“for both her substance misuse and treatment for Hepatitis C to work it is imperative that [the claimant] remains in the borough … and is provided with the financial resources to be able to attend regular appointments including being able to visit a chemist on a daily basis. [The claimant] is making good progress and we strongly believe that it is a benefit to [her] to remain in substance misuse treatment whilst receiving treatment for her Hepatitis C…”