Written Question·Treasury·UIN 111371
Capital Gains Tax
Tabled: 5 February 2026
Answered: 12 February 2026
Question
Olly Glover
Liberal Democrat — Didcot and Wantage
To ask the Chancellor of the Exchequer, whether she has made an assessment of the potential merits of introducing an inflation adjustment mechanism for capital gains tax calculations.
Answer
Dan TomlinsonAn indexation allowance previously existed when Capital Gains Tax (CGT) was charged at income tax rates, with a top rate of 40 per cent. The current rates of 18 and 24 per cent are significantly below the higher rates of income tax, simplifying the calcul...
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