Expertise to support informed decisions

What is a cookie?

A cookie is a small piece of data that is sent to your computer or device browser from a website, such as This data is stored on your hard drive if your browser preferences allow it. Each website can send cookies, but to protect your privacy websites are only allowed to read the data stored in cookies that they have sent to you. Websites cannot read cookies set by other websites.

During the course of a visit to a website, the pages you see as well as any cookies are downloaded from the website to your device. Websites do this to enable website publishers (like Chestertons) to find out useful information about your device (and also its user). It also allows the website to recognise whether you have visited the website before, by checking if a particular cookie already exists.

The Chestertons website uses cookies to record your selected preferences (such as a currency), which we use to tailor the website and property search for you. User’s have the opportunity to set their browsers to accept, decline or notify them whenever a cookie is issued. If the user declines the cookie then it means the user will not be able to take full advantage of certain personalised features that the website offers. Each web browser has a different way of changing your cookie preferences. The “Help” menu of your browser should allow you to find out how to do this.

How does Chestertons use cookies

The information we collect from cookies allows us to profile visitors to our website, and can help us provide them with a better experience. For example, if they have previously looked at a particular property – we can store this information in a cookie to provide overviews of properties you may have looked at on subsequent visits.

Third Party Cookies on Chestertons pages

Chestertons uses a number of suppliers who also set cookies on our behalf in order to collect additional data and information about how people use our websites.

Cookies used on the Chestertons website

This is a list of the cookies used across the Chestertons website and what they are used for:


WhatCookies SetThoughts
Google Analytics 4 Google analytics cookies - used for tracking and data collection by the site's owners.
Session 1 These are cookies that self-clear when your session ends (ie you leave the site, close your browser etc)
Your Own 1 These are cookies added to remember search queries and other non-essential information.


FeatureCookie NamePurposeExpires
Session ASP.NET_SessionId Session Cookie - contains authentication information important to the site's fast running End of session
User preference UserCurrency Contains currency information to ensure selections are maintained across pages 1 year
Tracking __utma Google Analytics 2 years
Tracking __utmb Google Analytics 1 day
Tracking __utmc Google Analytics End of session
Tracking __utmz Google Analytics 6 months