We use cookies to improve our website to meet your requirements.

The cookies we use don't collect personal data that could identify you but, if you want to restrict or block the cookies set by our website, you can do so through your browser settings.

How to control and delete cookies

You can restrict or block cookies through your browser settings. The 'Help' function within your browser should tell you how.

For more comprehensive information on how to restrict, block or delete cookies on a wide variety of browsers visit

For information on how to do this on your mobile phone's browser, please refer to your handset manual.

Please be aware that restricting cookies may impact on the functionality of our website.

Cookies set by this website and third-party services

In this section you can find out more details about all of the cookies that are set by this website and the third-party services we use.

Cookies for estimating the number of visitors and usage volumes

Google Analytics sets cookies to help us accurately estimate the number of visitors to the website and volumes of usage. This is to ensure that the website is available when you want it and to help us understand what you want to use. We do not collect or store your personal information (for example your name or address) so this information cannot be used to identify who you are. We do not allow Google to use or share our analytics data.

The following cookies are set by Google Analytics:

Name Typical content Expires
_utma randomly generated number 2 years
_utmb randomly generated number 30 minutes
_utmc randomly generated number when you close your browser
_utmx randomly generated number 2 years
_utmxx randomly generated number 2 years
_utmz randomly generated number and information on how the site was reached (e.g. direct or via a link, organic search or paid search) 6 months

For further details on the cookies set by Google Analytics, please refer to the Google Code website. For more information regarding how to opt out. Please visit Google Analytics privacy overview (external link).

Cookies for recording your use of this website

We use a website statistics service called Siteimprove for web analytics. This service uses a cookie to help record your use of this website. It is used to collect statistics about site usage such as when you last visited the site. This information is then used to improve the user experience on our website.

This Siteimprove cookie contains a randomly generated ID used to recognise your browser when you read a page.

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

Name Typical Content Expires
nmstat used to help record your usage of the site. 1000 days after your last visit
SP.NET_SessionId used to track the sequence of pages you look at during a visit. When you close your browser

Cookies for managing your location

We use cookies to remember your location when you agree to share it with us. Sharing your location allows us to show you relevant services nearest to you.

Name Typical Content Expires
locBNG used to remember your location. When you close your browser
locDist used to remember which district you are in. When you close your browser

Cookies for managing your current visit

We use a number of cookies to remember your selections or preferences that you’ve made when looking at the information on this site.
Name Typical Content Expires
is_returning new visitor or a visitor returning to a particular page. 5 years from last date set

Cookies set by third parties

Job search

Our job search provided by a third party company uses the following cookies:

Name Typical Content Expires


when you close your browser


when you close your browser


when you close your browser


when you close your browser


when you close your browser


when you close your browser

Cookies set by social media and sharing sites

To support your experience on our website, we sometimes embed photos and video content from websites such as YouTube and Flickr. As a result, when you visit a page with content embedded from, for example, YouTube or Flickr, you may be presented with cookies from these websites.

Some pages on our website carry embedded 'share' buttons to enable users of the site to easily share some content with their friends through a number of popular social networks. These sites may set a cookie when you are also logged in to their service. We do not control the dissemination of these cookies and you should check the relevant third party website for more information about these.