Cookie Policy
Last updated: June 2026
What are cookies?
Cookies are small text files placed on your device when you visit a website. They allow the site to remember your preferences and improve your experience.
Cookies we use
Necessary
These cookies are required for the website to function and cannot be turned off.
| Cookie | Purpose | Duration |
|---|---|---|
klaro | Stores your consent preferences (Klaro consent manager) | 1 year |
Analytics (optional — requires consent)
We use Google Analytics 4 and Grafana Faro to understand how visitors use PostcodeLens. All analytics data is anonymised.
| Cookie | Purpose | Duration |
|---|---|---|
_ga | Google Analytics — distinguishes users | 2 years |
_ga_* | Google Analytics 4 — session persistence | 2 years |
_gid | Google Analytics — session identifier | 24 hours |
Grafana Faro (performance monitoring) does not set cookies; it uses session-scoped memory only.
Managing your preferences
You can review and change your cookie preferences at any time by clicking the Privacy Settings link in the footer. You can also clear cookies via your browser settings; however, this will reset your consent record and the cookie banner will reappear.
Third-party cookies
PostcodeLens does not allow advertising networks or social media platforms to set cookies. Affiliate link clicks pass a session ID only; no cookies are set on partner sites by PostcodeLens.
More information
See our Privacy Policy for full details of how we process your data. For general information about cookies visit ico.org.uk .