Autumn Budget 2025: Full Summary, Key Changes and What They Mean for You

The Autumn Budget 2025 aims to raise £26 billion while supporting households and essential services. Against rising public debt and global uncertainty, the Chancellor announced targeted tax increases and cost-of-living measures.
Headline Announcements
Income Tax Threshold Freeze

Personal tax thresholds will remain frozen until 2030, meaning more earners will gradually move into higher tax bands. This “stealth tax” increases government revenue without changing headline rates.

ISA Reform

From April 2027, the annual ISA allowance for under-65s will fall to £12,000, with £8,000 reserved for stocks and shares ISAs. Over-65s retain the full £20,000 limit. This reduces flexibility for savers who prefer cash security.

Higher Taxes on Savings and Property Income

Tax rates on savings, dividends, and property income will rise by two percentage points from April 2027:

  • Basic rate property tax: 22%
  • Higher rate: 42%
  • Additional rate: 47%

This will significantly affect landlords and those with substantial investment income.

Mansion Tax

Properties valued above £2 million will incur an annual levy of £2,500–£7,500 starting April 2028. This measure targets wealthier homeowners and could reshape high-end property markets.

Cost-of-Living Support
  • Two-child benefit cap removed
  • Rail fares frozen
  • National Living Wage rising to £12.71 from April 2026

These steps aim to ease financial pressure on families and workers.

Economic Context

The Budget reflects a balancing act: increasing tax revenue while maintaining growth and fairness. By focusing on wealth-related taxes and investment incentives, the government seeks to fund public services without imposing broad-based consumption taxes.

Implications for Individuals and Businesses
  • Savers: Reduced ISA allowances mean less tax-free shelter for cash savings. Reviewing investment strategies early will be essential to maintain returns and manage capital gain exposure.
  • Property Owners: Higher property income tax and the mansion tax will increase costs for landlords and high-value homeowners. Expect potential effects on rental prices and property investment decisions.
  • Businesses: Retail and consumer finance may feel indirect pressure as household budgets tighten, influencing spending and credit demand.The Autumn Budget 2025 signals a clear policy direction: higher taxation on wealth and investment income, combined with measures to support working families. For individuals and businesses, proactive planning will be key to navigating these changes effectively.

Autumn Budget 2025 signals a clear policy direction: higher taxation on wealth and investment income, combined with measures to support working families. For individuals and businesses, proactive planning will be key to navigating these changes effectively.

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