“…There were also 48,540 asylum applications made in the year ending December 2021 (Refugee Council, 2022). The exact number of so-called undocumented migrants is unknown, however recent estimates by the Pew Research Centre (Connor & Passel, 2019) and Greater London Authority (Jolly et al, 2020) state that there were between 594,000-745,000 undocumented migrants in the UK in 2017.…”