You can pay your bill in full or by agreed instalments over the phone using our automated service, which is available 24 hours a day.
Please call 0800 980 8800 and have your Thames Water account number (printed at the top of your bill) and debit or credit card to hand.
Our lines are open from 8am to 8pm, Monday to Friday, from 8am to 6pm on Saturday and closed on Sunday and bank holidays.
0800 numbers are free to call from UK landlines, but may be chargeable from mobiles. Rates vary depending on your network and call plan.
You will be given a unique reference number to confirm your payment.