The Jewry Wall is the only part of the Roman baths still standing above Roman floor level. Six types of stone were used in the building including granites from Charnwood and Millstone Grit from the Peak District © English Heritage 

The Jewry Wall survived when medieval builders demolished the rest of the baths in order to reuse the stone.  It had by that time become the west wall of the Church of St Nicholas, built during the Anglo-Saxon period.

The name might derive from the 24 'Jurats' or medieval Borough councillors who met in the church yard.  In 1722 the antiquarian, William Stukeley, called it 'The Jury Wall' on his map of the town.

At the time of Stukeley's drawing the wall was commonly known as the Temple of Janus.  Janus, the Roman god of gateways, gave his name to the opening month of the year, January.  As the Jewry Wall resembled a gateway, it was thought to be the west gate of the town and was sometimes referred to as 'the Janua of the old City'.

The modern spelling was in use in the early 19th century but there is no known link to a Jewish quarter.