Question to the Home Office:

To ask the Secretary of State for the Home Department, what is the cost to the public purse is of processing an application for indefinite leave to remain.

The Home Office publishes a list of Border, Immigration and Citizenship application fees and estimated unit costs. The unit cost for an application for indefinite leave to remain is detailed on page 5 of the following linked table.

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/691200/Fees_Unit_Cost_Table_-_April_2018.pdf