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APPROACHES TO WATER EFFICIENCY IN NEW HOMES
How achievable do you believe the 125 litres per person per day target of potable water is?
EXECUTIVE SUMMARY T
he pressure is on to increase water effi ciency as much as possible in new homes. his is driven by a combined set of challenges, particularly water shortages due to climate change and leaks, the rise in people working from home post- ovid, and the need to manage surface water on developments as effectively as possible. his has led to a progressive focus on effi ciency in legislation in the form of the uilding egulations. he hartered nstitute of ater and nvironmental Management M reported that average household water use increased by around during the peak of the pandemic. hile this level has clearly reduced since the ending of restrictions, smart meter data has shown that water consumption is unlikely to return to pre-ovid levels, according to experts. s a result, the baseline assumptions for household usage will no
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longer be relevant in new calculations for developments. argely confi ned to art of the uilding egulations covering anitation, ot ater afety and ater ffi ciency, the water effi ciency of products within overall home designs is perhaps less seen in the foreground than other aspects of sustainability and energy effi ciency, but it requires a strong focus among design teams and builders to achieve the savings required.
he regulations cover water usage from appliances including s, wash basins, sinks, showers, baths, and white goods such as dishwashers and washing machines all fall under the tighter requirements. owever controls applied both internally and externally to the water supply entering the home are also part of the picture.
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