UK capital gains tax calculator
Calculate UK Capital Gains Tax (CGT) with £3,000 annual exemption, 10%/20% rates for shares and 18%/24% updated residential property rates.
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Tax-free allowance for individuals
Amount subject to CGT
After all allowable costs and CGT
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Popular uses
About this tool
Calculate your UK Capital Gains Tax (CGT) liability for the 2024/2025 tax year. Deducts the statutory £3,000 individual Annual Exempt Amount (AEA) and allowable enhancement costs, applying the updated 18% (basic) and 24% (higher) rates for residential property and 10% (basic) and 20% (higher) rates for shares, crypto, and business assets.
How to use it
- 1 Enter your total capital gain (selling price minus acquisition cost).
- 2 Enter any allowable acquisition, disposal, or capital improvement costs.
- 3 Select your asset category: Residential Property or Shares / Other Assets.
- 4 Select whether you are a basic rate or higher/additional rate income taxpayer.
- 5 Review your taxable gain, tax rate, CGT liability, and net retained proceeds.
Questions
What is the Capital Gains Tax allowance in the UK?
For the 2024/2025 tax year, the individual Annual Exempt Amount is £3,000 (£1,500 for trusts). Capital gains within this threshold are completely free of tax.
What changed for residential property CGT in 2024?
In April 2024, the higher rate of Capital Gains Tax on residential property was reduced from 28% to 24%. The basic rate remains at 18%.
Is my data uploaded?
No. This tool runs in your browser, so your text and files never reach our server.
Is this tool free?
Yes. It’s free to use with no sign-up and no limits for normal use.
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