Question to the Home Office:
To ask the Secretary of State for the Home Department, what the (a) average and (b) longest waiting time was for non-straightforward Tier 4 visa applications in each quarter of each of the last five years.
The published information on processing times for visa applications is published as part of the Migration Transparency data, available at https://www.gov.uk/government/publications/international-operations-transparency-data-august-2017