Cookies are small text files placed on your computer and are commonly used on the internet.

We use session cookies – these are temporary and are deleted as soon as you close your browser. We use them to:

  • collect anonymous information that will help us understand visitors’ browsing habits on our website
  • compile statistical reports on website activity, e.g. number of visitors and the pages they visit
  • temporarily store any information which you may enter in tools, such as calculators or demonstrations on our website
  • We do not use cookies to store any personal information in them that others could read and understand.

Cookies will not be used in any way compromise the security of your computer.

You can use this website with no loss of functionality if cookies are disabled from the web browser. Your internet browser’s help section will have specific instructions about how to manage or disable cookies. More information on cookies can be found online, such as at This includes information on how to disable cookies.

Last updated: 14/05/2024