Cookie notice
This website puts small files (known as ‘cookies’) onto your computer to collect information about how you browse the site. Find out more about the cookies used, what they’re for and when they expire.
Cookies that measure website use
The following Google Analytics or Google Analytics 4 cookies are used to collect information about how you use this website:
| Name | Purpose | Expires |
| _ga | These help us count how many people visit GOV.UK and other government digital services by tracking if you’ve visited before | 2 years |
| _gid | These help us count how many people visit GOV.UK and other government digital services by tracking if you’ve visited before | 24 hours |
| _gat | Used to manage the rate at which page view requests are made | 10 minutes |
Google Analytics Opt-out Browser Add-on.
You may see a banner when you visit this website inviting you to accept cookies, reject cookies or review your settings. We’ll set cookies so that your computer knows you’ve seen it and not to show it again, and also to store your settings.
Essential cookies
| Name | Purpose | Expires |
| cookies-marketing-option | Saves a message to let us know that you’ve seen our message | 1 month |
| cookies-analytics-option | Saves a message to let us know that you’ve seen our message | 1 month |
YouTube videos
We use YouTube to provide videos on this site. YouTube sets cookies when you visit this page.
| Name | Purpose | Expires |
| _use_hitbox | This is a randomly generated number that identifies your browser | When you close your browser |
| VISITOR_INFO1_LIVE | Lets YouTube count the views of embedded YouTube videos | 9 months |
Changes to this notice
This notice may be changed from time to time. In that case, the ‘last updated’ date at the bottom of this page will also change. Any changes to this privacy notice will apply to you and your data immediately.
Last updated 27 November 2023.