Cookie Policy
Last updated: 11 April 2026
1. What Are Cookies?
Cookies are small text files that are placed on your computer, tablet, or mobile device when you visit a website. They are widely used to make websites work more efficiently, provide a better browsing experience, and give website owners useful information about how their site is being used.
Cookies can be "persistent" (remaining on your device until they expire or you delete them) or "session" cookies (deleted when you close your browser).
2. How We Use Cookies
Double Glazing Units uses cookies for the following purposes:
- Essential website functionality: enabling core features such as page navigation, form submissions, and security
- Remembering your preferences: such as cookie consent choices
- Analytics: understanding how visitors use our website so we can improve it
- Performance: monitoring site speed and reliability
3. Types of Cookies We Use
3.1 Strictly Necessary Cookies
These cookies are essential for the website to function and cannot be switched off. They are usually set in response to actions you take, such as setting your privacy preferences, logging in, or filling in forms.
| Cookie Name | Purpose | Duration |
|---|---|---|
| cookie_consent | Stores your cookie consent preference | 1 year |
| session_id | Maintains your session while browsing | Session |
3.2 Analytics Cookies
These cookies help us understand how visitors interact with our website by collecting and reporting information anonymously. We use this data to improve our website and content. These cookies are only set with your consent.
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| _ga | Google Analytics | Distinguishes unique users by assigning a randomly generated number | 2 years |
| _ga_* | Google Analytics | Used to persist session state | 2 years |
| _gid | Google Analytics | Distinguishes users | 24 hours |
| _gat | Google Analytics | Throttles request rate | 1 minute |
3.3 Functional Cookies
These cookies enable enhanced functionality and personalisation, such as remembering your preferences and form entries. They may be set by us or by third-party providers whose services we use.
| Cookie Name | Purpose | Duration |
|---|---|---|
| theme_preference | Remembers your light/dark mode preference | 1 year |
4. Third-Party Cookies
Some cookies are placed by third-party services that appear on our pages. We do not control the setting of these cookies. Third parties we may use include:
- Google Analytics: web analytics service provided by Google LLC. Data may be transferred outside the UK. Google's privacy policy: policies.google.com/privacy
- Google Fonts: font delivery service. Google may log your IP address when fonts are loaded
5. Your Cookie Choices
When you first visit our website, a cookie consent banner will appear giving you the option to:
- Accept All: accept all cookies, including analytics and functional cookies
- Reject Non-Essential: only strictly necessary cookies will be used
You can change your cookie preferences at any time by clearing your browser cookies and revisiting our website, or by using the cookie settings in our cookie consent banner.
Managing Cookies in Your Browser
You can also manage cookies through your browser settings. Most browsers allow you to:
- View what cookies are stored and delete them individually
- Block cookies from specific or all websites
- Block all cookies from being set
- Delete all cookies when you close the browser
Please note that blocking all cookies may affect the functionality of our website and many other websites you visit.
For instructions on managing cookies in popular browsers:
- Google Chrome: Settings > Privacy and Security > Cookies
- Mozilla Firefox: Settings > Privacy & Security > Cookies
- Microsoft Edge: Settings > Cookies and site permissions
- Safari: Preferences > Privacy > Manage Website Data
6. PECR Compliance
This Cookie Policy complies with the Privacy and Electronic Communications Regulations (PECR) 2003, as amended. We ensure that:
- Non-essential cookies are not set until you provide your consent
- You are clearly informed about what each cookie does before consenting
- You can easily withdraw your consent at any time
- Strictly necessary cookies (essential for the website to function) do not require consent
7. Changes to This Policy
We may update this Cookie Policy from time to time. Any changes will be posted on this page with an updated "Last updated" date. We encourage you to check this page periodically.
8. Contact Us
If you have questions about our use of cookies, please contact us:
- Email: [email protected]
- Telephone: 020 8058 4360
- Post: Double Glazing Units, London, United Kingdom
You also have the right to complain to the Information Commissioner's Office (ICO) at ico.org.uk or by calling 0303 123 1113.
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