Corporation of London

Bethlem Royal Hospital was founded in 1247 as the priory of St Mary of Bethlehem. By the fourteenth century it was already treating the insane. In 1547 it came under the control of the City of London as one of the five 'Royal' hospitals seized during the dissolution of the monasteries and re-founded as a secular institution. The Corporation turned Bethlem into a lunatic asylum and it was commonly known as 'Bedlam'. The hospital was put under joint administration with Bridewell Hospital until 1948.

In 1676 the hospital moved to Moorfields, in a baroque building designed by Robert Hooke. The hospital moved to its third site in 1815, at St George's Fields, Southwark, part of which still survives as the Imperial War Museum.

Bethlem moved to a site in Surrey in 1930. With the introduction of the National Health Service in 1948, Bethlem was split from Bridewell and joined with the Maudsley Hospital Camberwell, to form a single hospital. In 1999 they were formed into the South London and Maudsley NHS Trust, which provides mental health services throughout Lambeth, Southwark, Lewisham and Croydon as well as specialist services across the UK.