Current Capital Gains Tax Rate 2025 Uk. For the current tax year (2025/25), the cgt allowance is £3,000. Capital gains tax is not a big revenue raiser, with the office for budget responsibility (obr) estimating that total capital gains tax receipts will be £15.2 billion in.
The rate of capital gains tax is 10%, where the total taxable gains and income is less than £37,700. In their march 2025 economic and fiscal outlook (efo), the obr estimate that the cut in capital gains tax payable on residential property gains increases property transactions.