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Reeves 'considering breaking manifesto pledge to raise income tax' to fill £30bn black hole

The Chancellor is mulling a rise in the tax in order to fill the black hole within Britain's finances totalling more than £30billion

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Chancellor of the Exchequer Rachel Reeves speaking at the Regional Investment Summit at Edgbaston Stadium, in Birmingham. Picture date: Tuesday October 21, 2025.
Rachel Reeves is considering raising income tax at the Budget despite Labour's manifesto pledge to leave it untouched, reports claim. . Picture: Alamy

By Chay Quinn

Rachel Reeves is considering raising income tax in the Budget despite Labour's manifesto pledge to leave it untouched, reports claim.

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The Chancellor is mulling a rise in the tax in order to fill the black hole within Britain's finances totalling more than £30billion.

Three sources close to the Budget process have told the Guardian that Ms Reeves is in "active discussions" to raise the rate.

If she decides to do so, it will mean breaking one of Labour's key promises from their election-winning manifesto.

During the 2024 General Election campaign, Sir Keir Starmer and Ms Reeves promised not to raise income tax, national insurance (NI) and value added tax (VAT).

Read More: Inflation unexpectedly holds at 3.8 per cent ahead of Rachel Reeves' £2bn 'Budget tax raid on middle classes'

Read More: A budget in the run-up to Christmas? The timing could scarcely be worse for Britain's high streets

During the 2024 election campaign, Starmer and Reeves pledged not to raise income tax
During the 2024 election campaign, Starmer and Reeves pledged not to raise income tax. Picture: Alamy

At their first Budget in power, Labour were forced to clarify that the national insurance component of the pledge only referred to employees' NI contributions - as they raised the employers contributions rate.

Advisers in the Treasury and Downing Street are reportedly advising that raising income tax may be the only way to raise enough money to rule out further tax rises this Parliament, according to The Guardian.

But officials are also torn over which income tax rates to raise - with Ms Reeves said to be considering adding 1 per cent onto the basic rate.

This move would likely spark concerns over the cost of living, because it would hit those on lower wages hardest.

This would be especially controversial after the Chancellor recently promised that those with the “broadest shoulders" would face the highest burden in November's fiscal event.

But the decision is complicated by the fact that raising the higher and additional rates of tax would only garner the Treasury about £2billion and £230million respectively.

A source told the Guardian: “There is a very live debate going on right now among those planning the budget about how bold we want to be on the headroom.

“No one wants it to be £10bn again but there is an argument we go much higher, which will mean we don’t have to come back and do this again and might have space to cut taxes before the budget.

“If we go down that route however, it makes it more likely that we have to raise income tax – that is the discussion that is going on at the moment.”

The Treasury declined to comment when approached by the Guardian.