Do I Have To Pay Capital Gains Tax on my Bitcoin and Cryptocurrency?

Bitcoin tax
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In the UK Capital Gains Tax (CGT) is payable on Bitcoin and any other cryptocurrency or cryptoasset.

Bitcoin (BTC), along with popular coins such as Ethereum (ETH), Litecoin (LTC), Bitcoin Cash (BCH) and even meme coins such as Doge, are effectively treated the same as shares by HM Revenue & Customs.

Most people who invest in cryptocurrency and add cryptoassets to their portfolios are hoping the price of the coin will rise.


As with other assets, if you then sell your cryptocurrency and your gains exceed your tax-free allowance (£3,000 – 2024/25 tax year) you may need to pay CGT.

Once you exceed this allowance you’ll pay 20% on your gains as a higher rate taxpayer or 10% if you pay the basic rate. (Note: this varies for other assets, such as property).

When you might have to pay Capital Gains Tax

According to HMRC, there are several events which could trigger a CGT liability.

They include:

  • Selling your cryptoassets
  • Exchanging one coin for another, ie Bitcoin to Ethereum
  • Paying for goods or services with cryptocurrency
  • Gifting tokens (unless to a spouse or civil partner)

In normal circumstances the calculation is simple. You deduct the amount you paid for the asset for the amount you sold it for to give you the gain.

How to reduce the amount of tax on my Bitcoin

There are certain things you can do to reduce the tax you pay on your cryptoassets.

For example, you can deduct certain costs to reduce your CGT liability, including transaction fees (paid to miners to process your transaction on the blockchain).

Advertising fees that you may have paid to find a buyer for your cryptoassets can also be deducted, along with any costs involved in drawing up a contract of sale.

Related link: How to avoid Capital Gains Tax on cryptocurrency

When the ‘pooling’ rules apply to your cryptoassets

If you own more than one type of cryptocurrency, your tax calculation is made through process known as pooling. It also applies if you stagger your investments over a period of time.

The cost and number of coins you buy is grouped together and effectively averaged out to make the calculation simpler.

The formula is readily available online, but if you’re unsure you should get a tax professional to help.

Regular traders and the 30-day rule

Things are slightly more complicated if you’re a regular trader and buy and sell tokens of the same type within a 30-day period.

Then, what’s known as the 30-day rule applies in a similar way as it does when you trade and dispose of shares.

Using Bitcoin (BTC) as an example, if you buy BTC within 30 days of selling BTC the coins are not classed as pooled.

Sometimes two calculations are needed on the same cryptoasset to taken into account pooled and non-pooled holdings depending on your investment or trading activity.

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Disclaimer: Nothing on this website constitutes financial advice. The information provided is for educational purposes only.

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