Britain's Chancellor of the Exchequer Rachel Reeves carries the traditional red ministerial box containing her budget speech, as she leaves No 11 Downing Street on her way to the House of Commons to deliver the budget, in London, Wednesday, Oct. 30, 2024. (Justin Tallis/Pool Photo via AP)

Britain's Chancellor of the Exchequer, Rachel Reeves, looks up as she holds up the traditional red ministerial box containing her budget speech, as she poses for the media outside No 11 Downing Street, before departing to the House of Commons to deliver the budget in London, Wednesday, Oct. 30, 2024. (AP Photo/Kirsty Wigglesworth)

Britain's Chancellor of the Exchequer, Rachel Reeves, holds up the traditional red ministerial box containing her budget speech, as she poses for the media outside No 11 Downing Street, before departing to the House of Commons to deliver the budget in London, Wednesday, Oct. 30, 2024. (AP Photo/Kirsty Wigglesworth)

Britain's Chancellor of the Exchequer, Rachel Reeves, holds up the traditional red ministerial box containing her budget speech, as she poses for the media, with her ministerial team outside No 11 Downing Street, before departing to the House of Commons to deliver the budget in London, Wednesday, Oct. 30, 2024. (AP Photo/Alberto Pezzali)

Britain's Chancellor of the Exchequer, Rachel Reeves, holds up the traditional red ministerial box containing her budget speech, as she poses for the media outside No 11 Downing Street, before departing to the House of Commons to deliver the budget in London, Wednesday, Oct. 30, 2024. (AP Photo/Kirsty Wigglesworth)

Waspi (Women Against State Pension Inequality) campaigners stage a protest on College Green in Westminster, London, as Chancellor of the Exchequer Rachel Reeves delivers her Budget in the Houses of Parliament, Wednesday, Oct. 30, 2024. (Jordan Pettitt/PA via AP)

Britain's Prime Minister Keir Starmer departs 10 Downing Street for the House of Commons and his weekly Prime Minister's Questions in London, Wednesday, Oct. 30, 2024, the Chancellor of the Exchequer Rachel Reeves will deliver the budget following PMQ's. (AP Photo/Kirsty Wigglesworth)

Britain's Chancellor of the Exchequer, Rachel Reeves, third right, holds up the traditional red ministerial box containing her budget speech, as she poses for the media with her ministerial team, outside No 11 Downing Street, before departing to the House of Commons to deliver the budget in London, Wednesday, Oct. 30, 2024. (AP Photo/Kirsty Wigglesworth)