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UK Crypto Tax Guides

Practical guides on UK crypto tax rules, HMRC deadlines, and how to stay compliant. Every tax figure in these guides is taken from HMRC's published guidance on gov.uk and cited to it, and each guide lists its sources and the date it was last reviewed.

HMRC Compliance

Backdated Crypto Tax Returns: Correcting Previous Years

How to correct undeclared UK crypto income and gains from earlier tax years, reconstruct records and choose the appropriate HMRC route.

7 min readRead guide →

Last reviewed 15 September 2026

HMRC Rules

CARF UK: Crypto Reporting in 2026

CARF is live. UK cryptoasset service providers must collect user and transaction data and send their first report to HMRC between 1 January and 31 May 2027.

9 min readRead guide →

Last reviewed 30 July 2026

HMRC Compliance

HMRC Crypto Voluntary Disclosure

How to approach undeclared crypto income and gains, choose a correction route and prepare records for an HMRC voluntary disclosure.

5 min readRead guide →

Last reviewed 14 September 2026

HMRC Compliance

HMRC Crypto Nudge Letter Help

Received an HMRC crypto letter? Understand the response deadline, records to gather and how disclosure and penalties depend on your circumstances.

5 min readRead guide →

Last reviewed 14 September 2026

Tax Guides

DeFi Tax UK: Staking, Lending and Yield Farming

Understand how UK tax treatment of staking, lending and liquidity pools depends on the arrangement, beneficial ownership and the nature of the return.

5 min readRead guide →

Last reviewed 14 September 2026

Tax Guides

Bitcoin CGT and Self Assessment: A Step-by-Step Guide

Every time you sell, swap, or use Bitcoin, HMRC treats it as a taxable disposal. Here is exactly how to calculate your gain and what to put on your tax return.

8 min readRead guide →

Last reviewed 27 July 2026

Tax Guides

UK Crypto Tax Guide 2025/26: Everything You Need to Know

UK crypto investors pay Capital Gains Tax on profits from selling, swapping, or gifting crypto. Here is how the rules work, what you need to report, and the deadlines you cannot miss.

10 min readRead guide →

Last reviewed 30 July 2026

Tax Guides

Crypto Tax Deadlines 2025/26

The key deadlines for UK crypto tax are 31 October (paper return) and 31 January (online return). Miss them and HMRC's late filing penalties begin.

5 min readRead guide →

Last reviewed 27 July 2026

UK Crypto CGT Calculator

Estimate your Capital Gains Tax liability for 2025/26. Free, instant, no sign-up.

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