
An ‘unprecedented’ leak has seen key measures from the Budget accidentally published way ahead of the Budget.
Here is the full list of tax rises in this Budget, as leaked by the OBR document:
- Freezing income and NI thresholds until 2030: £8 billion
- Pension salary sacrifice raid: £4.7 billion
- Dividend, property, savings tax rise: £2.2 billion
- Changes to corporation tax: £1.5 billion
- Pay-per-mile scheme: £1.4 billion
- Gambling tax: £1.1 billion
- Capital gains on trusts: £900 million
- Council tax rise on homes worth more than £2 million: £400 million
- Tackling tax avoidance: £2.3 billon
- Other measures: £4.4 billion
UK economic growth forecast downgraded over the next four years:
- 2025: 1.5% (up from 1%)
- 2026: 1.4% (down from 1.9%)
- 2027: 1.5% (down from 1.8%)
- 2028: 1.5% (down from 1.7%)
- 2029: 1.5% (down from 1.8%)
Budget to raise taxes by up to £26bn in 2029-30 through:
- Freezing personal tax thresholds (3-year freeze to 2030/31)
- Charging National Insurance on salary-sacrificed pension contributions (£4.7bn)
- Increasing tax rates on dividends, property, and savings by 2 percentage points (£2.1bn)
Article continues below
Other measures outlined by the OBR:
- Day-to-day spending rule headroom to widen to £22bn in 2029-30 (up £12bn from March)
- 5p fuel duty cut remains until September 2026, then reversed gradually
- Two-child benefit cap removal, costing £3bn by 2029-30
- High-value council tax surcharge on properties over £2m, raising £0.4bn in 2029-30
- Public debt projected to rise from 95% of GDP to 96.1% by end of decade

At Reach and across our entities we and our partners use information collected through cookies and other identifiers from your device to improve experience on our site, analyse how it is used and to show personalised advertising. You can opt out of the sale or sharing of your data, at any time clicking the “Do Not Sell or Share my Data” button at the bottom of the webpage. Please note that your preferences are browser specific. Use of our website and any of our services represents your acceptance of the use of cookies and consent to the practices described in our Privacy Notice and Terms and Conditions.

