Privacy Policy
This website is a static site. It does not run accounts, and it does not ask you to sign in. The numbers you type into a calculator are processed in your own browser and are never sent to us — they disappear when you leave the page.
Last updated: 6 November 2026.
Cookies and analytics
This site itself sets no cookies. If advertising or analytics are added later (for example Google AdSense), those services may set their own cookies and collect usage data under their own policies. This page will be updated before any such service is switched on.
Advertising
This site may show third-party advertisements in future. Advertising partners may use cookies to show ads based on your browsing. You can opt out of personalised advertising through your browser settings or the advertising network's opt-out page.
Children
This site is intended for adults planning home improvement work. It does not knowingly collect information from children.
Changes
If this policy changes, the updated version will be posted here with a new date.