The prison was built between 1875 and 1891 by prisoners from Milbank Gaol. During its existence is has housed women prisoners, been a borstal and was used by the War department in the early 1940’s. The buildings were refurbished around 15 years ago at the same time a new wing was added.
- A wing holds 290 prisoners on remand or serving short sentences.
- B wing holds 176 prisoners, predominantly full-time workers.
- C wing has 300 prisoners and is the location for the integrated drug treatment system.
- D & E wing has single cell accommodation for 244 and 144 respectively and takes most prisoners whose cell-sharing risk has been assessed as high.
- Conibeere wing, 55 prisoner detoxification unit,
- First night unit, 36
There is also an in-patient health care unit (17 bed), a 17 bed super-enhanced unit for key workers and a segregation unit.