This website uses cookies to remember you when you return to our site and to add extra functionality provided by third-party services such as Google or YouTube.

Cookies are small text files which are stored on your computer.

The tables below list the cookies you may encounter when using this site.

Please note that third-party cookies are set by other companies who have content on the CREST site – for example, YouTube or Flickr. These companies may set and control their own cookies.

Cookies set by this site

wiresUsed by our content management system to identify a specific user session.At the end of the session (when your browser is closed down or a period of time has passed with no interaction)

Third-party cookies

These are cookies set by other companies who have content on the CREST site. These companies may set their own cookies, which are controlled by them.

We aim to keep this list updated, but since the cookies are set by third-party services the list may become out of date if those services alter the cookies they use.

ProviderNamePurposeMore info


These cookies are used to collect statistics about how visitors use the site. The information includes where visitors have come to the site from and the pages they visited. We use this information to improve our website.

The information generated by the cookies about your use of our website (including your IP address) will be transmitted to and stored by Google. Google may also transfer this information to third parties where required to do so by law, or where such third parties process the information on Google’s behalf. Google undertakes not to associate your IP address with any other data held by Google.

Google privacy policy
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