Legal
Cookie policy
Last updated: 4 October 2026
We use only what is needed to run the site, plus optional analytics and advertising cookies that load only after you opt in. Until you choose, Google and Microsoft scripts are not loaded at all.
Essential (always on)
| Name | Provider | Purpose | Duration |
|---|---|---|---|
nvv-consent-v1 (local storage) | This site | Remembers your cookie choice | 12 months |
nvv-attr, nvv-landing (session storage) | This site | Remembers the campaign and landing page for this tab, so we can tell which campaigns bring enquiries. Sent only if you submit the form. | Until the tab closes |
__cf_bm | Cloudflare | Bot and spam protection | 30 minutes |
cf_clearance | Cloudflare | Remembers that a security check was passed | Up to 1 year |
nvv-lead-fired (session storage) | This site | Stops the thank-you page counting one enquiry twice | Until the tab closes |
Analytics (optional)
| Name | Provider | Purpose | Duration |
|---|---|---|---|
_ga, _ga_* | Google Analytics 4 | Counts visits and how pages are used | Up to 2 years |
_clck, _clsk, CLID | Microsoft Clarity | Anonymised heatmaps and session insights | Up to 1 year |
Advertising (optional)
| Name | Provider | Purpose | Duration |
|---|---|---|---|
_gcl_au, _gcl_aw | Google Ads | Measures whether an ad led to an enquiry | 90 days |
Your choice
You can change or withdraw your choice at any time using (also in the footer). You can also block or delete cookies in your browser settings.
More detail on how we handle personal data is in our privacy notice.