Treasury ministers and officials have gathered together with Conservative Party HQ staff for an all-day meeting to go through the options for next month's financial statement.
Plans for taxing caravan owners, hot food and removing some tax reliefs for charitable donations all had to be revised in the face of heavy criticism.
A Treasury source told The Independent: "This is going to be a very political Budget. George would be the first to admit he took his eye off the ball last year. He knows he can't let that happen again."