Thames Water

Thames Water Utilities Ltd.

Website address: http://www.thameswater.co.uk

Water Regulations contact: Regulations Department

Direct Telephone Number: 0800 316 9800 (Monday to Friday 08:00 to 16:00), during out of hours please ring the customer centre on 0800 316 9800 and ask for a call back from the Water Regulations Team. 

Email addresses:
Technical / notification enquiries / RPZ enquiries – water.regulations@thameswater.co.uk
Planning/rescheduling of inspections – water.regulationsplanning@thameswater.co.uk 
Approved plumber scheme  - info@wiaps.co.uk

Address for postal submission of all regulation 5 notifications, RPZ test certificates and approved plumber related correspondence:

Thames Water Utilities Limited
Water Regulations
PO Box 508 
Swindon
SN28 9TU


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