The jail was designed to hold 318 inmates but the Howard League for Penal Reform says at the end of January, there were 530.
The charity also says the overcrowding leads to more violence and self-harm among prisoners, and hampers their rehabilitation.
Plans to change Torbay heart care dropped
Victory for campaigners
Torbay taxi driver stripped of licence after making video call
Driver carried passengers in untaxed vehicle
Row amplifies after public claims edited out
Comments made by a resident have been removed
By-election to decide new Fremington councillor
Five candidates in the running
University of Exeter students face the cost-of-living brunt
Many find themselves making changes to their habits
Devon is only county to have two sections on new coast route
King Charles III Coast Path inauguration today
