Energy Saving Trust Water Study

Analysis of responses to the Energy Saving Trust’s Water Energy Calculator reveals that:

• Each person uses about 142 litres of water each day.
• The average household uses 349 litres of water each day1.
• The average annual metered water bill is £4272.
• Hot water use contributes £228 to the average annual combined energy bill and emits 875kg of CO2 per household per year.
• 43% of respondents have a water meter3 in their homes. These properties used around 3% less water than unmetered properties.
• Showers are the biggest water user in the house (25%), followed by lavatories (22%).
• On average, each individual takes 4.4 showers and 1.3 baths each week.
• People generally spend seven-and-a-half minutes in the shower. 87% of people do not exceed ten minutes on their daily shower.
• 41% of homes have a dual-flush toilet.
• We use the washing machine on average 4.7 times each week, but only about a quarter of us select a 30°C degree wash.
• Most people fill the washing machine (82%) and dishwasher (77%) to capacity before turning it on.
• About 86% of people use a bowl when washing dishes by hand.
• 40% of households boil the kettle four times or more a day – 8 and most (75%) say they boil more water than they need.

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