The remains of the canon's dorter or dormitory are slight. It was probably a two-storey building, with the bottom floor used for storage – like the frater – and for a warming house. At the northern end, the dorter is backed by Longnor's Garden, the area set out by the abbot for culinary and medicinal herbs, which contained a dovecote in the 15th century. The present guidebook suggests that the dorter was divided in the 15th century to provide quarters for the prior, the abbot's deputy. However, the text of the 1459 agreement between Abbot Richard Burnell and the canons, covering the responsibilities of the prior, suggests that the prior's quarters were under the dorter, with an entrance from the cloister, next to the parlour, and access to Longnor's garden at the rear. They had been refurbished at considerable cost and effort by a former prior, William of Shrewsbury, then still living, and were to pass to his successors only after his death. At the southern end of the dorter, a doorway led to the reredorter, the communal washing and latrine block. Although the facilities themselves have gone, there is a very clear length of stone drain, still supplied by a diverted stream.