRC Rules & Rates

Crypto Tax UK

Crypto tax in the UK can feel confusing – especially if you use multiple exchanges, DeFi platforms and wallets. HMRC now expects UK investors to keep detailed records, calculate their gains correctly and report crypto in a dedicated section of the Self Assessment return for the 2024/25 tax year onwards. EOACC

This guide explains how crypto tax in the UK works for the 2025/26 tax year, the main HMRC rules, and what you can do to stay compliant while not overpaying tax.

How HMRC Taxes Crypto in the UK

HMRC treats most cryptoassets (Bitcoin, Ethereum, tokens, NFTs and many DeFi positions) as property, not currency. GOV.UK+1

This means two main UK taxes may apply:

1. Capital Gains Tax (CGT)
   • Applies when you dispose of crypto – for example when you:
     • Sell crypto for GBP
     • Swap one token for another
     • Spend crypto on goods or services
     • Gift crypto (other than to a spouse/civil partner)
   • You pay CGT on the gain, not the total proceeds.
2. Income Tax
   • Can apply when you receive crypto, for example:
     • Staking or validator rewards
     • Mining income
     • Airdrops linked to services or promotions
     • Salary or freelancing paid in crypto
   • The GBP value on the date you receive the tokens is taxable as income.

Getting the split between capital and income correct is one of the most important parts of UK crypto tax.

Crypto Tax UK: CGT Allowance and Rates for 2025/26

For the 2025/26 tax year, each individual has a £3,000 Capital Gains Tax allowance (also called the “annual exempt amount”). Kraken+2Pie Tax+2

• If your total gains from crypto and other chargeable assets are below £3,000, you may pay no CGT.
• If total gains are above £3,000, you pay CGT on the amount over that allowance.

CGT rates on crypto now depend on your income band and the date of disposal. For the 2025/26 year, most non-residential crypto gains are taxed at 18% (basic rate band) or 24% (higher and additional rate bands). GOV.UK+2Koinly+2

Remember: CGT is calculated on all gains after losses, so using your losses effectively is key to minimising your crypto tax in the UK.

Income Tax on Crypto in the UK

Where HMRC considers your crypto to be income, it is taxed under the income tax system, not CGT.

Typical examples include:

• Staking rewards from exchanges, DeFi protocols or validators
• Mining activities carried out with a view to profit
• Referral bonuses or promotional token rewards linked to activity
• Salary, bonuses or freelance fees paid in crypto

These amounts are added to your other income (salary, self-employment etc.) and taxed at your marginal income tax rate (20%, 40% or 45% for most people).

In some cases, frequent and organised trading or mining may be considered a trade, which can have additional implications for expenses and National Insurance.

When Do You Need to Report Crypto Tax in the UK?

You normally need to register for Self Assessment and report your crypto if:

• Your total capital gains (from crypto and other assets) are above the CGT allowance (£3,000), or
• Your proceeds (total disposals) exceed four times the allowance, even if your gains are small, or
• You have any crypto income that is not already taxed through PAYE, or
• HMRC sends you a tax return notice or a nudge letter about your crypto holdings.

From 2024/25 onwards, HMRC has added a dedicated crypto section to the capital gains pages, making it clear they expect more detailed reporting of digital assets.

Common Crypto Tax Mistakes in the UK

Investors often make avoidable mistakes that increase their HMRC risk:

• Assuming crypto is “tax-free” until converted to GBP
• Ignoring swaps between tokens (these are disposals for CGT)
• Not tracking DeFi transactions, liquidity pool entries and exits
• Losing historic CSVs and wallet records
• Double-counting transfers between own wallets as taxable disposals
• Failing to report losses, meaning they cannot be used in future years

Because crypto data can be spread across dozens of exchanges and wallets, these errors are easy to make without specialist tools.

How to Reduce Your Crypto Tax UK Bill (Legally)

Some key ways UK investors can legally manage their crypto tax include:

• Using the £3,000 CGT allowance each year where possible
• Reporting and carrying forward capital losses
• Considering negligible value claims on worthless tokens
• Timing disposals across different tax years
• Reviewing whether activity is capital or income to ensure correct treatment

A tailored review can help identify opportunities specific to your situation.

How MyCryptoTax Helps with Crypto Tax in the UK

At MyCryptoTax, the focus is 100% on UK crypto tax:

• Reconciling wallets, exchanges, NFTs and DeFi activity
• Calculating gains and income using HMRC-approved methods
• Preparing Self Assessment returns and supporting schedules
• Handling HMRC nudge letters, enquiries and disclosures
• Providing ongoing tax planning as your crypto strategy evolves

If you need help with your crypto tax in the UK, expert support can save you time, stress and potentially a significant amount in overpaid tax.

Ready to Get Help with Your Crypto Tax UK Position?

If you are unsure whether you have reported everything correctly – or have never declared crypto before – now is the ideal time to get organised.

👉 Ready to take control? Book your free crypto tax review and consultation with MyCryptoTax.co.uk today. 

Visit: MyCryptoTax

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© My Accountancy Team 2025 All Rights Reserved – The above articles are provided for guidance only and may not cover your personal circumstances so you should not rely on them. It is important that you seek appropriate professional advice which takes into account your personal circumstances where you can provide the full facts of the case and all documents related to your case. My Accountancy Team Ltd t/a mycryptotax.co.uk, cannot be held responsible for the consequences of any action or the consequences of deciding not to act.