Building Regulations (Northern Ireland) 2000

Provision of sanitary appliances

P2—(1) A dwelling shall have at least one water closet, one wash-hand basin and one fixed bath or shower.

(2) A wash-hand basin 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:

• Provided that where the wash-hand basin is located in the adjoining room, that room is not used for the preparation of food.

(3) A water closet fitted with a macerator shall not be provided in any building unless the building has another water closet, accessible to all occupants, which discharges directly to sanitary pipework or underground foul drainage.

(1) Every sanitary appliance shall have smooth and readily cleansed, non-absorbent surfaces and shall discharge through an effective trap of suitable dimensions.

(2) Every wash-hand basin, bath and shower shall have provision for the piped supply of hot and cold water and where a sequential single control mixer valve is provided it shall start from the cold supply.

(3) Every water closet and urinal shall have flushing apparatus capable of effectively cleansing the receptacle, no part of which shall be directly connected to any pipe other than a flush pipe or sanitary pipework.

(4) The outlet of an urinal shall have an effective grating.

(5) A sanitary appliance fitted with a macerator, pump and drainage pipe shall ensure the hygienic conveyance of foul water to an underground foul drainage system.