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As Chancellor Rachel Reeves prepares to unveil her second Budget next month, there’s plenty of speculation about what could be announced. Yet experience shows us that making decisions based on unfounded rumours can often lead to unintended consequences.
In light of the uncertainty, we have taken a look at some of the key themes coming up in the media. As before, we would always advise waiting to see what does happen in the UK Autumn Budget on 26 November before making any key financial decisions.

At a glance:
- It’s widely anticipated we’ll see some tax hikes in the UK Autumn Budget on 26 November, as Rachel Reeves looks for ways to meet spending commitments and address fiscal challenges.
- There has been speculation around a range of areas where tax could be changed or increased. These include: property, inheritance tax gifting rules, pensions, and potential reform to ISAs.
- However, many of these rumours around possible tax changes will fail to become reality, underlining the importance of taking a considered view before making financial decisions.
UK Autumn Budget 2025 rumour: pensions reform
There seems to be speculation before every UK Budget that the Chancellor will tinker with pensions and this time is no different.
Last year saw rumours that the ability to take a 25% tax-free cash sum from pensions could be restricted. This didn’t happen. However, the rumour has surfaced again ahead of this UK Autumn Budget.
Some pension savers may be tempted to take their 25% tax-free sum before the UK Budget in case there is a move to cut it. Such is the frenzy around this issue that HMRC has issued a warning saying it’s not possible to reverse a tax-free pension cash withdrawal. For example, if someone has a £200,000 pension pot and takes £50,000 as tax-free cash just before the UK Autumn Budget, they cannot use a 30-day cooling-off period to try and unwind the tax-free withdrawal if the government doesn’t end up changing the rules.
Changes to pensions tax relief could also be on the table. Given its relatively high cost (particularly for 40% and 45% taxpayers), it could be a potential lever for the Treasury to raise money. Cutting the relief – or moving to a flat rate – would likely be criticised for undermining confidence in pensions though (something that St. James’s Place has warned about publicly).
UK Autumn Budget 2025 rumour: an overhaul of property taxes
There has been mounting speculation over the past few months that Labour may reform property taxes.
This could include replacing stamp duty with a property tax. Media outlets reported in August that the Treasury was considering introducing a national tax paid by owner-occupiers on properties worth more than £500,000 when they sell their home.
More recently, it was reported that the Chancellor is considering a proposal to spread stamp duty payments across several years, in an effort to boost the housing market.
Other rumours include scrapping council tax (although there is also speculation that new, higher council tax bands could be created), applying capital gains tax to the sale of main homes above a certain value, and targeting landlords by applying National Insurance to rental income.
If the famous UK Budget red box contains any of these proposals, they could affect people with expensive homes (and therefore have a disproportionate impact on homeowners in high-value regions like London and the South East) and buy-to-let landlords.
UK Autumn Budget 2025 rumour: ISAs and inheritance tax
Plans to cut the cash ISA allowance were shelved in July following a backlash. However, Labour refused to completely rule out changes in the future and this week rumours have once again resurfaced about a possible reduction.
At the time, building societies argued that a cut in the cash ISA allowance could affect their ability to lend money to house buyers (who typically save cash deposits). Yet the government wants to encourage more people to invest, rather than leave their money sitting in savings accounts. It is therefore possible we could see changes to ISAs to help achieve this goal.
There is speculation that the government may also look at the inheritance tax (IHT) gifting rules to raise revenue. The Chancellor could extend the period donors must live after making a substantial gift before it falls outside their estate for IHT purposes from seven years to 10 years.
There have also been rumours the government could impose a lifetime cap on the value of gifts people can make that are IHT-free.
UK Budget 2024: what did and didn’t happen?
The rumours and speculation about what Reeves might announce on 26 November may be no guide to what actually happens.
Here are some of the key predictions made before the 2024 UK Budget and an update on what did and did not happen.
- Changes to pension tax relief – Cutting tax relief, and possibly replacing it with a flat rate relief, was mooted in the run-up to last year’s UK Budget. NO CHANGE
- Reduce pension tax-free cash – Speculation that the 25% pensions tax-free cash would be cut in the UK Budget caused pension savers to withdraw their tax-free cash in unprecedented volumes. Just over £18 billion of tax-free lump sums was withdrawn in the 2024/25 financial year, a 61% increase on the £11.3 billion extracted a year prior. NO CHANGE
- Inheritance tax (IHT) on pension savings – It was reported that the government was looking to increase the amount of money it raises via IHT. There was speculation this could mean
pensions be brought into the IHT net – and this turned out to be true. CHANGE - Tighten up the IHT gifting rules – Rumours that the seven-year gifting rule would become the 10-year gifting rule, a lifetime cap on gifting, and a crackdown on the “unlimited gifts from
income” exemption all turned out to be false. NO CHANGE - Increase capital gains tax – Speculation that the Chancellor would increase capital gains tax (CGT) turned out to be correct. Basic-rate CGT on profits from selling shares rose from 10% to 18%, with the higher rate rising from 20% to 24%. CHANGE
Don’t try and predict the future
It’s hard to predict the future, but it’s highly likely that some of the current UK Autumn Budget rumours won’t actually happen. A relevant question to consider might be: how would you feel if you took an action, based on speculation of a change, which then didn’t come to pass and you found yourself in a more disadvantageous position? It is always worth trying to remain calm amid the UK Autumn Budget speculation and avoid making knee-jerk decisions.
This article is a general communication that is provided for informational purposes only. It should not be relied upon as financial advice, and it does not constitute a recommendation, an offer or solicitation. No responsibility can be accepted for any loss arising from action taken or refrained from based on this publication. All information presented herein is considered to be accurate at the time of production, but no warranty of accuracy is given and no liability in respect of any error or omission is accepted.
The levels and bases of taxation and reliefs from taxation can change at any time. The value of any tax relief depends on individual circumstances. You are advised to seek independent tax advice from suitably qualified professionals before making any decision as to the tax implications of any investment.
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