Capital Gains Tax Calculator 2025/26
Calculate UK Capital Gains Tax on property sales, shares, crypto, and other assets for the 2025/26 tax year. Includes the £3,000 annual exempt amount, Private Residence Relief for property, and marginal rate calculations based on your income.
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Capital Gains Tax
Total gain£132,000
Less: allowable costs£18,000
Less: annual exempt amount£3,000
Taxable gain£129,000
CGT at 18% (Basic rate)£2,749
CGT at 24% (Higher / additional rate)£27,295
Total CGT payable£30,044
Proceeds breakdown
Proceeds retained£319,956
CGT payable£30,044
CGT band breakdown
| Band | Rate | Taxable amount | Tax |
|---|---|---|---|
| Gain before deductions | £132,000.00 | ||
| Annual exempt amount | -£3,000.00 | ||
| Taxable gain | £129,000.00 | ||
| Basic rate | 18% | £15,270.00 | £2,748.60 |
| Higher / additional rate | 24% | £113,730.00 | £27,295.20 |
| Total CGT | £30,043.80 |
On a property sold for £350,000 (purchased for £200,000 with £18,000 in allowable costs), your total gain is £132,000. After the £3,000 annual exempt amount, your taxable gain is £129,000. The total Capital Gains Tax payable is £30,044, leaving you with £319,956 from the sale proceeds.