Our business

We're the UK's largest water and wastewater services provider

We supply around 2,600 million litres of tap water across London and the Thames Valley.

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Our directors have a wealth of experience and extensive knowledge of the water and utility industry.

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Find out more about our regulatory performance.

The organisations we work with to maintain our good performance.

At-a-glance stats and interesting information about Thames Water.

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Our history dates back to the 1600s with the creation of the New River.

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We manage around 18,000 acres in total on over 5,000 sites.

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