This Privacy Policy is designed to tell you about our practices regarding collection, use, and disclosure of information that you may provide via Tunnelworks, this Website. Please be sure to read this entire Privacy Policy before using or submitting information to this Website.


Bazalgette Tunnel Limited ("We") are committed to protecting and respecting your privacy.
This policy (together with our terms of use and any other documents referred to in it) sets out the basis on which any personal data we collect from you, or that you provide to us, will be processed by us. Please read the following carefully to understand our views and practices regarding your personal data and how we will treat it. By visiting you are accepting and consenting to the practices described in this policy.
For the purpose of the Data Protection Act 1998, the General Data Protection Regulation (2016/679) and any legislation that amends or replaces those laws in England and Wales (the “Data Protection Laws”), the data controller is Bazalgette Tunnel Limited of Cottons Centre, Cottons Lane, London SE1 2QG.

Information we may collect from you

Contacting us
You may contact us by email, phone, post, by filling in forms on our website or via social media. If you contact us, we will use your personal information as necessary:

Registering to receive updates
We release updates on the Tideway proposals and related matters from time to time. You may register to receive these updates directly by email. By providing your contact details, including your email address, you are expressly consenting to receiving these updates. You can opt-out of receiving updates at any time by clicking the “Unsubscribe” link in our emails, or by emailing the “Unsubscribe” email address provided in our emails, or you can opt-out of receiving updates at any time by contacting [email protected].

Applying for a job
We may make interactive features available on our site to allow you to engage with the Thames Tideway Tunnel Project. For these features to work, you may be required to provide certain information, including your post code or geolocation.

Using interactive features on our site
We may make interactive features available on our site to allow you to engage with the Thames Tideway Tunnel Project. For these features to work, you may be required to provide certain information, including your post code or geolocation.

Visiting our site
When you visit our site we may automatically collect the following information:

We will use this information to improve the content of our site, to customise our site to your preferences and ensure that content from our site is presented in the most effective manner for you and for your device.


Cookies are small files which are stored on your computer. They are designed to be specific to you and our website and can be accessed either by the web server or your computer. This allows the server to deliver pages tailored to you, or the web pages themselves can contain some script which is aware of the data in the cookie(s) and so are able to carry information from one visit to the website (or related site) to the next.
A cookie is a small file of letters and numbers that is stored on your browser or the hard drive of your computer if you agree. Cookies contain information that is transferred to your computer’s hard drive. Our site uses cookies provided by Google Analytics to:

These Google Analytics cookies stored on your browser may remain active for up to 2 years. You can block Google Analytics cookies from your browser at any time by visiting

Our site also uses cookies that are strictly necessary for the operation of our website, or are functional in nature. These cookies allow us to:

You can block these cookies by activating the setting on your browser that allows you to refuse the setting of all or some cookies. However, if you use your browser settings to block all cookies (including essential cookies) you may not be able to access all or parts of our site.

Disclosure of your information

We may share your personal information with any member of our group, which means our subsidiaries, our ultimate holding company and its subsidiaries, as defined in section 1159 of the UK Companies Act 2006.
We may disclose your personal information to third parties if we are under a duty to disclose or share your personal data in order to comply with any legal obligation, or in order to enforce or apply our terms.

Where we store your personal data

The data that we collect from you will not be transferred to, or stored at, a destination outside the European Economic Area ("EEA") and will be stored on the Tideway secure server which is currently hosted through Amazon Web Services.

How long we keep your information

We only collect your information for the specific purposes set out in this policy. We will only retain your information for as long as is necessary to fulfil these purposes, and for the purposes of legal and regulatory compliance.

Your rights

You may be entitled to request access to information we hold about you, or to request that your information is erased, that its processing is restricted, or that any inaccurate information we hold in relation to you is rectified. You also have the right to object to the processing of your data and, in some circumstances, you may have the right to receive the information we hold about you in a machine-readable format. You can exercise these rights at any time by contacting us at [email protected] or by writing to: the Data Protection Officer, Bazalgette Tunnel Limited, Cottons Centre, Cottons Lane, London SE1 2QG. All requests received will be handled in accordance with the Data Protection Laws.

You have the right to lodge a complaint with the Information Commissioner’s Office if you believe that we have breached our obligations under the Data Protection Laws or are otherwise concerned about the way in which your information is handled. Please visit for further information.

Under the Data Protection Laws, the legal basis on which we process your information is (unless stated otherwise) for purposes necessary for our legitimate interests, being running of a construction company, promoting our services and maintaining records, such as the book of reference described above.

Third party sites

Our site may, from time to time, contain links to and from the websites of our partner networks, advertisers and affiliates. If you follow a link to any of these websites, please note that these websites have their own privacy policies and that we do not accept any responsibility or liability for these policies. Please check these policies before you submit any personal data to these websites.

Changes to our privacy policy

Any changes we may make to our privacy policy in the future will be posted on this page and, where appropriate, notified to you by e-mail. Please check back frequently to see any updates or changes to our privacy policy.


Questions, comments and requests regarding this privacy policy are welcomed and should be addressed to [email protected] or by writing to the Compliance and Information Officer, Bazalgette Tunnel Limited, Cottons Centre, Cottons Lane, London SE1 2QG.