Written Question·Treasury·UIN 108083
Wealth: Taxation
Tabled: 23 January 2026
Answered: 2 February 2026
Question
Lloyd Hatton
Labour — South Dorset
To ask the Chancellor of the Exchequer, how much and what proportion of the wealthy tax gap HMRC attributes to (a) Capital Gains Tax and (b) Inheritance Tax for each financial year from 2017-18 to 2024-25.
Answer
Dan TomlinsonWealthy tax gap estimates are published in Measuring the Tax Gap 2025 for 2005-06 to 2023-24. There are no estimates for 2024-25 at this time, these will be published in future tax gap publications. We use Income Tax, Capital Gains Tax (CGT) and National ...
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