UK crypto tax, explained.
Plain-English guides to how HMRC taxes crypto — every rule cited back to the HMRC manuals and the legislation. The same knowledge Maneta uses to work out your return.
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.
6 min read →Cost basisSection 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.
5 min read →Matching rulesThe same-day and 30-day (bed & 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.
5 min read →Allowances & ratesUK crypto tax allowances & 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.
4 min read →Income vs gainsTax 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.
5 min read →CARF & reconciliationCARF: 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.
4 min read →These guides are general information about UK tax rules, not personal tax advice. Figures are for the 2026/27 tax year.