Cookies
Last updated: 4 November 2026
This site stores very little in your browser. Analytics stay off unless you say yes.
Cookies we use
A cookie is a small file a website saves in your browser. Sites can also use "browser storage", which works in a similar way. Here, "cookies" means both.
Always on. These don't track you across other sites.
| What | Why | How long |
|---|---|---|
| Your cookie choice | Remembers whether you allowed analytics | 6 months (also kept in your browser's storage until you clear it) |
| Cloudflare security (`__cf_bm`) | Helps block bots and attacks on the site | 30 minutes, only if Cloudflare's bot protection checks your visit |
The balcony check, fit check and letter maker don't store your answers. Close the page and they're gone.
Analytics, only if you allow them. They load after you click "Allow" on the cookie banner.
| Service | Cookies | What it does | How long |
|---|---|---|---|
| Google Analytics 4 | `_ga`, `_ga_M0TBWVHDJE` | Counts visits and shows which pages people use | Up to 2 years |
| Microsoft Clarity | `_clck`, `_clsk`, `CLID`, `MUID`, `ANONCHK`, `MR`, `SM` | Shows how pages are used through heatmaps and session replays (clicks, scrolling and mouse movement) | From the end of your visit up to 1 year |
We've set Clarity to hide anything you type into forms. Google and Microsoft may process this data outside the UK: see our privacy notice. We don't use advertising or social media tracking cookies.
Changing your choice
Click "Cookie settings" at the bottom of any page to change your choice at any time. You can also clear this site's data in your browser settings. Questions? Use our contact form.