Question to the Home Office:
To ask Her Majesty's Government what estimate they have made of the annual cost of each illegal migrant that is picked up by Border Force having crossed the English Channel by boat.
Data on the costs of migrants from this specific group is not collected. The cost of the asylum system to the taxpayer was published in the New Plan for Immigration policy statement.
New Plan for Immigration policy statement
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/972517/CCS207_CCS0820091708-001_Sovereign_Borders_Web_Accessible.pdf
Immigration and Protection data
https://www.gov.uk/government/publications/immigration-and-protection-data-q1-2021