Brits are being urged to follow the “six-minute shower rule” after an expert revealed it could slash household bills by up to £300 a year.
And the surprisingly simple money-saving hack involves nothing more than playing a song while you wash.
According to a shower expert, most people are spending far too long under running water without realising how much it’s costing them.
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The warning comes as households continue searching for easy ways to cut back on rising energy and water bills.
Emily Robertson, from Gloucestershire, a shower expert at Mira Showers, says keeping showers between four and six minutes could dramatically reduce water usage.

“If you are being conscious about your water usage, your average day-to-day shower shouldn’t last longer than 4-6 minutes,” she explained.
“In this time you will use anything between 24 to 90 litres of water, depending on your shower type.”
She warned that many people are unknowingly wasting huge amounts of water every single day – especially when letting the shower run before getting in.
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“The majority of Brits leave their water running to allow it to heat up before getting in the shower, often for way longer than necessary,” Emily said.
According to the expert, leaving the shower running for just one extra minute could waste at least six litres of water every time.
She estimates that habit alone could be adding around £70 a year onto household bills.
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To stop showers dragging on, Emily recommends using music as a timer.
“The majority of Brits already listen to music when in the shower,” she said.
“But in a lot of cases, when doing so, they are likely spending more time in the shower than necessary.”
“To prevent this from happening, listen to a song between four and six minutes long.”
Emily says she personally uses songs including Rein Me In by Olivia Dean and Aperture by Harry Styles to stick to the ideal shower time.

And she claims cutting her own showers down from 15 minutes has saved her roughly £300 a year.
The expert also suggested switching to an electric shower, which heats water instantly and generally uses less water than traditional systems.
“When people leave their shower running, it’s often because they’re waiting for it to warm up,” Emily explained.
“With an electric shower, you don’t need to wait for stored water to heat up.”
She added that most electric showers use less than six litres of water per minute, making them “the best choice for saving water at home”.
Other tips include setting taps to the right temperature immediately instead of constantly switching between hot and cold — and even showering at the gym where possible.
“If you’re someone who goes to the gym or somewhere with showering facilities, you could also consider making sure you shower there to conserve your own water at home,” she added.
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