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A Thames worker taking a water sample by a river

Welcome to Thames Water

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

A person in a green jumper pouring oil from a frying pan into a glass container rather than down the sink.

Stop blocked pipes this Unblocktober

From flushing wet wipes to pouring oil down the kitchen sink, Unblocktober is the perfect time to fix bad habits at home!

Blocked pipes could cost you hundreds of pounds to fix.

Not only that, everything you flush or rinse away could end up in our rivers and seas.

Read more about blockages

Explore Thames Water

Get help and advice on some of our most popular topics.

No water coming from a bathroom tap

No water or low pressure

What to do if your water suddenly stops or you’re having issues with your supply.

View water pressure
Thames Water engineer testing river water for pollution

Pollution

How to recognise and report signs of pollution to help us protect our rivers and waterways.

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Family washing up together

WaterHelp

Our WaterHelp scheme can help if your water bill is a large proportion of your household income.

View WaterHelp
Thames Water customer checking account on laptop

Metered customers

We go through how you’re billed if you’re on a water meter and what to do if your bill is higher than usual.

View metered charges
Storm discharge map

Storm discharge map

Our near real-time map shows storm discharge activity, indicated by our EDM monitors.

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Thames Water engineer with van

Leakage performance

Find out how we're tackling leaks across our network.

View leakage performance