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Autumn Budget Update 1: List of Key Tax Hikes

Published Date: November 26, 2025

( Last Updated: November 26, 2025 )

The Chancellor’s latest Budget outlines a series of tax measures expected to raise a total of £26 billion by 2029/30, according to projections from the Office for Budget Responsibility.

Key highlights include:

  • Income & National Insurance - Freezing personal Income Tax and employer National Insurance thresholds for three years from 2028/29, projected to bring in £8 billion.
  • Pensions - Taxing salary-sacrificed pension contributions is expected to raise £4.7 billion.
  • Property, Dividends & Savings - Tax rates on dividends, property income and savings will increase by 2 percentage points, generating £2.1 billion.
  • Corporation Tax - The reduction of the writing down allowance main rate will raise £1.5 billion.
  • Employee Ownership Trusts - Reduced Capital Gains Tax relief on disposals to these trusts is expected to yield £0.9 billion.
  • Mansion Tax - A council tax surcharge on properties valued over £2 million is estimated to generate £0.4 billion.
  • Tax Administration & Compliance - Measures targeting tax administration, compliance and debt collection will bring in £2.3 billion.
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Autumn Budget 2025

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