Cookie Policy
This policy explains the cookies and similar technologies this site uses, what they do, and how you can control them.
What are cookies
Cookies are small text files placed on your device when you visit a website. We also use similar technologies such as local storage. We use them to make the site work and, with your consent, to understand how it's used.
Your choice
When you first visit, a banner asks whether you accept optional cookies. Nothing beyond strictly necessary storage is set until you choose "Accept all". If you decline, no analytics cookies are set and the site continues to work normally.
Categories we use
Strictly necessary
Required for core functions such as remembering your cookie choice, keeping forms and any signed-in admin session working, and basic security. These are set without consent, as PECR allows.
Analytics (optional)
We use Google Analytics to understand which pages, guides and calculators are most useful, how people arrive at the site and where they drop off. These cookies are only loaded after you select "Accept all". The data is used in aggregate and is not used to identify you personally.
Managing your preferences
You can withdraw consent at any time by clearing cookies and site data for this site in your browser, then reloading the page so the banner appears again and choosing differently. Most browsers also let you block or delete cookies for individual sites in their settings.
Related policies
How we handle personal data more generally is set out in our Privacy Policy. Questions about cookies can be sent through our contact form.
More information
For background on cookies and your rights, see the ICO guidance at ico.org.uk/for-the-public/online/cookies.