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Hargreaves Lansdown warns against capital gains tax rise

The investment platform says higher taxes could deter UK investment and wants stamp duty scrapped on purchases of domestic shares.

Priya Nair

By Priya Nair, Finance & Tax Reporter ·

Investor reviewing share charts amid Hargreaves Lansdown concerns over capital gains tax.
Investor reviewing share charts amid Hargreaves Lansdown concerns over capital gains tax. (Illustrative image)

Hargreaves Lansdown has warned against a potential increase in capital gains tax ahead of the UK Budget, amid speculation that some investors could face rates of up to 45% rather than the current maximum of 24% on most gains.

Anna Macdonald, the investment platform’s investment strategy director, said further tax changes risked discouraging investment when the economy needed growth. She also called for the removal of stamp duty on UK shares to improve the domestic market’s appeal.

What happened

Macdonald set out the company’s concerns in an interview with City AM, arguing that increasing capital gains tax would disrupt investors’ decisions without necessarily improving the government’s fiscal position.

Capital gains tax is currently charged at 18% or 24% on most gains, including those from shares, funds and residential property, depending on the taxpayer’s tax band. The speculation centres on potentially bringing those rates into line with income tax bands of 20%, 40% and 45% for some taxpayers.

A wider restructuring of the levy has also been discussed as a possibility. Neither an increase nor a broader reform is presented as a confirmed Budget measure in the report.

Macdonald argued that the Treasury’s own projections pointed to an increase being counterproductive. The report did not provide figures from those projections or specify which proposed changes they assessed.

Her intervention extends a position already expressed by Hargreaves Lansdown chief executive Matt Benchener, who has previously opposed higher taxation of investments in the UK.

The background

The warning comes against a tightening fiscal backdrop. Economists cited in the report expect the chancellor’s £23.6bn of headroom recorded in March to have diminished following the conflict in the Middle East.

That would leave spending reductions or tax increases as options for meeting the fiscal rules. No updated headroom estimate was given, leaving the scale of any required adjustment uncertain.

The spending pressures identified in the report include commitments to nationalise Thames Water and remove VAT from energy bills. At the same time, manifesto pledges not to increase VAT or income tax rates limit the government’s choices over where to raise additional revenue.

There is also a recent precedent for tax changes intended to support investment in British companies. Former chancellor Rachel Reeves introduced a three-year stamp duty exemption for newly listed UK businesses in last year’s Budget.

That exemption did not remove the 0.5% charge on purchases of other established UK shares. Macdonald wants the relief extended beyond new listings by scrapping the duty on UK shares altogether.

What people are saying

Macdonald acknowledged the difficult state of the public finances but said capital gains tax increases and other wealth taxes were not the right response. Her argument distinguished between measures that attract public support and those that best support economic activity.

“Let's not penalise investors for investing in the market and taking a risk,” she said.

On stamp duty, she argued that taxing purchases of established British shares while exempting new listings created an inconsistent incentive. In her view, the charge encourages UK investors to direct money towards overseas stock markets instead.

The London Stock Exchange is already contending with companies leaving the market and a loss of prospective initial public offerings. Macdonald linked her call for reform to the need to preserve the wider ecosystem supporting listed businesses, rather than treating share transaction taxes solely as a revenue source.

What happens next

The report names John Healey as chancellor and gives 28 October as the date of his first Budget. That announcement is the next stated point at which the government’s tax plans are due to become clear; the report provides no implementation timetable for any capital gains tax change.

In the meantime, Macdonald urged investors to avoid hasty decisions based on Budget speculation. She pointed to previous years when rumours prompted people to withdraw their tax-free cash lump sums, using that experience to caution against acting before policy is announced.

Why this matters

For business owners and directors holding investments, the distinction between Budget speculation and confirmed policy is central to financial planning. The possible capital gains tax changes would affect the tax treatment of investment gains, while Hargreaves Lansdown’s stamp duty proposal concerns the cost of buying UK shares. The platform’s warning also highlights a financing issue for listed businesses: whether the tax system encourages investors to back domestic companies or direct their capital overseas.

Frequently asked questions

Why is Hargreaves Lansdown warning about capital gains tax?
Investment strategy director Anna Macdonald says an increase could discourage UK investment and disrupt investors’ decisions when economic growth is needed. The platform argues that higher investment taxes are not the best response to fiscal pressures.
What are the current capital gains tax rates?
The report gives rates of 18% and 24% on most gains, including shares, funds and residential property, depending on the taxpayer’s tax band.
Could capital gains tax rise to 45%?
Reported speculation includes aligning capital gains tax with income tax rates of 20%, 40% and 45% for some taxpayers. No such increase is confirmed in the report.
What does Hargreaves Lansdown want changed on share stamp duty?
Anna Macdonald wants stamp duty scrapped on UK shares. She argues that the 0.5% charge on established shares makes domestic investments less attractive than overseas alternatives.
Which UK companies received a stamp duty exemption?
Former chancellor Rachel Reeves introduced a three-year exemption for newly listed UK companies in last year’s Budget. The 0.5% charge remained on purchases of other established UK shares.
Should investors act before the Budget?
Anna Macdonald urged investors not to make hasty decisions based on speculation. She cited previous years when Budget rumours prompted investors to withdraw tax-free cash lump sums.

In this story

Topics: Hargreaves Lansdown capital gains tax · capital gains tax Budget · capital gains tax rates · UK shares stamp duty · Anna Macdonald Hargreaves Lansdown · Budget investment tax changes · All Tax Changes news →

Original reporting: City AM. This article is an independent write-up by British Business Echo.

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