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UK crypto tax, explained.

Plain-English guides to how HMRC taxes crypto. Every rule is cited back to the HMRC manuals and the legislation. They are the rules Maneta applies to your records.

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How UK crypto tax works (capital gains, 2026/27)

A plain-English guide to UK crypto capital gains tax: when you owe it, how HMRC pools your coins, the £3,000 allowance, the 18%/24% rates and the SA108.Checked for 2026/27 · June 20266 min read
Cost basis

Section 104 pooling explained

How HMRC Section 104 pooling works for crypto: every coin of the same type shares one weighted-average cost basis. Worked through in plain English.Checked for 2026/27 · June 20265 min read
Matching rules

The same-day and 30-day (bed and breakfast) rules

HMRC matches crypto disposals to same-day and next-30-day acquisitions before the Section 104 pool. What the rules are, and why they catch out loss harvesting.Checked for 2026/27 · June 20265 min read
Allowances and rates

UK crypto tax allowances and rates 2026/27

The 2026/27 numbers for UK crypto Capital Gains Tax: the £3,000 Annual Exempt Amount, 18%/24% rates, the £50,000 reporting threshold and the filing deadline.Checked for 2026/27 · June 20264 min read
Income or gains

Tax on staking, mining and DeFi income

Staking rewards, mining and many DeFi returns are usually income, taxed in GBP at the value you received them — then capital gains applies again when you later sell.Checked for 2026/27 · June 20265 min read
What exchanges report

CARF: what HMRC will see from your exchanges

Under the Cryptoasset Reporting Framework, exchanges collect your trade data from 2026 to report to HMRC, with first reports due in 2027. What it means for your return.Checked for 2026/27 · June 20264 min read
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These guides are general information about UK tax rules, not personal tax advice. Every guide was checked for the 2026/27 tax year in June 2026.