The number of prisoners held in dormitory accommodation, as defined in Prison Service Instruction 09/2007 Smoke Free Legislation: Prison Service Application, is as follows:
Establishment Male prisoners (closed conditions)1 Male prisoners (open conditions)2 Women prisoners Total Askham Grange 0 0 20 20 Brockhill 8 0 0 8 Dorchester 4 0 0 4 Dover3 105 0 0 105 East Sutton Park 0 0 50 50 Foston Hall 0 0 3 3 Hewell Grange 0 130 0 130 Holloway 0 0 169 169 Lancaster Castle 45 0 0 45 New Hall 0 0 13 13 North Sea Camp 0 0 0 0 Norwich 3 0 0 3 Styal 0 0 6 6 Wormwood Scrubs 15 0 0 15 Total 180 130 261 571 1 Male prisoners held in closed dormitory conditions are lower security prisoners, invariably category C. 2 Male prisoners held in open dormitory conditions are category D prisoners. 3 Dover is a Border and Immigration Agency removal centre managed by the Prison Service.
There is further accommodation that has been converted into cubicles from former dormitories, which may not have separate ventilation. The numbers of prisoners held in this accommodation is not recorded centrally.
No prisoners aged under 18 are held in dormitory accommodation.
An assessment of the proportion of the total prison estate used as private residential space could be obtained only at disproportionate cost. All cells containing up to four persons will be regarded as private residential space for the purposes of designation as places where smoking is permissible when occupied only by smokers.