Find out more about Crossness
You can contact us using the following methods:
Email us
Use our online form to send us an enquiry.
Complete our online enquiry form
Want to speak to someone in person?
Please call our 24-hour Customer Centre on 0845 9200 800 (Minicom or Typetalk: 0845 7200 898).
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
Crossness Sewage Treatment Works
Thames Water
PO BOX 286
Swindon
SN38 2RA
We aim to respond to all letters within ten working days or less.
