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transactional United Kingdom · GB UNI

How to sell Uniswap in United Kingdom

Verified 2026-06-03 · 2 primary regulators · 4 venues compared

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Reviewed by Stephan Kulik · Last updated: · How we rank

Short answer

Selling UNI for GBP in the UK in 2026 IS a CGT disposal. Section 104 pool basis applies. 2021 cycle (~£35-£40) UK buyers substantially underwater = loss-harvest candidates (UK 30-day rule applies). 2020 UK airdrop recipients (£3 basis at receipt FMV) have substantial gains.

Fee comparison

All-in cost per venue across the most-common payment + settlement paths. Verified 2026-06-03.

Venue Sell FeeWithdrawal FeeMin SellUni SpecificSpeed
Coinbase UK Advanced 0.0%/0.6%Faster Payments free£0.01Section 104 trackedPair instant
Kraken UK Pro 0.16%/0.26%Faster Payments £0.50£5UNI-GBP pairPair instant
Crypto.com Exchange 0.075%Faster Payments free£1StandardPair instant
Gemini UK ActiveTrader 0.20%/0.40%ACH free£0.01Full UNI supportPair instant

Regulatory framing — United Kingdom

UNI disposals via UK self-assessment. 2020 airdrop = £FMV income at receipt + that FMV = cost basis. 2021 peak loss-harvest candidates. CGT rates 10%/20%.

Primary regulators: FCA · HMRC

Common gotchas

  • 2020 airdrop = income at FMV at receipt + that FMV is cost basis.
  • Section 104 pool blends airdrop + purchased UNI.
  • 2021-cycle loss-harvest candidates.
  • UK 30-day rule prevents bed-and-breakfast.
  • No UK UNI ETN.

Step-by-step

  1. Pull UNI Section 104 pool basis. Including airdrop FMV.
  2. Plan around 30-day matching. UK loss-harvest planning.
  3. Trade UNI-GBP. Pro tier limit.
  4. Withdraw GBP. Faster Payments.
  5. Record disposal. Pool basis.
  6. Plan annual allowance. £3,000.

Tax summary

Selling UNI for GBP in the UK IS a CGT disposal. UK 30-day rule. 2020 airdrop basis = FMV at receipt. CGT rates 10%/20%. Annual allowance £3,000. See HMRC Cryptoassets Manual.

Where to read further

Methodology

Fee data verified directly against each venue's public fee schedule on 2026-06-03. Regulatory framing cross-referenced against the Stage 1d info-layer + primary government sources (fca-cryptoasset, hmrc-cryptoassets-manual). Gotchas reflect operating experience + community-reported failure modes during the verification window. This page is editorial reference content — not financial, tax, or legal advice. Always verify the current state of each venue and the current law in United Kingdom before transacting.

Disclaimer

This page is general information, not financial, tax, or legal advice. Cryptocurrency regulation in United Kingdom evolves; verify the current rules with a qualified professional in your jurisdiction before relying on any specific approach. See terms.

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