Autumn Budget 2025

What’s changed?

The Autumn Budget has introduced measures that could affect your wealth planning.

Income tax thresholds will remain frozen for an extra three years, and inheritance tax thresholds for one more year - both until 2031.
This means more individuals and estates may find themselves paying higher taxes.
From April 2029, salary sacrifice relief will be capped at £2,000, limiting the tax/National Insurance benefits on pension contributions made this way.
Owners of properties worth over £2 million will face a new council tax surcharge.
While the annual ISA allowance stays the same, from April 2027 those under 65 can only save £12,000 in cash, encouraging investments of the remaining £8,000.

Why act now?

These changes underline the importance of proactive planning. Acting without expert advice can lead to costly mistakes, whether it’s accelerating asset disposals, restructuring property portfolios or revisiting pension plans.

Our advisers can help you navigate the changing tax landscape, avoid unnecessary tax liabilities and identify alternative tax-efficient planning strategies.

Don’t leave your financial future to chance. Speak to a Rathbones adviser to stay ahead of these changes.

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Frequently asked questions

What is the Autumn Budget 2025?

How can I prepare for these changes?

What changes have been announced?

While some details are still being finalised, the Autumn Budget has introduced a number of significant measures that could impact your financial plans. Here’s what’s been announced:

Inheritance tax (IHT) nil-rate band remains frozen beyond 2031.
Income tax & national insurance thresholds are frozen until April 2031, extending fiscal drag and pulling more earners into higher tax bands.
Salary sacrifice relief capped at £2,000 from 2029
A council tax surcharge (‘mansion tax’) will be introduced on homes valued at £2 million or more.
Cash ISA allowance has been cut to £12,000 from April 2027 ( the overall £20,000 limit remains, with £8,000 reserved for stocks & shares), however over-65s retain the full £20,000 cash ISA allowance.

These changes highlight the importance of staying informed and reviewing your financial strategy. Proactive planning is essential to protect your wealth and take advantage of any opportunities.

If you have questions about how these measures could affect you, or want to ensure your plans remain robust, speak to a Rathbones adviser today.

Where can I read more insights about the Autumn Budget?

You can find a wealth of expert analysis, articles, and webinars on the Autumn Budget and its implications in our dedicated content hub. We regularly update this space with the latest commentary from our specialists, covering everything from inheritance tax changes and property levies to pension reforms and investment strategies.

Visit our content hub to explore in-depth articles, watch on-demand webinars, and stay informed about how the latest budget measures could affect your financial plans.

Explore the Autumn Budget content hub

See how financial planning could benefit you

A typical Rathbones client has over £300,000 to invest or plan their financial future, including pensions but excluding property. Book a conversation with our team to discuss your needs and start planning with confidence today.

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Our latest Autumn Budget analysis

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3 mins

8 December 2025

In or nearing retirement? What the Budget means for your finances

Rachel Reeves announced several changes in her Autumn Budget. We've broken it all down so you know how it could impact your finances.

In or nearing retirement? What the Budget means for your finances

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6 mins

8 December 2025

Unpacking the Autumn Budget

Now that the Chancellor’s latest Budget has been announced, what does it mean for businesses and the wider economy? Our panel of experts share clear insights on what’s next for the UK.

Unpacking the Autumn Budget

The image shows Rebecca Williams, Financial Planning Divisional Lead at Rathbones, wearing a blue blazer and red dress

5 mins

8 December 2025