The castle was used as a prison from 1100 (Ranulf Flambard) until 1952 (Kray twins), although that was not its primary purpose.
Lossi kasutati vanglana vähemalt alates aastast 1100 (Ranulf Flambrard) kuni aastani 1952 (Kray kaksikud), kuigi see polnud lossi peamine otstarve.