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A young girl and a dog play in the river

Welcome to Thames Water

We take care of water for 16 million people, enabling our customers, communities, and environment to thrive.

person using a watering can

Discover your water usage

Our water-saving calculator provides a tailored report on your water and energy usage. All you need to do is answer some quick and easy questions.

Plus the calculator will also show you how you can save water.

Join thousands of people who've already used the calculator to reduce their water and energy use.

Check your water usage

Things we love

Caring for water

We're passionate about protecting our most precious resource.

Our people

Could you be our next Data Analyst, Mechanical Engineer or Marketing Manager?

Sharing our stories

From fatbergs to fountains, read the latest news and updates from our business.