Welcome to Thames Water
We take care of water for 16 million people, enabling our customers, communities, and environment to thrive.
Price review 2024
We understand you may be concerned about the April price increase. This is part of our five-year plan to improve our services. Find out more about the price review.
Quality. On tap. For everyone
We work hard to ensure the quality of your drinking water.
Every year we carry out more than 500,000 tests. We take samples from our water mains and pipes, as well as from customers’ taps.
If you want to check out the water quality in your local area, all you need is your postcode.
Explore Thames Water
Get help and advice on some of our most popular topics.
Metered charges
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.
Unmetered charges
For customers without a water meter, we work out charges based on the size and location of your property.
Debt support
Our Customer Assistance Fund can help you to clear your water bill debt.
No water or low pressure
What to do if your water suddenly stops or you’re having issues with your supply.
Storm discharge map
Our near real-time map shows storm discharge activity, indicated by our EDM monitors.
Leakage performance
Find out how we're tackling leaks across our network.