Cookies are text files containing small amounts of information which are downloaded to your device when you visit a website. Cookies are then sent back to the originating website on each subsequent visit, or to another website that recognises that cookie. Cookies are useful because they allow a website to recognise a user’s device. Cookies do lots of different jobs, like letting you navigate between pages efficiently, remembering your preferences, and generally improve the user experience.

The cookies used on this Website have been categorised based on the categories found in the ICC UK.

Cookie guide

A list of all the cookies used on this Website by category is set out below.

Category 1: strictly necessary cookies

These cookies are essential in order to enable you to move around the Website and use its features, such as accessing secure areas of the Website.

Catergory 2: performance cookies

These cookies collect information about how visitors use a website, for instance which pages visitors go to most often, and if they get error messages from web pages. These cookies do not collect information that identifies a visitor. All information these cookies collect is aggregated and therefore anonymous. This information is only used to improve the performance of the Website.

Category 3: functionality cookies

These cookies allow the Website to remember choices you make (such as your user name, language or the region you are in) and help provide enhanced features. These cookies can also be used to remember changes you have made to text size, fonts and other parts of web pages that you can customise. They may also be used to provide services you have asked for. The information these cookies collect may be anonymised and they cannot track your browsing activity on other websites. By using our Website you agree that we can place these types of cookies on your device and access them when you visit the site in the future.

Category 4: targeting cookies or advertising cookies

These cookies are used to deliver adverts more relevant to you and your interests They are also used to limit the number of times you see an advertisement as well as help measure the effectiveness of the advertising campaign. They are usually placed by advertising networks with the website operator’s permission. They remember that you have visited a website and this information is shared with other organisations such as advertisers. Quite often targeting or advertising cookies will be linked to site functionality provided by the other organizations.

For more information see:

What cookies are used on this website?

Category File name Duration Purpose
Strictly necessary exp_csrf_token Until you close your browser

Content Management System

This cookie is used to securely process your requests.

Some functions of the website depend on this cookie and may not work properly, or at all, if it is disabled.

Functionality architonic Until you close your browser

Content Management System

These cookies allow the website to remember choices you make (such as favourites) and help provide enhanced features.

exp_last_activity 1 year from set/update
exp_last_visit 1 year from set/update
exp_tracker Until you close your browser
Performance __utma 2 years from set/update

Google Analytics

These cookies are used to collect information about your use of the site. We use the information to compile reports and to help us improve the site.

These cookies collect information in an anonymous form, including the number of visitors to the site, where visitors have come to the site from and the pages they visited.

You can find out more about Google Analytics and privacy at Google by clicking here.

__utmb 30 minutes from set/update
__utmc Until you close your browser
__utmt_t2 10 minutes
__utmt_t4 10 minutes
__utmz 6 months from set/update
_ga 2 years from set/update

How do I opt out?

Most web browsers allow some control of most cookies through the browser settings. To find out more about cookies, including how to see what cookies have been set and how to manage and delete them, visit

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