Contacting us about the London Tideway Improvements

You can contact us using the following methods:

By email

Use our online form to send us an enquiry.

 Complete our online enquiry form

By phone

Please call our Customer Centre on 0845 9200 800 (Minicom or Typetalk: 0845 7200 898). Lines are open 24 hours a day.

If you are trying to contact us from outside the UK, please call +44 1793 366011.

To help us continually improve the quality of our service we record all calls.

By post

London Tideway Improvements
Thames Water
PO BOX 286
Swindon
SN38 2RA

We aim to respond to all letters within ten working days or less.


Project updates

Phil Stride, Head of London Tideway Tunnels

"2010 will be a busy year for the teams working to deliver the two tunnels..."

Project supporters

Baroness Jo Valentine

"The Tunnels are an essential piece of infrastructure..."