“Building a closed detention facility bed costs approximately £500,000, according to official prison programme figures, and this cost standard applies to immigration removal centres.”

• The UK Ministry of Justice’s prison‑building cost data show a typical capital cost of about £500,000 per closed‑facility bed, and the same design standard is used for immigration removal centres.

The UK Ministry of Justice’s prison‑building cost data show a typical capital cost of about £500,000 per closed‑facility bed, and the same design standard is used for immigration removal centres.