A "cookie" is a small text file that's stored on your computer, tablet or phone when you visit a website. Some cookies are deleted when you close down your browser. These are known as session cookies. Others remain on your device until they expire or you delete them from your cache. These are known as persistent cookies and enable us to remember things about you as a returning visitor.

We use cookies (and other similar technologies) to:

• Provide products and services that you request
• Give you a better online experience and track website performance
• Help make our website more relevant to you

Without cookies we are unable to provide some products or services that you might request. Other 'essential' cookies keep our website secure. Even if you say "No" to cookies on this website we'll continue to use these 'essential' cookies.

To find out more about cookies, including how to see what cookies have been set and how to manage and delete them, visit www.allaboutcookies.org. Alternatively, you can search the internet for other independent information on cookies.