Thames Water Customer Service Number

Phone: 0800 316 9800

Call cost: Free to call from UK landlines and mobiles.

The UK's largest water company serving London and the Thames Valley region.

Thames Water is the largest water and wastewater services company in the UK, serving 15 million customers across London and the Thames Valley. They provide clean drinking water and treat wastewater before returning it safely to the environment. Customer service can help with billing, moving home, water quality concerns, reporting leaks, meter installation, payment plans, and water supply interruptions. Thames Water also offers a range of support for customers who may be struggling to pay.

Opening hours: Mon–Fri 08:00–20:00, Sat 09:00–17:00

Thames Water opening times

Monday08:00–20:00
Tuesday08:00–20:00
Wednesday08:00–20:00
Thursday08:00–20:00
Friday08:00–20:00
Saturday09:00–17:00
SundayClosed

Website: thameswater.co.uk

Clearwater Court, Vastern Road, Reading, RG1 8DB

Frequently asked questions

What is Thames Water's customer service phone number?

The Thames Water customer service number is 0800 316 9800.

Is Thames Water customer service open on Sunday?

No, Thames Water customer service is closed on Sundays.

Is Thames Water's phone number free to call?

0800 316 9800: Yes. It's a freephone number, so it's free to call from UK landlines and mobiles.

What are Thames Water's opening hours?

Friday: 08:00–20:00, Monday: 08:00–20:00, Tuesday: 08:00–20:00, Saturday: 09:00–17:00, Thursday: 08:00–20:00, Wednesday: 08:00–20:00

What is the official Thames Water website?

The official Thames Water website is https://www.thameswater.co.uk.

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