Headline Income Tax and employee National Insurance rates are unlikely to change. But frozen thresholds can still increase the proportion of your pay going to tax. For 2026/27 in England, Wales and Northern Ireland, the 40% Income Tax rate starts above £50,270. Employee NI falls from 8% to 2% at the same threshold. Both thresholds are currently set to remain frozen until April 2031. There are reports that the Chancellor is considering increasing the £12,570 Personal Allowance