Question to the HM Treasury:

To ask the Chancellor of the Exchequer, whether his Department has conducted recent distributional analysis of the impact of inflation on people in different income brackets.

The Office for National Statistics (ONS) publish experimental statistics which show the inflation experienced by households across the income distribution:

https://www.ons.gov.uk/economy/inflationandpriceindices/bulletins/householdcostsindicesforukhouseholdgroups/latest