Cookie policy
Last updated: 1 September 2026
A cookie is a small file stored by your browser when you visit a website. This site uses as few as possible.
1. Cookies that are strictly necessary
These are set without consent because the site cannot work properly without them.
| Name | Purpose | Duration |
|---|---|---|
| cookie_consent | Stores your choice about non-essential cookies | 6 months |
| session | Keeps the enquiry form working during your visit | End of session |
2. Analytics cookies
These are set only if you press “Accept all”. They count visits and measure which sections are read, in aggregated form. They are never used to identify you personally or to build advertising profiles.
| Name | Purpose | Duration |
|---|---|---|
| _stat_id | Distinguishes one visit from another, anonymously | 13 months |
| _stat_ses | Measures the length of a single visit | 30 minutes |
3. No advertising or tracking cookies
This site sets no advertising, retargeting or social network tracking cookies.
4. Managing your choice
You can accept or decline non-essential cookies from the banner shown on your first visit, and change your mind at any time using the Cookie settings link in the footer. Declining does not limit access to any part of the site.
You can also delete or block cookies in your browser settings (Chrome, Safari, Firefox and Edge all have a privacy section for this). Blocking strictly necessary cookies may stop the enquiry form working.
5. Retention of your consent
Your choice is stored for 6 months. After that you are asked again.