Looks like a lot of test trenches here for another huge housing estate :(

There is an unrestricted paved footpath from here down to Dale Street

The path splits into two here the RH one goes to the end of Neville Road, the LF one goes a few metres then right angles to Dale Street

This is not a continuous flight of steps.
From Beacon Rd. there is a ramp up about 60M before the first steps. There are then 48 short flights 3-4 steps at first, then in 5s. The flights are about 6M apart. Near the very end thre is another ramp of about 20M, Finally there are 4 well spaced steps.
Most of this is clearly visible on google maps.
Here:
https://earth.google.com/web/@51.37146836,0.54980541,57.40463307a,132.06297124d,35y,0h,0t,0r/data=CgRCAggBQgIIAEoNCP___________wEQAA

Originally for female inmates. Don't know if it has a name - didn't know anyone who was there.

Originally Cornwall House was about here

Originally Gloucester House was here - mirror image of Essex House

Central Hall
Chapel (top floor)

Inmates Workshops