Paragraph
The dwelling-house is one of a group of dwelling-houses which it is the practice of the landlord to let for occupation by persons with special needs and—
(a)
a social service or special facility is provided in close proximity to the group of dwelling-houses in order to assist persons with those special needs,
(b)
there is no longer a person with those special needs residing in the dwelling-house, and
(c)
the landlord requires the dwelling-house for occupation (whether alone or with members of his family) by a person who has those special needs.