Is bitcoin mining legal? In the UK, none of the HMRC, FCA or Sentencing Council pages this desk read prohibits mining itself, and HMRC’s own manual sets out how mining rewards are taxed. The criminal line is the power supply: running rigs on stolen electricity risks abstracting electricity, an offence in England and Wales carrying up to five years’ custody.

This is an evergreen explainer, read from HMRC, the Sentencing Council and the FCA on 18 October 2026.

Mining is the process of using computers to verify additions to a blockchain in return for newly created tokens. No page this desk read forbids it. HMRC writes guidance on taxing it. That is a scoped finding: we read three official bodies’ pages, not every statute, and did not check Scotland or Northern Ireland.

Do you pay tax on bitcoin mining in the UK?

Yes, on HMRC’s reading. Its Cryptoassets Manual page CRYPTO21150 (published 30 March 2021, updated 28 November 2025) splits miners into two groups.

If the activity amounts to a trade, the tokens are trade receipts. Whether it does depends on factors HMRC lists, including degree of activity, organisation, risk and commerciality.

If it is not a trade, HMRC says the pound sterling value of the tokens, at the time of receipt, is taxable as miscellaneous income, with any appropriate expenses reducing the amount chargeable. Keep the coins and HMRC says you may have to pay Capital Gains Tax when you later dispose of them. See also HMRC’s first crypto gains numbers.

When does crypto mining become illegal?

When the electricity is stolen. The offence is about the power, not the mining. Abstracting electricity is an offence under section 13 of the Theft Act 1968. The Sentencing Council guideline for England and Wales (effective 1 February 2016, last updated 5 October 2026) lists it as triable either way, with a maximum of five years’ custody and an offence range from a discharge to one year’s custody.

On 23 May 2025 the BBC reported that West Yorkshire Police had found computer terminals mining cryptocurrency on an illegal electricity supply at an industrial premises in Holme Lane, Bradford. The report names no arrest or charge.

Does a miner need to register with the FCA?

Not for mining, on the FCA page read. Its who needs to register page (last updated 8 October 2026) lists the Money Laundering Regulations services that need registration: cryptoasset exchange providers, including ATMs and peer-to-peer providers, and custodian wallet providers. Mining is not on that list. On that page, the registration perimeter starts with the firms that exchange or hold the coins. How the regime starting 25 October 2027 treats mining was not checked; see our FCA gateway guide for what it changes, and our satoshi explainer for the unit mining pays in.

Questions readers ask

Does Bitcoin mining give you real money?

It gives you tokens, and HMRC treats those as having a sterling value. Under CRYPTO21150, if the mining is not a trade, the pound sterling value of the tokens at the time you receive them is taxable as miscellaneous income, less appropriate expenses. Turning them into pounds means exchanging them, usually through an exchange firm.

What happens if I mine 1 Bitcoin?

For tax, HMRC’s manual answers it: its sterling value when it lands is either a trade receipt or miscellaneous income, depending on how organised and commercial your mining is. If you keep it, HMRC says you may have to pay Capital Gains Tax when you later dispose of it. This desk read no rates or allowances, so we print none.

Is it risky to mine Bitcoin?

The legal risks are the ones covered here: tax owed on the value of what you mine, and a criminal offence if the electricity is not legitimately yours. In England and Wales abstracting electricity carries a maximum of five years’ custody, per the Sentencing Council. Whether mining pays is a separate question this desk does not answer.

The tax, the electricity and the coins are your risk. Crypto assets are high risk, and nothing here is financial advice.