Crypto CGT Allowances in the UK: What You Can Keep Tax-Free 

Crypto CGT Allowances in the UKWhat You Can Keep Tax-Free

Executive Summary: Your Crypto Tax-Free Snapshot 

For UK cryptocurrency investors, staying ahead of tax rules is essential for both compliance and financial stability. The UK tax framework treats most gains from crypto under Capital Gains Tax (CGT), not Income Tax, unless HMRC classifies the activity as trading at a professional level. The most important element for investors is the annual CGT allowance, officially called the Annual Exempt Amount (AEA). For the 2024/25 and cgt allowance 2025/26 tax years, this figure has been sharply reduced to just £3,000 per individual, down from more generous limits in earlier years. This means the UK crypto tax-free allowance is tighter than ever, and every investor needs to carefully monitor their disposal across all assets, not just crypto, to avoid unexpected liabilities.  

While the allowance is the primary shield, there are other useful reliefs. Simply buying cryptocurrency or holding it long-term does not trigger taxes on crypto. Moving assets between your own wallets is also exempt. Another effective tool is the ability to transfer or gift crypto to a spouse or civil partner under HMRC’s crypto CGT allowance rules. These “no-gain/no-loss” transfers can effectively double a couple’s tax-free crypto gains, allowing them to use both partners’ allowances together. Additionally, investors can engage in crypto tax planning through strategies like “tax loss harvesting,” where losses from underperforming coins are offset against gains. With HMRC enhancing enforcement and rolling out new reporting standards, using the available crypto capital gains tax exemption strategies has become a critical part of wealth preservation.  

The Foundation of UK Crypto Tax  

The UK government’s approach to digital assets is guided by a consistent legal principle: crypto is not treated as currency but as a chargeable asset. This means that profits fall under capital gains tax on crypto UK rules rather than ordinary income tax. By defining tokens such as Bitcoin or Ethereum as property, HMRC ensures that crypto investors benefit from allowances like the annual CGT allowance, which would not apply if crypto were categorised as income.  

A central feature of this regime is the idea of a “disposal.” Tax is not triggered by merely holding crypto but by events where beneficial ownership changes. Under HMRC crypto CGT rules, a disposal includes:  

  1. Selling crypto for fiat currency such as GBP.  
  2. Trading one crypto asset for another, e.g., capital gains tax on Bitcoin when swapped for capital gains tax on Ethereum.  
  3. Spending crypto on goods or services, with the market value treated as a taxable disposal.  
  4. Gifting crypto to anyone other than a spouse or civil partner.  

By contrast, certain activities fall outside the tax net. Buying crypto with fiat, HODLing coins indefinitely, or transferring tokens between your own wallets do not incur a tax on crypto gains UK.  

This framework underscores why UK investors need to separate taxable from non-taxable events clearly. The HMRC crypto allowance guide is built on this disposal concept. Understanding these boundaries enables smarter crypto tax planning, ensuring investors remain compliant while taking full advantage of their UK crypto CGT allowances explained by law.   

The Cornerstone of Tax-Free Gains: The Annual Exempt Amount  

UK crypto investors benefit most from the Annual Exempt Amount. This lets you make a certain profit on your investments each year without paying taxes. People can claim a £3,000 allowance for the 2024/25 tax year, also for the 2025/26 tax year. You can make up to £3,000 profit from selling things like cryptocurrency, stocks, shares, or a second home, without owing Capital Gains Tax. This applies to all your items that could create a profit. If someone makes less than £3,000 from selling things in a year, they do not have to pay capital gains tax.  

 The limit is now £3,000, a notable drop from what it used to be. This shows the government wants to collect more tax from these investments. 

Tax Year 

Individual Allowance 

Trust Allowance 

2022/23 

£12,300 

£6,150 

2023/24 

£6,000 

£3,000 

2024/25 & 2025/26 

£3,000 

£1,500 

The sharp fall in the crypto CGT allowance marks a turning point in the UK’s approach to taxing digital assets. Previously, the more generous thresholds meant that many casual or small-scale investors were shielded from liability and often had no need to file reports with HMRC. Now, with the UK cgt allowance reduced to just £3,000, thousands of investors who once remained outside the tax net are being drawn into the system. This not only increases the burden of tracking transactions but also underlines the government’s intention to capture a larger share of revenue from the expanding crypto economy. 

tax free gains

HMRC has made it clear that this is not a temporary measure. By tightening the CGT tax-free allowance, the government expects to close the tax gap and significantly increase annual receipts. Forecasts suggest that new reporting rules alone could add millions in revenue by April 2030. This shift illustrates how HMRC guidance on crypto gains has moved from educational advice to active enforcement, ensuring that both large and small investors contribute their share of tax. A critical detail often overlooked is that reporting obligations may arise even when no tax is ultimately payable. If the total proceeds from disposals of chargeable assets exceed four times the annual CGT allowance, currently £12,000, then HMRC requires the transaction details to be declared. In practice, this means an investor could generate no taxable profit, remain within the crypto capital gains tax exemption, yet still need to report activity. Understanding this nuance is key for compliance, as failing to report when required can expose investors to penalties, even if no tax on crypto gains is owed.   

Navigating Your Tax Liability: From Gains to Taxable Gains  

For crypto investors in the UK, calculating tax liability is more than simply subtracting the purchase price from the selling price. HMRC has set out precise rules on how to establish the cost basis of a transaction, ensuring that all calculations of capital gains tax crypto are fair, consistent, and resistant to manipulation.  

At its simplest, the formula for a gain is:  

Gain = Disposal Value – Cost Basis  

Here, the disposal value is the market worth of the asset at the time of the sale or swap, converted into GBP. The cost basis includes not just the original purchase price but also related expenses such as exchange fees, transfer costs, or commissions. This level of detail is crucial for compliance with HMRC crypto CGT rules. 

HMRC’s Matching Rules for Cost Basis 

Frequent traders face greater complexity. HMRC has a strict hierarchy of rules to prevent abuse of the crypto CGT allowance by “cherry-picking” losses or engaging in wash sales. These rules determine how disposals are matched with prior acquisitions:  

  1. Same-Day Rule: Disposals are first matched to acquisitions of the same asset purchased on the same day.  
  2. Bed and Breakfasting Rule: If unmatched, disposals are next paired with any identical crypto bought within 30 days after the disposal.  
  3. Section 104 Pooling Rule: Remaining units are matched to a pooled holding. This pool averages the acquisition costs of all identical tokens acquired over time.  

This hierarchy ensures that investors cannot manipulate the sequence of their trades to inflate crypto capital gains tax exemption claims artificially. It also makes detailed record-keeping essential. Many investors now rely on specialized tax software or professional advisors to comply with these complex matching rules.  

Worked Examples of Taxable Gains  

Let’s look at how gains, losses, and the UK crypto tax-free allowance interact in practice:  

Example 1: Selling for Fiat  

  1. Acquisition Cost: £2,500  
  2. Disposal Value: £6,000  
  3. Gain: £6,000 – £2,500 = £3,500  

Here, the Gain exceeds the CGT allowance 2025/26 of £3,000, leaving a taxable gain of £500. The investor pays CGT on this £500 at either 18% or 24%, depending on income level.  

Example 2: Crypto-to-Crypto Swap  

  1. Acquisition Cost: £4,000  
  2. Disposal Value (value of new crypto): £6,500  
  3. Gain: £6,500 – £4,000 = £2,500  

Because the Gain is below the HMRC crypto tax-free threshold, no CGT is owed. This highlights how swaps can remain tax-free if kept within the allowance.  

Example 3: Mixed Transactions and Offsetting Losses  

  1. Gain from Crypto A: £1,000  
  2. Loss from Crypto B: –£300  
  3. Net Gain: £700  

The net Gain of £700 falls within the crypto gains tax-free limit, so no CGT applies. This shows the power of offsetting losses as an important tool in crypto tax planning that can legally reduce your overall liability.  

Advanced Tax Strategies for the Astute Investor  

While the annual CGT allowance provides the first line of defence against liability, experienced investors often employ additional strategies to minimise tax on crypto gains UK. These are not loopholes; rather, they are well-established features of the UK’s capital gains tax on crypto UK framework that apply to all chargeable assets.  

Tax Loss Harvesting  

One of the most practical methods is tax loss harvesting. This involves selling underperforming coins to realise a capital loss, which can then be offset against profits from other disposals. For example, if an investor reports £5,000 in total gains but locks in a £2,500 loss, the net taxable Gain is reduced to £2,500, comfortably below the HMRC crypto tax-free threshold. 

This means no CGT is owed. Even more valuable is the ability to carry forward unused losses indefinitely, enabling future offset against gains from assets such as Bitcoin or Ethereum. In this way, harvesting losses becomes a powerful long-term strategy in crypto tax planning.  

Spousal and Civil Partner Transfers  

A smart move involves using tax rules for gifts of crypto between spouses to lower your Capital Gains Tax. If a couple transfers property to each other while they live together, it doesn’t create a taxable profit or loss. When one spouse receives property, they take over the original purchase price. The spouse giving the property doesn’t face taxes right away. Husbands, wives, and partners can combine their tax benefits for cryptocurrency gains in the UK. Each person gets an annual allowance, so using both allowances means you pay less tax.  

Families can make up to £6,000 from cryptocurrency without paying taxes during the tax year starting in 2025, finishing in 2026. When a couple transfers assets to each other, it often saves on taxes. This works best if one person earns more, paying higher taxes, while the other person has tax benefits available or earns a smaller income.  

Other Legal Optimisation Tactics  

  1. Strategic Timing of Disposals: By selling assets just before and after the tax year-end (April 5), investors can use two separate HMRC crypto allowance guide thresholds in quick succession. This can be especially useful for larger disposals of high-value assets.  
  2. Charitable Donations: Donating crypto assets directly to registered UK charities can reduce exposure to capital gains tax on crypto, while simultaneously supporting a cause. These donations are exempt from CGT and can also qualify for income tax relief.  
  3. The ISA Misconception: Crypto cannot be held directly inside an ISA. However, investors can still gain tax-free exposure by holding crypto-linked equities or ETFs that track blockchain indices within a Stocks and Shares ISA. This method doesn’t eliminate taxes on crypto directly, but provides indirect shelter within the broader UK CGT allowances explained framework.  

These strategies are embedded within HMRC’s system and reflect the intended design of the law. By understanding them, investors can transform compliance from a reactive obligation into an active, long-term element of wealth building. Properly executed, crypto capital gains tax exemption strategies like these allow investors to remain compliant while optimising returns.   

hmrc

CGT vs. Income Tax: A Critical Distinction  

Lots of people investing in cryptocurrencies get tripped up trying to figure out if they owe taxes on their profits as gains from investments or as regular income. This difference can really change how much tax someone owes, and also what they need to report. You pay Capital Gains Tax on money you make when you sell crypto, like we talked about earlier. Here’s how taxes work for individuals investing in crypto, keeping it for a while, then selling. From October 30, 2024, people who pay income tax at the lower rate will pay 18% on capital gains.  

Those who pay at the higher or top rate will pay 24%. In contrast, Income Tax applies to the value of a crypto asset received as a reward, payment, or through certain other earning activities. This can be a far more costly tax burden, with rates ranging from 20% to 45% based on a person’s total income.  

Activities typically classified as income include:     

  1. Mining Rewards: The value of tokens received from verifying transactions is generally considered miscellaneous income. However, if the activity is frequent and organised, it may be classified as a trade, in which case it would also be subject to National Insurance contributions.     
  2. Staking Rewards: The value of tokens received from staking is typically classified as miscellaneous income at the time of receipt. HMRC’s guidance suggests this is likely the case if the returns are predictable and paid periodically.     
  3. DeFi Yields: Rewards from decentralised finance activities, such as lending or liquidity pools, follow a similar logic to staking. If the returns are fixed or predictable, they are likely to be treated as income when received.     
  4. Airdrops: The tax treatment of airdrops depends on the circumstances of receipt. If an airdrop is received passively, without providing a service in exchange, it is typically not considered income at the time of receipt. Still, it is instead subject to CGT upon its later disposal. However, if the airdrop is received for a service or as part of an ongoing activity, it is likely to be taxed as income.     
  5. Payment for Goods/Services: If a person receives crypto as payment for their work, the value of that crypto is considered income and may also be subject to National Insurance contributions.     

The distinction between a private investor and a professional trader is a high-stakes, subjective line drawn by HMRC. The key difference lies in the frequency and purpose of the activity. An individual who engages in frequent, short-term buying and selling with the intention of creating a professional business, rather than a passive investment, may be reclassified as a trader. This reclassification would subject all of their profits to the higher Income Tax rates and National Insurance Contributions, a far greater tax burden than CGT.      

The subjectivity of this distinction places the burden of proof on the taxpayer. It means that an investor cannot simply assume they are a “private investor” but must actively manage their trading habits and record-keeping to demonstrate their investment intent. This is not just a technicality but a significant risk element that goes beyond simple calculation and into the realm of legal compliance and behavioural management. 

Aspect 

Capital Gains Tax (CGT) 

Income Tax 

When it applies 

When you sell, trade, swap, spend, or gift crypto and make a profit    

When you earn crypto through mining, staking, airdrops, DeFi yields, or as payment for goods/services    

Type of gain 

Profit from selling or disposing of crypto assets    

Value of crypto received as income    

Allowance (2024/25) 

£3,000 annual CGT allowance    

£12,570 Personal Allowance (most taxpayers)    

Tax Rates 

18% (basic rate) and 24% (higher rate)    

20% (basic rate), 40% (higher rate), 45% (additional rate)    

National Insurance 

Not applicable    

May apply if income is from a trade or employment    

Reporting Method 

Declared on Self-Assessment via form SA108    

Declared on Self-Assessment via form SA100    

Reporting and Future Compliance 

For UK crypto investors, tax obligations are managed through the standard Self-Assessment system. For the 2024/25 tax year (covering April 6, 2024, to April 5, 2025), the deadline for online submission is January 31 2026. Missing this date can trigger penalties, so accurate and timely reporting is essential.  

Two main forms are involved in declaring your crypto activity:  

  1. Form SA100: the core Self-Assessment tax return, where any crypto income, such as rewards from mining, staking, or DeFi, is declared under income tax rules.  
  2. Form SA108: the Capital Gains Summary, where disposals and gains are reported under the capital gains tax crypto regime. This includes trades, swaps, and sales, with any reliefs or losses also recorded here.  

Failing to submit these forms correctly can be costly. HMRC applies penalties ranging from small fines to charges of up to 100% of unpaid tax, depending on whether errors are seen as careless, deliberate, or deliberately concealed. This highlights the importance of understanding how HMRC crypto reporting CGT works and ensuring compliance.  

The Coming Era of Automated Data Sharing  

The most significant change on the horizon is the introduction of the OECD’s Crypto Asset Reporting Framework (CARF). From January 2026, UK-based exchanges and service providers will be obliged to collect and share detailed user data with HMRC. Information passed on will include names, addresses, dates of birth, tax residency, and complete records of crypto transactions and disposals. For investors, this marks a shift from a system once based largely on trust to one of strict, automated oversight. The days when unreported crypto activity might go unnoticed are ending.  

Once CARF is active, HMRC will have direct access to transaction histories, making it easier to cross-check claims against blockchain records and exchange data. This evolution reinforces the need for proactive crypto tax planning. Keeping clear records, accurately tracking disposals, and staying within the crypto CGT allowance or UK crypto tax-free allowance is no longer optional; it is vital for avoiding penalties. For those holding assets like Bitcoin or Ethereum, the message is simple: the reporting net is tightening, and compliance will be enforced with far greater precision.

Automated Data Sharing

Case Study: How One of our Client Reduced Their Crypto Tax Bill with Lanop 

One of our clients, a higher-rate taxpayer, approached us in early 2025 after making several crypto disposals. They had sold Ethereum worth £5,500, originally purchased for £2,500, which created a £3,000 gain. On its own, this fell neatly within the £3,000 CGT allowance, meaning no tax liability. 

Later that same year, however, the client sold Bitcoin worth £4,000, originally bought for £1,500. This generated an additional £2,500 gain, pushing their total annual gains to £5,500, well above the tax-free limit. As a result, they were facing a Capital Gains Tax bill of £600 at the 24% higher-rate band. 

At Lanop, we reviewed their complete portfolio and identified a £1,200 loss from an underperforming DeFi project. By applying this loss to offset part of the gain, the client’s taxable amount dropped from £2,500 to £1,300, cutting their tax bill nearly in half from £600 to just £312. We also advised the client on strategic planning for the next tax year, including transferring part of their Bitcoin holdings to their spouse. This would allow the household to benefit from a combined £6,000 tax-free allowance, significantly reducing exposure to future CGT. 

This case demonstrates how Lanop helps clients: 

  1. Track and report disposals accurately to avoid compliance issues. 
  2. Leverage tax loss harvesting to minimise liability. 
  3. Use spousal transfers to maximise allowances across a household. 
  4. Plan disposals strategically around tax year boundaries for long-term savings. 

With Lanop’s guidance, the client not only reduced their immediate liability but also built a more tax-efficient strategy for future gains. 

How Lanop Can Guide You Through UK Crypto Tax  

For many people investing in crypto, understanding how UK tax rules apply can be difficult. HMRC has strict requirements, but knowing whether profits fall under Capital Gains Tax or Income Tax is not always clear. This is where Lanop Business and Tax Advisors steps in, offering straightforward advice and support tailored to your situation. Our experts focus on helping you keep more of what you earn. We explain how to use the £3,000 Annual Exempt Amount, claim relief on losses, and apply the no-gain/no-loss transfer between spouses. These strategies can make a real difference to your overall tax bill. We also take care of the practical side, maintaining accurate records, preparing returns, and clarifying how HMRC views activities such as mining, staking, or high-volume trading. With Lanop at your side, you can stop worrying about the rules and concentrate on growing your investments with confidence.   

Now that you know about the CGT allowance, let’s look at how you can offset crypto losses to reduce your tax bill legally.

FAQs

What is the CGT allowance for crypto in 2024/25?

For the tax year beginning in 2024, people in the UK can earn £3,000 from selling assets without paying Capital Gains Tax. This is called the Annual Exempt Amount. You can make up to £3,000 profit from things you sell, like cryptocurrency, stocks, or buildings, without needing to pay tax on the gain. You don’t have to pay taxes if your profits are less than this amount. If you sell something for more than your tax-free amount, the tax office needs you to pay tax on the extra money, using your usual tax rate.  

If your total profits for the year are below the £3,000 Capital Gains Tax (CGT) allowance, you generally won’t owe tax and may not need to file a CGT return. However, there are exceptions. You must report if your total disposals exceed HMRC’s reporting threshold, if you are already within the Self-Assessment system, or if HMRC specifically requests details. It’s always wise to keep accurate records so you can provide proof if required 

For the tax year starting in 2024, married couples, or people in civil partnerships, each can make a profit of £3,000 on investments before they pay Capital Gains Tax. This means you could make as much as £6,000 profit before you need to pay capital gains tax. HMRC lets couples move possessions to each other without creating a tax bill. The transfer doesn’t cause a tax charge because of this rule. This arrangement helps partners divide profits, even out their investments, and utilise their available funds effectively.  

Figuring out when to sell things involves good timing, a clear plan. Each tax year provides a fresh Capital Gains Tax allowance. You can distribute sales throughout the year to benefit from it fully. Spouses can give possessions to each other without triggering a tax bill, which means they can potentially use double the tax-free amount, up to £6,000. You can handle earnings better, keep profits from reaching higher tax rates, and lower your capital gains tax by selling things over time or owning them with others.  

Yes. Lanop works with investors to make sure they use the £3,000 Capital Gains Tax (CGT) allowance as effectively as possible. Our team advises on timing disposals, offsetting losses, and using the no-gain/no-loss transfer rule for spouses or civil partners. We also help with accurate record-keeping and preparing returns, so HMRC requirements are fully met. With tailored guidance, Lanop ensures you stay compliant while reducing unnecessary tax exposure and keeping more of your crypto and investment profits.  

Conclusion: Stay Compliant, Maximise Your Tax-Free Gains  

Managing crypto taxes in the UK is no longer a grey area; it’s a reality every investor must face. Profits are taxable, but smart planning can keep liabilities under control. The £3,000 CGT allowance helps, but it should be combined with other strategies such as offsetting trading losses and using the no-gain/no-loss transfer option between spouses. These steps can make a real difference when it comes to protecting gains.  

Good records are your strongest shield. Each trade, swap, and expense should be tracked so that calculations are accurate and defensible. With the OECD’s Crypto Asset Reporting Framework (CARF) soon giving HMRC direct visibility into exchange data, investors should assume that nothing remains hidden. Being proactive is far better than facing penalties later. For frequent traders or those with complicated holdings, professional help is often worth the cost. HMRC’s cost basis rules and the difference between Capital Gains Tax and Income Tax can be tricky. Reliable tax software or a qualified advisor reduces risks and saves time. In the current climate, compliance isn’t just a legal necessity; it’s a practical way to secure profits and move forward with confidence. 

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Aurangzaib Chawla is a UK-based tax advisor and Managing Partner at Lanop Business & Tax Advisors. With nearly two decades of experience, he supports individuals, landlords, and SMEs with proactive tax planning and compliance. Known for simplifying complex tax legislation, Zaib helps clients minimise liabilities while building sustainable, tax-efficient strategies for long-term success.

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Aurangzaib Chawla

At Lanop, I am providing my services as the Managing Partner and Tax Specialist. My expertise includes helping medium and small-scale businesses in their accountancy and legal requirements, business start-up support, strategic review, payroll system review and implementation, VAT and tax compliance to cloud accounting. I am also an expert in financial reporting, identifying and monitoring risks, strategic business development, client retention, market acquisition and deals closure by carefully planning my sales cycle. 

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