Last updated: 08 May 2014


This Privacy Policy is designed to tell you about our practices regarding collection, use, and disclosure of information that you may provide via the Websites.

Please be sure to read this entire Privacy Policy before using or submitting information to the Websites.


Your Consent

By using the Websites, you agree with the terms of this Privacy Policy. Whenever you submit information via the Websites, you consent to the collection, use, and disclosure of that information in accordance with this Privacy Policy.

Data Protection

Thames Tideway Tunnel operates in accordance with the Data Protection Act 1998 and the policy statement as set out below. If at any time you no longer wish to receive information from us please let us know in writing or by email.

Thames Tideway Tunnel Limited and its agents will process personal information that you may provide for the purpose of consultation, statistical analysis, profiling and administration of the Thames Tideway Tunnel project. The data may be used in order to keep you informed about the progress of the Thames Tideway Tunnel proposals, for maintaining the book of reference of those with relevant interests in the land affected by the proposals (and keeping it up to date) and for the purposes of serving any notices which may require to be served in connection with the proposals.

Active Information Collection

Like many websites, the Websites actively collect information from its visitors by permitting you to communicate directly with us via e-mail and feedback forms, or by registering to access some content. Some of the information that you submit may be personally identifiable information (that is, information that can be uniquely identified with you, such as your full name, address, e-mail address, phone number, and so on).

Some areas of this site may require you to submit information in order for you to benefit from the specified features (such as newsletter subscriptions) or to participate in a particular activity (such as online polls). You will be informed at each information collection point what information is required and what information is optional.

Passive Information Collection

As you navigate through a website, certain information can be passively collected (that is, gathered without your actively providing the information) using various technologies and means, such as Internet Protocol addresses, cookies, Internet tags, and navigational data collection.

The Websites may use Internet Protocol (IP) addresses. An IP Address is a number assigned to your computer by your Internet service provider so you can access the Internet and is generally considered to be non-personally identifiable information, because in most cases an IP address is dynamic (changing each time you connect to the Internet), rather than static (unique to a particular user's computer). We use your IP address to diagnose problems with our server, report aggregate information, determine the fastest route for your computer to use in connecting to our site, and administer and improve the site.

A "cookie" is a bit of information that a website sends to your web browser that helps the site remember information about you and your preferences. The Websites do not use cookies.

"Session" cookies are temporary bits of information that are erased once you exit your web browser window or otherwise turn your computer off. Session cookies are used to improve navigation on websites and to collect aggregate statistical information. The Websites do not use session cookies.

"Persistent" cookies are more permanent bits of information that are placed on the hard drive of your computer and stay there unless you delete the cookie. Persistent cookies store information on your computer for a number of purposes, such as retrieving certain information you have previously provided (e.g., passwords), helping to determine what areas of the website visitors find most valuable, and customizing the website based on your preferences. The Websites do not use persistent cookies.

"Internet tags" (also known as single-pixel GIFs, clear GIFs, invisible GIFs, and 1-by-1 GIFs) are smaller than cookies and tell the website server information such as the IP address and browser type related to the visitor's computer. The Websites do not use Internet tags.

"Navigational data" ("log files," "server logs," and "clickstream" data) are used for system management, to improve the content of the site, market research purposes, and to communicate information to visitors. The Websites do use navigational data.

Cookies collected are:

Cookies - localStorage.cookies – This cookie is turned on when the user first visits the site on a device (and shows the black cookie dropdown at the very top). This makes sure the bar doesn’t reappear again and again.

Local - localStorage.local – This cookie reads whether you have selected to filter news by local area or not.

User Area - localStorage.userArea – This is the site closest to you, if you have allowed browser access to your location (e.g. Acton Storm Tanks).

User Postcode - localStorage.userPostcode – This is the first part of your postcode (e.g. HA5).

User Lat - localStorage.user_lat – This is the latitude coordinate of your location.

User Lng - localStorage.user_lng – This is the longitude coordinate of your location. 

Use and Disclosure of Information

Except as otherwise stated, we may use your information to improve the content of the Websites, to customise the Websites to your preferences, to communicate information to you (if you have requested it), for our marketing and research purposes, and for the purposes specified in this Privacy Policy.

If you provide personally identifiable information to the Websites, we may combine such information with other actively collected information unless we specify otherwise at the point of collection. We will take reasonable measures to prevent personally identifiable information from being combined with passively collected information, unless you consent otherwise. In addition, we will make full use of all information acquired through the Websites that is not in personally identifiable form.

Access and Correction

To keep your personally identifiable information accurate, current, and complete, please contact us as specified below. We will take reasonable steps to update or correct personally identifiable information in our possession that you have previously submitted via the Websites.

Sharing Media with you

We have chosen to share assets in the Media Library the following additional terms and conditions shall apply to the pictures and films in the Thames Tideway Tunnel media library (the “Pictures and/or Films”):

  • Copyright in the pictures and/or films is and will at all times be owned by and/or licensed to Thames Water Utilities Limited (“TWUL”);
  • TWUL hereby grants the users of this site permission to use the pictures and/or films for any commercial or business purpose PROVIDED THAT

a)     the use or reproduction of the pictures and/or films is not used in a way that could objectively be considered to damage TWUL’s reputation; and

b)     upon use or reproduction of the pictures and/or films, the user makes it clear that the copyright in the picture and/or films is owned and or licenced to TWUL (the warning should be set out in the following form “Copyright © Thames Water Utilities Limited [year of first publication].”

  • Use of the pictures and/or films is at the user’s own risk. To the greatest extent permitted by law, TWUL accepts no liability for loss of any kind incurred as a result of reliance on or use of the pictures and/or films.
  • Any licence of use granted by the conditions set out above is revocable. TWUL reserves the right to withdraw and revoke its permission to use any of the pictures and/or films at any time.


We take reasonable steps to protect your personally identifiable information as you transmit your information from your computer to our site and to protect such information from loss, misuse, and unauthorized access, disclosure, alteration, or destruction. You should keep in mind that no Internet transmission is ever 100% secure or error-free. In particular, e-mail sent to or from the Websites may not be secure, and you should therefore take special care in deciding what information you send to us via email. Moreover, where you use passwords, ID numbers, or other special access features on the Websites, it is your responsibility to safeguard them.

Links to Other Web Sites

The Websites may contain links or references to other websites. Please be aware that we do not control other websites and that, in any case, this Privacy Policy does not apply to those websites. We encourage you to read the privacy policy of every website you visit.