PART 7Water Efficiency
Water efficiency of new dwellingsE2F136
1
The potential consumption of wholesome water by persons occupying a new dwelling must not exceed the requirement in paragraph (2).
2
The requirement referred to in paragraph (1) is either—
a
125 litres per person per day; or
b
in a case to which paragraph (3) applies, the optional requirement of 110 litres per person per day,
as measured in either case in accordance with a methodology approved by the Secretary of State.
3
This paragraph applies where the planning permission under which the building work is carried out—
a
specifies the optional requirement in paragraph (2)(b); and
b
makes it a condition that that requirement must be complied with.
4
In this Part, “new dwelling” does not include a dwelling that is formed by a material change of use of a building within the meaning of regulation 5(g).
Water efficiency of new dwellingsE1F236
1
This regulation applies where a dwelling is—
a
erected; or
b
formed by a material change of use of a building within the meaning of regulation 5(a) or (b).
2
The potential consumption of wholesome water by persons occupying a dwelling to which this regulation applies must not exceed the requirement in paragraph (3).
3
The requirement referred to in paragraph (2) is—
a
where a dwelling is erected, 110 litres per person per day; or
b
where a dwelling is formed by a material change of use of a building within the meaning of regulation 5(a) or (b), 125 litres per person per day,
as measured in either case in accordance with a methodology approved by the Welsh Ministers.