Privacy Policy
Last updated: March 2026
1. Data Controller
This website is operated by Tarquin Barnsby (trading as uPVCWindowCalculator.co.uk), registered with the UK Information Commissioner's Office (ICO) under registration reference ZC136598. We are committed to safeguarding the privacy and personal data of all users.
2. Personal Data Collected
When you request a quotation or use our interactive window calculator, we may collect your name, telephone number, email address, postal code, and property specifications. This data is collected solely to generate accurate window and door replacement cost benchmarks and connect you with certified local FENSA / Certass installers.
3. Lawful Basis for Processing
We process your personal information under the lawful basis of consent (Article 6(1)(a) of UK GDPR) when you request local quotations. Each quotation enquiry generates a cryptographic SHA-256 consent token recording the timestamp and consent scope.
4. Data Sharing & Security
We never sell your data to non-affiliated marketing lists. Your details are forwarded exclusively to vetted, competent person registered installers in your geographic area. We apply industry-standard HTTPS encryption and cryptographic verification across all endpoints.
5. Contact Information
For data access requests or questions regarding data protection, please contact us at quotes@upvcwindowcalculator.co.uk.