BANKING bonuses are set to hit a record £25 billion this year, sparking union calls for a windfall tax hike to fund a social energy tariff and permanently cut most people’s bills. The TUC called for the “common sense and long overdue” increase in the bank surcharge tax ahead of the Chancellor Rachel Reeves’s swansong Mansion House speech today.Official figures show the finance and insurance industry’s average weekly bonus at £431 over the first quarter of 2026.