Thinktank says tax increases in budget will be necessary even if Rachel Reeves changes fiscal rules

• Will Rachel Reeves’s rules on debt and spending survive the budget?

Keir Starmer’s promise to end austerity and rebuild public services will require tax increases of £25bn a year in the coming budget even if debt rules are changed to provide scope for extra investment spending, a leading thinktank has said.

In its preview of the first Labour budget in 14 years, the Institute for Fiscal Studies said Rachel Reeves would need to raise taxes to fresh record levels to meet the government’s policy goals. The chancellor was also warned of the risk of a Liz Truss-style meltdown if the City responded badly to substantially higher borrowing.