From Mental Health Law Online
The claim for possession under the Housing Act 1988 was not discriminatory under the Disability Discrimination Act 1995 since the landlord did not know of the disability and the tenant's schizophrenia was not causally responsible for his sub-letting of the premises in breach of tenancy.
London Borough of Lewisham v Malcolm (2008) UKHL 43
Nearly Legal - an interesting series of articles and commentary on this case and related cases. (This case is categorised as having a "detailed summary" because of this link.)