Bitcoin ETF Tax in the UK: CGT, ISA, and SIPP Eligibility

TL;DR. A UK resident selling a bitcoin ETF or ETP at a profit in a taxable account pays Capital Gains Tax at 18% within the basic rate band and 24% above it. Those rates have applied to assets other than residential property since 30 October 2024 and still apply in 2026 to 2027. The annual exempt amount is £3,000. You must fill in the Capital Gains pages of a tax return if your gains beat the allowance or your disposals were worth more than £50,000. The wrapper question changed on 6 April 2026: cryptoasset exchange traded notes can no longer sit in a stocks and shares ISA, only in an innovative finance ISA. And US-listed funds such as IBIT or FBTC are usually not buyable at a UK retail broker at all, for a reason that has nothing to do with tax.

What HMRC taxes, and when

Holding a bitcoin ETF or ETP is not a taxable event. The bill arrives on disposal, which means selling, switching products, or giving the holding away to anyone other than a spouse or civil partner. Physical bitcoin ETPs pay no dividend, so for most investors one number matters: the gain on disposal.

The gain is proceeds minus what you paid, minus dealing costs. A negative result is an allowable loss, worth reporting even in a year when you owe nothing. Two details catch people out: switching products counts as a disposal even though your exposure never changed, and the gain is computed in sterling, so a flat bitcoin price with a falling pound still produces one.

The rates, by tax year

Rates on assets other than residential property went up at the Budget of 30 October 2024. Anything written before that date, and plenty written after it, still quotes the old 10% and 20%. Here is what gov.uk lists today.

Period of disposal	Basic rate	Higher and additional rate	Annual exempt amount
6 April 2026 to 5 April 2027	18%	24%	£3,000
6 April 2025 to 5 April 2026	18%	24%	£3,000
30 October 2024 to 5 April 2025	18%	24%	£3,000
6 April 2024 to 29 October 2024	10%	20%	£3,000

The allowance has been cut twice: £12,300 in 2022 to 2023, £6,000 in 2023 to 2024, £3,000 in every year since. A gain that used to be invisible now lands on a tax return.

There is no UK equivalent of the US net investment income tax, so 24% really is the top of the scale for a straightforward disposal. Nor is there a long-term rate: a gain taken after ten years is taxed the same as one taken after ten days. The US comparison, where holding period changes everything, is in our guide to Bitcoin ETF tax in the USA.

How the rate is actually worked out

"18% or 24%" is shorthand. The mechanism stacks the gain on top of your income for the year and splits it at the top of the basic rate band. For England, Wales and Northern Ireland in 2026 to 2027 the personal allowance is £12,570 and the basic rate of income tax runs to £50,270, so the basic rate band itself is £37,700 wide. Higher rate starts at £50,271, additional rate at £125,140, and the bands differ in Scotland.

So: work out taxable income, see how much of the basic rate band is left, tax that much of the gain at 18% and the rest at 24%. A gain can straddle the boundary and be taxed at both rates in the same year, which is why "I am a basic rate taxpayer" is not by itself an answer.

Worked example: a £20,000 gain

Say you sell a UK-listed bitcoin ETP in 2026 to 2027 for a £20,000 gain, with no other disposals that year. The £3,000 allowance comes off first, leaving £17,000. What happens next depends entirely on income.

Total income	Basic rate band left	Taxed at 18%	Taxed at 24%	CGT due
£30,000	£20,270	£17,000	£0	£3,060
£45,000	£5,270	£5,270	£11,730	£3,764
£60,000	£0	£0	£17,000	£4,080

Reading the middle row: taxable income is £45,000 minus the £12,570 personal allowance, or £32,430, leaving £5,270 of the £37,700 basic rate band unused. That slice of the gain is taxed at 18% and the remaining £11,730 at 24%, so the bill is £3,764. The same gain costs £3,060 or £4,080 depending on nothing but salary, and splitting it across two tax years picks up two £3,000 allowances, worth £720 at 24%. That, plus loss harvesting, is most of retail CGT planning here. The loss side is in tax loss harvesting with Bitcoin ETFs, with the caveat that the UK 30 day rule below is stricter than the US wash sale rule.

When you have to tell HMRC

HMRC's notes to the Capital gains summary, form SA108 for the year to 5 April 2026, say to fill in those pages if your disposals "were worth more than £50,000" or your gains "were more than £3,000". The proceeds test is the one people miss: sell £60,000 of a bitcoin ETP at a small profit, or at a loss, and you are inside the reporting rules although the tax is nil.

The old rule of thumb, four times the annual exempt amount, is gone. With a £3,000 allowance that formula would give a £12,000 threshold; the real figure is £50,000. Anything still quoting £12,000 is out of date.

For the 2025 to 2026 return HMRC also added a block of cryptoasset boxes to SA108, starting at box 13.1, with their own lines for disposals, proceeds and costs. Those boxes are for cryptoassets themselves. Shares or notes in an exchange traded product are listed securities and belong in the listed shares and securities section instead, so an investor holding both reports them in different places on the same form.

Timing: gains go on the Self Assessment return for the tax year after the disposal, or through HMRC's real time service, which has to be used by 31 December in the tax year after the one in which you sold. The 60 day deadline you will find in search results is the residential property regime and does not apply here.

ISA and SIPP: what changed on 6 April 2026

This is the part of the topic where the internet is most out of date, and the part where being wrong costs the most. gov.uk lists four types of ISA and £20,000 a year to split between them. Its description of what each type can hold now says, in terms: "Cryptoasset exchange traded notes cannot be held in a stocks and shares ISA, unless they were held there before 6 April 2026." They go in an innovative finance ISA, alongside peer to peer loans and crowdfunding debentures.

Three consequences follow.

• A bitcoin ETP is not a stocks and shares ISA investment any more. Anything telling you to "just buy the LSE-listed one inside your S&S ISA" describes the old rules. Holdings already there before 6 April 2026 are grandfathered and can stay.
• You need an innovative finance ISA, and a provider who offers one. They are much rarer than stocks and shares ISAs, and offering one does not mean admitting crypto ETNs to it. The £20,000 allowance is shared across all four types.

SIPPs are a separate regime. What a self invested personal pension may hold is set by the scheme's own permitted investment list and by pension tax rules, not by the ISA list above, and providers differ on exchange traded products. The only reliable answer is your provider's list, in writing.

Direct bitcoin, held on an exchange or in a wallet, is not on gov.uk's list of what any type of ISA can hold. The only crypto exposure named there is the cryptoasset exchange traded note, in an innovative finance ISA.

One point worth stating plainly, because the opposite claim is common: inside a valid ISA there is no income to tax and no gain to tax, so questions about fund status and marginal rates do not arise there at all. If a product is not eligible for the wrapper, the problem is that it should not be in there, not that a hidden charge applies to it.

Three ways a UK resident can own bitcoin

	US-listed spot ETF (IBIT, FBTC, ARKB)	UK or EU listed physical bitcoin ETP	Bitcoin itself
Retail access in the UK	Usually blocked: no UK key information document, so a firm cannot sell it to a retail client	Yes, on the London Stock Exchange through mainstream brokers	Yes, via an exchange or self custody
Stocks and shares ISA	Moot in practice, since retail access is blocked	No, unless held there before 6 April 2026	No
Innovative finance ISA	Moot	Yes, if your provider offers one and admits the product	No
Tax in a taxable account	CGT at 18/24%, unless it is an offshore fund without reporting status, when the gain is charged as income	CGT at 18/24%	CGT at 18/24%
Where it goes on SA108	Listed shares and securities	Listed shares and securities	Cryptoasset boxes, from 13.1
Cost basis rule	Same day first, then anything bought back within 30 days, then the pool

For what each US product is, and how European ETPs differ in structure, see what a Bitcoin ETF is and our overview of the major Bitcoin ETF funds.

Why your broker will not sell you IBIT

This is the single most useful thing to understand about UK bitcoin ETF investing, and it is a distribution rule rather than a tax rule. Under the PRIIPs regime, as the FCA sets out, the manufacturer of a packaged retail investment product must prepare a key information document, and "a person who advises a retail investor on a PRIIP or sells a PRIIP to a retail investor must provide the retail investor with a KID in good time before any transaction is concluded". A US issuer selling a US trust to US investors has no reason to produce a UK KID, and without one a UK firm has nothing to hand over. The trade never gets offered.

Clients categorised as professional sit outside the retail protection, which is why the same broker can show a US ETF to one account and not another. European issuers use a note structure because a single asset fund cannot be a UCITS, the same wall EU investors hit; that side of it is in our EU tax guide.

Fees on European ETPs vary widely for economically identical exposure, and the only number to trust is the issuer's own factsheet for the line you are buying. 21Shares, for instance, publishes a management fee of 0.10% for its Bitcoin Core ETP, ISIN CH1199067674. Check before you switch as well as before you buy, because the switch is a disposal.

Reporting fund status, and where it actually matters

The offshore funds rules exist, in HMRC's words, "to charge gains to tax as income rather than as capital gains on realisations of interests in offshore fund investments, unless certain conditions are met". The condition that matters is reporting fund status. With it, an investor is taxed each year on their share of reported income and the disposal is a normal capital gain. Without it, the profit on sale is an offshore income gain charged at income tax rates, which run to 45%, rather than at 24%.

Three clarifications.

• It matters in a taxable account, not inside a wrapper. There is nothing to charge inside a valid ISA.
• It is a question about funds. Exchange traded notes and commodities are typically issued as debt securities by a special purpose issuer rather than as units in a fund. Whether a given product falls inside the offshore funds definition depends on its structure, not on the asset it tracks.
• It is checkable, and nobody should take a blog's word for it, this one included. HMRC publishes the full list of approved reporting funds as a spreadsheet, updated every month and searchable by fund name and ISIN.

So before buying any offshore product in a taxable account: take the ISIN from the factsheet, open HMRC's list and search for it. If it is not there, either the product is not an offshore fund at all or it is one without reporting status, and those answers have very different outcomes. Settle it with the prospectus or an adviser.

Pooling and the 30 day rule

Buying the same product repeatedly, which is what anyone averaging in does, creates a cost basis problem. HMRC's Cryptoassets Manual sets out the answer for coins, and the share identification rules work the same way for securities. Acquisitions of the same asset go into a single pool under section 104 with one pooled allowable cost, so a disposal takes an average cost rather than a specific lot. You cannot choose to sell your most expensive purchase. Two matching rules come first: everything bought and sold on the same day is treated as one acquisition and one disposal, then anything bought back within the 30 days following a disposal is matched against that disposal, earliest first, instead of going into the pool.

That rule is why a UK investor cannot crystallise a loss on Friday and buy the same ETP back on Monday. Unlike the US wash sale rule, which does not apply to direct crypto at all, the UK version covers cryptoassets and securities alike. Harvesting losses means waiting out the 30 days or holding a genuinely different asset in the gap.

Losses

Losses come off gains in the same tax year, and if that reduces the gain to the annual exempt amount the remainder carries forward. The claim has a deadline even though the use of it does not: gov.uk says you can claim up to four years after the end of the tax year of the disposal. A loss you never told HMRC about is not sitting there waiting for you, so in a year with a big drawdown and no gains to use it against, the return is still worth filing.

This is not tax advice

Everything above describes the general position of a UK resident individual and is written to show the shape of the rules, not to file on. Residence and domicile, holdings through a company, gifts, trusts, products bought before a rule change and Scottish income tax bands all move the answer, and rates change at every Budget. Check the current figures on gov.uk and talk to an accountant before acting, especially before a disposal you cannot undo.

FAQ

Sources and further reading

• HMRC, Capital Gains Tax rates and annual tax-free allowances: the rate table and the annual exempt amount by tax year.
• gov.uk, Individual Savings Accounts: how ISAs work: the four ISA types, the £20,000 allowance and the cryptoasset ETN rule from 6 April 2026.
• HMRC, Capital gains summary (SA108) and notes: when to complete the pages, the £50,000 proceeds test and the cryptoasset boxes.
• HMRC Cryptoassets Manual, CRYPTO22200: section 104 pooling, the same day rule and the 30 day rule.
• HMRC, Offshore funds: list of reporting funds: the monthly spreadsheet, searchable by fund name or ISIN.
• FCA, PRIIPs disclosure: key information documents: why a US-listed fund without a UK KID is not sold to retail clients here.

Internal: Bitcoin ETF tax in the USA, Bitcoin ETF tax in the EU, Bitcoin ETF vs spot bitcoin. For what the funds are doing day by day, use our Bitcoin ETF flow tracker and the fund directory.