When we provide services, we want to make them easy, useful and reliable.

Where services are delivered on the internet, this sometimes involves placing small amounts of information on your device, for example, your computer or mobile phone.

These include small files known as cookies, and JavaScript code.

They cannot be used to identify you personally.

Why do we need to use cookies?

These pieces of information are used to improve services for you, for example, by:

  • enabling a service to recognise your device so you don't have to give the same information several times during one task
  • measuring how many people are using our website, so it can be made easier to use and there is enough capacity to ensure it is fast, and will work on your browser.

How to refuse to accept cookies

You may refuse to accept our cookies by activating the setting on your browser which allows you to refuse the setting of cookies. However, if you select this setting you may be unable to access certain parts of our site.

Unless you have adjusted your browser setting so that it will refuse cookies, our system will issue cookies when you visit our site.

For more information on deleting and controlling cookies visit

How to disable Javascript

Similarly you can set up your browser to disable JavaScript – please see your browser’s help pages for instructions on how to do this. If you choose to disable Javascript, the core functionality of our website will still work, but you will have a less enhanced browsing experience.

Cookies used by Google analytics

Google Analytics sets cookies to help us accurately estimate the number of visitors to our website and volumes of usage. This is to ensure that we provide a fast service that is available when you want it. You may wish to visit Google's Privacy Center.

Cookies for improving your browsing experience

The software we use to publish our website may put cookies onto your browsing device.

Name Content Expires
tracker Contains the last 5 pages viewed. Typically used for form or error message returns End of session.
last_activity A number. Records the time of the last page load. 1 year