Well it's been a learning curve for me. Having gone out in several different directions, it seems it all points back to a single agency - Namely a St Mungos
»www.mungos.org/services/where_we ··· /reading
These folks cover London though Reading and to Oxfordshire, Bath & Bristol.
Through circumstance, I wasn't able to speak with the contact I was given there on Friday but I am told that they are already aware of this young lady and are working with her. I'll pop in a call on Monday to see how things are progressing.