Capital Gains Tax 2024/25 Uk Tax. Learn how to calculate your cgt bill and what allowances you can. 10% (18% for residential property) for your entire capital gain if your overall annual income is.

This measure changes the capital gains tax (cgt) annual exempt amount (aea). Capital gains tax is a tax on the profit when you sell (or ‘dispose of’) something (an ‘asset’) that’s increased in value.