Estimate UK CGT after the Annual Exempt Amount, with rates by asset type and Business Asset Disposal Relief.
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Calculates UK Capital Gains Tax for 2025/26 after the £3,000 Annual Exempt Amount, stacking gains on top of income to apply the 18% basic / 24% higher rates and the 14% Business Asset Disposal Relief rate.
A higher-rate taxpayer with £20,000 of gains on shares (2025/26): after the £3,000 Annual Exempt Amount, £17,000 is taxed at 24% = £4,080 CGT.
The Annual Exempt Amount is £3,000 of tax-free gains. Gains above it are added on top of your income to determine the rate that applies.
From 30 October 2024, gains are taxed at 18% within the basic-rate band and 24% above it, for both shares and residential property.
BADR taxes qualifying business disposals at 14% for 2025/26 (up from 10%), on up to £1m of gains over your lifetime.
UK residential property gains must be reported and the tax paid within 60 days of completion, through a CGT on UK property account.