Rishi Sunak, the new chancellor, will use his first budget to announce that parts of the Treasury will move to the north of England as he unveils the biggest spending giveaway since 2001.

A significant number of the Treasury’s 1,500 posts will be transferred to an “economic decision-making campus” in the north in an effort to show northern voters who switched to the Tories in December that the government is serious about their priorities.

The plan, Sunak’s first big move since he replaced Sajid Javid earlier this month, will see officials from key departments of the Treasury moved to the new hub. They will funnel billions of pounds of public money to infrastructure projects and listen to the needs of taxpayers and businesses in the