Independent Monitoring Board report: Heathrow Immigration Removal Centre Annual Review 2017
Appreciable numbers of detainees are kept for over 6 months and some for over 1 or 2 years. The eventual removal rate is just under 50%.
This is according to the annual review for 2017 of Heathrow Immigration Removal Centre, from the Independent Monitoring Board (IMB), in April 2018.







