Sections 48 and 48/49 of the Mental Health Act

Transfer of an unsentenced prisoner to hospital

You might be on remand in prison or be in an immigration detention centre or youth detention accommodation. You might have a mental disorder. Professionals can decide to transfer you to hospital under section 48 of the Mental Health Act 1983. This information explains when and how you might be transferred to hospital and what your rights are. It is for those held in the places described above in England. And are 18+ and experiencing mental illness. 

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© Rethink Mental Illness 2026

Last updated 18 February 2026
Next update January 2030, subject to any changes

Version number 6.1