136The room standard
(1)The room standard is contravened when the number of persons sleeping in a house and the number of rooms available as sleeping accommodation is such that two persons of opposite sexes who are not living together as husband and wife must sleep in the same room.
(2)For this purpose—
(a)children under the age of 10 shall be left out of account, and
(b)a room is available as sleeping accommodation if it is of a type normally used in the locality either as a bedroom or as a living room.