We use cookies on this website

A cookie is a small piece of text stored on your computer, phone or whatever you use to browse the web. Cookies have many uses, but fundamentally they are used to store information about you on your computer.

If you set your browser to refuse cookies, please be aware that there will be parts of this website that will not work.

We encourage you to accept the cookies our website uses as they help us to improve the user experience for you and many others.

We do not use cookies to store or obtain personal information about the user or use any cookies for advertising purposes.

The cookies we use are:

Cookie Name Type Domain Expires Information
nmstat Persistent 1000 days after last visit

This cookie is used to help record the visitor's use of the website.

It is used to collect statistics about site usage such as when the visitor last visited the site.

This information is then used to improve the user experience on the website.

This Siteimprove Analytics cookie contains a randomly generated ID used to recognise the browser when a visitor reads a page.

The cookie contains no personal information and is used only for web analytics.

ASP.NET_SessionId Non-persistent Browser session

This cookie is used purely to track the sequence of pages a visitor looks at during a visit to the site.

This information can be used to reduce user journeys, and enable visitors to find relevant information quicker.

To refuse or delete cookies

We recommend you allow the cookies set by this website as they help us to improve it and provide a better service. If you do not want to receive cookies from this website, select cookie settings under the privacy settings in your browser options and add our domain - - to the list of websites from which you wish to refuse cookies.

Under settings you can also delete individual cookies, or any cookies that your browser has stored. You can find more information on how to delete and control cookies at

If you set your browser to refuse cookies, please be aware that there may be functionality on various websites that will no longer work.