Our Website uses cookies to distinguish you from other users of our Website. This helps us to provide you with a good experience when you browse our Website and also allows us to improve our site. This policy sets out how we use cookies in relation to our Website.


Cookies are files that store information on your hard drive or browser that means that our Website can recognise that you have visited our Website before. They make it easier for you to maintain your preferences on the Website, and by seeing how you use the Website, we can tailor the Website around your preferences and measure usability of the Website.

You can, should you choose, disable the cookies from your browser and delete all cookies currently stored on your computer. You should refer to your specific internet browser for instructions. For example, on Microsoft Internet Explorer, this can be done by selecting 'Tools/Internet Options' and reviewing your privacy settings or selecting 'delete cookies'. Other internet browsers may have other methods of amending cookie preferences. However, if you use your browser settings to block all cookies (including essential cookies) you may not be able to access all or parts of our site. If you continue without changing your settings, we’ll assume that you are happy to receive all cookies on our Website.

All matters between you and us in relation to our cookie policy and this Website are governed by the Laws of England and Wales and all claims or disputes arising out of or in connection with this Website shall be subject to the exclusive jurisdiction of the English Courts.

You can find more information about the individual cookies we use and the purposes for which we use them in the tables below:

Essential cookies

CookieCookie codeDescriptionDefault expiration time
Umbraco CMSUMB_UCONTEXT_CThis cookie is set by websites using the Umbraco CMS. It is necessary for CMS and is usually only seen by site administrators accessing the back end of the website, rather than general visitors.End of session
XSRF-TOKENUsed for preventing Cross-site request forgery attacks.*
XSRF-VUsed for preventing Cross-site request forgery attacks.*
UMB_UPDCHKUmbraco specific cookies – Strictly necessary for the website to work correctly. This cookie is set by websites using the Umbraco web content management system. It is usually only seen by site administrators accessing the back end of the website, rather than general visitors.1 year
Umbraco.org__cfduidCookie is set by the CloudFlare service to identify trusted web traffic. It does not correspond to any user id in the web application, nor does the cookie store any personally identifiable information.1 year
HeritageOilsuseCookies1 year

Performance/Google Analytics cookies

Cookie codeDescriptionExpiration date
_gatThis cookie is used to control the request rate. These cookies are used to collect information about how visitors use the website. This information is used to compile reports and to help us improve the website.1 minute
_gidThis cookie is installed by Google Analytics. The cookie is used to store information on how visitors use a website and helps in creating an analytics report of how the website is doing. The data collected includes the number of visitors, the source of their income, and the pages visited in an anonymous form.1 day
_gaThis cookie name is associated with Google Universal Analytics – which is a significant update to Google's more commonly used analytics service. This cookie is used to distinguish unique users by assigning a randomly generated number as a client identifier. It is included in each page request in a site and used to calculate visitor, session and campaign data for the site's analytics reports. By default it is set to expire after 2 years, although this is customisable by website owners.2 years


For further information about cookies, please see Google cookies.

For more information about the types of information we gather, please see our Privacy Policy.