15.—(1) The registered person must ensure that service users and others having access to premises where a regulated activity is carried on are protected against the risks associated with unsafe or unsuitable premises, by means of—
(a)suitable design and layout;
(b)appropriate measures in relation to the security of the premises; and
(c)adequate maintenance and, where applicable, the proper—
(i)operation of the premises, and
(ii)use of any surrounding grounds,
which are owned or occupied by the service provider in connection with the carrying on of the regulated activity.
(2) In paragraph (1), the term “premises where a regulated activity is carried on” does not include a service user's own home.