Cookie Policy

At Martineau Galleries Ltd Partnership and Hammerson Plc., we are committed to protecting and preserving the privacy of our visitors’ information when visiting our site or communicating electronically with us. This Cookie Policy explains what cookies are and how we use them. It also explains the different types of cookies we use, and how you can change or delete them.

We hope that this policy helps you understand, and feel more confident about, our use of cookies. If you have any further queries, please contact us on  For information on how your information is collected and used by us in general, please see our Privacy Policy.

What is a cookie?

1.1 Cookies are small text files that are stored by your browser onto your computer or mobile device. A cookie allows your preferences or actions across a site to be remembered on subsequent visits. Cookies are widely used in order to make websites work or work in a better, more efficient way. They can do this because websites can read and write these files, enabling them to recognise you and remember important information that will make your use of a website more convenient.

1.2 Most web browsers automatically accept cookies, but if you do not want information collected this way, you can manage your cookie preferences in the main cookie banner & tab at the top of the page at any time by selecting ‘Cookie settings’.

1.3 We work with other third-party organisations to provide the services on our website. A third party is an organisation which is not hosted at the domain address in your browser when you visit our website. These third parties may also use cookies on our website and can also place cookies on your device without you visiting their website directly. If you would like more information about third party cookies, please read section 4 below.


Our website uses different types of cookies. A cookie is a small file of letters and numbers that we put on your computer if you agree. These cookies allow us to distinguish you from other users of the website which helps us to provide you with a good experience when you browse our website and also allows us to improve our site.

The cookies we use are ‘analytical’ cookies. They allow us to recognise and count the number of visitors and to see how visitors move around the site when they’re using it. This helps us to improve the way our website works, for example by making sure users are finding what they need easily.

Read more about the individual analytical cookies we use and how to recognise them;

The only cookies used on the site are Preference Cookies & Anonymous and Analytical Cookies, as listed below.

Analytics cookies collect information about the use of a website and help to improve the way a website works. For example, analytics cookies may help us understand which pages are the most popular. Analytics cookies do not collect information that identifies a user personally and all information that is collected by these cookies is aggregated and anonymous.

The Google Analytics JavaScript libraries use HTTP Cookies to remember what a user has done on previous pages / interactions with the website.

_ga – a persistent cookie, used to distinguish users, to generate statistical information about their use of the website. Held for 2 years.

_gid – a session cookie, used to distinguish users. Held for 24 hours.

_dc_gtm_<property-id> – Used to throttle number of requests received by users. Held for 1 minute.

Other non-essential cookies;

[viewed_cookie_policy] – This records that you have accepted our Cookie Policy by clicking Accept.

[cookielawinfo-checkbox-non-necessary] – If you choose to accept or decline cookies, this cookie stores the preference you have made. The cookie preferences are stored to retain visitor choices in the main cookie banner.

Information Google Analytics collects via their cookies;

IP address (automatically collected by Google & is aggregated and anonymised so is not available to us.)

  • Web browser type & version
  • Operating System
  • Referrer site & on-page activity

We use this to understand how our site is being used in order to improve the user experience. All data collected is anonymous.

Further information on Google Analytics can be found at:


3.1 Accepting required and analytics cookies is a condition of using our website. If you reject these types of cookies, then we cannot predict how our website will perform when you visit it.


4.1 You can control which cookies you get and which you keep on your device. Unless you have adjusted your browser settings so that it will refuse our cookies, our system will issue cookies when you visit our website.

4.2 You may refuse to accept our cookies on your device at any time by activating the setting on your browser which allows you to refuse cookies and/or by going to ‘Cookie settings’ in the policy bar.

4.3 Please note that if you adjust your cookie settings via your browser, this will also affect any other websites you may visit.