There are 20 establishments in England that only hold remanded or sentenced 18 to 21-year-olds and/or under 18-year-olds.
Establishment Operational capacity1 Ashfield 400 Aylesbury 444 Brinsford 489 Castington 410 Cookham Wood 17 Deerbolt 452 Feltham 762 Glen Parva 808 Hindley 539 Huntercombe 365 Lancaster Farms 527 Northallerton 252 Portland 557 Reading 287 Rochester 392 Stoke Heath 632 Thorn Cross 321 Warren Hill 222 Werrington 162 Wetherby 384 Total 8,422 1 Operational capacity describes the total number of prisoners that an establishment can hold taking into account control, security and the proper operation of the planned regime.
There are also a number of young offender units within adult establishments. All women young offenders are held in accommodation designated for young offenders within adult women's prisons.