1. Who we are
WhatToCharge.co.uk ("we", "our", "the site") is an independent website providing free calculators for UK self-employed tradespeople. The site is operated from the United Kingdom.
2. What data we collect
We collect minimal personal data. Specifically:
- Calculator inputs: All calculator inputs are processed locally in your browser. We do not send your financial data to our servers — your numbers never leave your device.
- Analytics data: We use Google Analytics 4 to collect anonymised usage data including pages visited, time on site, device type, and approximate location (country/region level). This data does not identify you personally.
- Cookies: We use cookies for analytics (Google Analytics) and, where applicable, advertising (Google AdSense / Ezoic). See Section 5 for details.
3. How we use data
- To understand how visitors use the site and improve it
- To measure advertising performance
- We do not sell personal data to any third party
- We do not use data for automated decision-making or profiling
4. Affiliate links
This site contains affiliate links to third-party services including trade insurance providers and accountancy software. When you click an affiliate link and make a purchase or enquiry, we may receive a commission. This is disclosed clearly on relevant pages and in the footer.
Clicking an affiliate link may set a tracking cookie on your device. The third-party companies have their own privacy policies which we recommend you review.
5. Cookies
We use the following types of cookies:
- Analytics cookies (Google Analytics 4): These help us understand how visitors use the site. Data is anonymised and aggregated. You can opt out via your browser settings or at tools.google.com/dlpage/gaoptout.
- Advertising cookies: If display ads are shown (via Google AdSense or Ezoic), these services may set cookies to serve relevant ads. You can manage these preferences at youronlinechoices.eu.
- Affiliate tracking cookies: Set by third-party affiliate networks when you click a partner link. These allow the partner to attribute any resulting purchase to this site.
By continuing to use this site, you consent to our use of cookies as described above. You can withdraw consent at any time by adjusting your browser settings.
6. Third-party services
We use the following third-party services which may process data:
- Google Analytics 4 — analytics. Privacy policy: policies.google.com/privacy
- Cloudflare — CDN and hosting. Privacy policy: cloudflare.com/privacypolicy
- Netlify — hosting. Privacy policy: netlify.com/privacy
7. Your rights under UK GDPR
Under UK GDPR, you have the right to:
- Access the personal data we hold about you
- Request correction of inaccurate data
- Request deletion of your data
- Object to processing of your data
- Withdraw consent at any time
As we collect only anonymised analytics data and do not require account registration, there is typically no personally identifiable data for us to provide, correct, or delete. If you have concerns, please contact us via the details below.
8. Data retention
Analytics data is retained for 14 months within Google Analytics before being automatically deleted. We do not store any calculator input data.
9. Children
This site is intended for adults. We do not knowingly collect data from anyone under the age of 16.
10. Changes to this policy
We may update this policy from time to time. Changes will be noted with an updated date at the top of this page. Continued use of the site after changes constitutes acceptance of the updated policy.
11. Disclaimer
The calculators on this website are for informational purposes only and should not be considered financial or tax advice. Tax rates are based on 2025/26 HMRC figures. Consult a qualified accountant for advice specific to your situation. While every effort is made to ensure accuracy, we accept no liability for errors or omissions in the calculations provided.