Mandatory water efficiency labels for kitchen and bathroom products may soon come into effect, to help save consumers over £270 million on bills over 10 years.

The plans, subject to a 12-week consultation launched on September 2, by the UK Government and Devolved Administrations, are designed to encourage consumers to purchase water-efficient products and help customers manage water and energy bills.

Based on 2019 prices, the label could save £125 million on water bills and £147 million on energy bills over 10 years, as well as 1,200 million litres of water a day – the equivalent of 480 Olympic swimming pools.

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Water Minister Steve Double said: “Water is a precious resource. We want to support consumers so they can make savings without having to make significant changes to their daily lives.

“These plans will help people to make the right choices to save water and reduce their energy bills.

The proposals aim to introduce a separate water label from the existing energy label for display on toilets, urinals, kitchen sink taps, bathroom basin taps, non-electric shower outlet devices and shower assembly solutions, dishwashers, washing machines and combination washer/dryers.

Hot water use is the second largest use of energy in a home after space heating.

Installing a water-efficient showerhead could save an average household (2.3 occupants) 3,762 litres of water, and £17.44 off their combined utility bills per year.

A family of four could save 6,468 litres and about £30 off their combined energy and water bill each year.

In 2021 alone, energy efficiency labelling and minimum performance standards led to energy bill savings of £75 for the average dual-fuel household.

David Black, Ofwat CEO, said: “This summer has highlighted the importance of water. Water labelling is a key tool, helping everybody make informed choices that can reduce their water use and bills.

“Managing water demand plays a role in tackling the pressures on our water system, alongside pushing water companies to reduce leakage and looking at new sources and water transfers to increase our future water supply.

“We support the proposals and look forward to seeing the outcome of this consultation.

Water UK Chief Executive Christine McGourty said: “The Government’s proposals on water efficiency labelling are a vital step forward in reducing the amount of water we all use, and will allow customers to make informed decisions as well as save money and energy.

“Alongside the work that water companies are already doing to tackle leakage from pipes, and invest in infrastructure, cutting water use will help make our water supply more resilient to the existential challenges of climate change.

The consultation launch follows a commitment from the Environment Secretary last year to introduce a mandatory efficiency label as part of wider plans to safeguard water supplies.

The package includes asking water companies to develop a consistent approach on fixing customer supply pipe leakage and developing a roadmap towards greater water efficiency in new  developments and through retrofits.

These measures, along with the work from water companies to reduce leakage by 50%, will help meet the ambitions set out in the National Framework for Water Resources to reduce personal water consumption to 110 litres per person per day by 2050, compared with the current average of 145 litres.