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Our site uses cookies to make this site work better for you and for us.

Some of our cookies are essential, and parts of the site won't work without them. We also use some non-essential cookies to anonymously track visitors. This helps us understand better how people use our site, so that we can improve it. 

Managing your cookies

You can decide which kinds of cookies you would like to accept or block on our site by clicking the 'C' icon at the bottom of the screen or using the Alt + c keyboard shortcut.

You can also use your web browser to delete or block cookies, clear all cookies when you close the browser and open a 'private browsing'/'incognito' session, which allows you to browse the internet without storing local data.

Where to find information about controlling cookies in your browser

Cookies used on this website 

 Name Expires Purpose
CookieControl 90 days   Used to save cookie preferences 
ARRAffinitySameSite    To manage and balance the website traffic load  
ASP.NET_SessionId    To identify the users session on the server  
Eforms_return1  When you close your browser  Used to pass information from one screen to another and then to store the information in our backend systems. 
Eform options  

Google Analytics

We use Google Analytics software to collect information about how you use our site. We do this to help make sure the site is meeting the needs of its users and to help us make improvements, for example improving site search.

Google Analytics stores information about:

  • the pages you visit
  • how long you spend on each page
  • how you got to the site
  • what you click on while you’re visiting the site

We don’t collect or store your personal information (for example your name or address) so this information can’t be used to identify who you are.

We don’t allow Google to use or share our analytics data.

The following cookies are set by Google Analytics on

To opt out of being tracked by Google Analytics across all websites visit Google Analytics opt-out tools

Google Analytics cookies
Name Expires Purpose
 _ga 2 years

These cookies are used to collect information about how visitors use our site. We use the information to compile reports and to help make improvements. The cookies collect information in an anonymous form, including the number of visitors to the site, where visitors have come from, the pages visited and whether have used My eAccount, our customer portal.

 _gid 24 hours
 _gat 10 minutes
2 years
30 minutes
When you close your browser
6 months
2 years


We use YouTube to provide videos on some pages of the site. YouTube sets cookies when you visit one of these pages.

YouTube cookies
 Name Expires Purpose
_use_hitbox When you close your browser  This is a randomly generated number that identifies your browser 
VISITOR_INFO1_LIVE  9 months  Lets YouTube count the views of embedded YouTube videos