Income tax freeze set to bring in an additional £13bn
Higher inflation expected to bring more people into tax.
IHT receipts up £0.7bn
Increase attributed to COVID-19 and rising house prices.
More than one million use extra time to file tax returns
Over 11.3m individuals file self-assessment tax returns by 28 February 2022.
£2.8bn in state benefits go unclaimed
Billions were not taken up in 2019/20, says DWP.
Taxpayers flock to use time-to-pay plans
£310 million paid in instalments since April 2021.