Technical Booklet P Sanitary Appliances Unvented Hot Water Storage and Scalding·Page 6·85
Regulation 85: Provision of sanitary appliances
Every dwelling must have at least one water closet, one washbasin, and one fixed bath or shower. Washbasins must be located either in the same room as the water closet or in an adjoining room that provides the sole means of access to the water closet room.
85.—(1) A dwelling shall have at least one water closet, one washbasin and one fixed bath or shower.
(2) A washbasin shall be provided, in the case of—
(a) a dwelling, either in the same room as a water closet or in an adjoining room; and
(b) any other building, either in the same room as a water closet or in an adjoining room which provides the sole means of access to the room containing the water closet:
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