Hemp leafHempcreteHub

Privacy Policy

How HempcreteHub collects, uses, and protects your data.

Last updated: July 10, 2026

Who we are

HempcreteHub (hempcretehub.org). For any privacy-related queries, contact us at meinspain27@gmail.com.

What data we collect

Carbon Tracker submissions (via Google Form)

  • Name, email address, organisation, country, submitter type
  • Project details: project name, type, build method, completion year, wall area, wall thickness
  • This data is used to calculate CO2 sequestration and display aggregate community statistics

Contact form submissions (if/when built)

  • Name, email address, message content

We do not collect payment information, and we do not use tracking cookies at this time.

How we use your data

  • To calculate and display carbon sequestration statistics (aggregated/anonymised on the public site — no names or emails are ever displayed publicly)
  • To respond to enquiries submitted via contact forms
  • With your consent, to send occasional email updates about HempcreteHub via our email platform (Brevo) — you can unsubscribe at any time via the link in any email

Who we share it with

Your data is processed by the following third-party services, each acting as a data processor on our behalf:

  • Google (Forms, Sheets, Apps Script) — collecting and storing form submissions
  • Make (make.com) — automating data transfer between our systems
  • Brevo — email communications and contact management

We do not sell your data to any third party.

Data retention

We retain carbon tracker submission data indefinitely for the purpose of maintaining historical community statistics, unless you request deletion.

Your rights

Under GDPR, you have the right to:

  • Access the personal data we hold about you
  • Request correction of inaccurate data
  • Request deletion of your data
  • Withdraw consent for marketing communications at any time
  • Lodge a complaint with your local data protection authority

To exercise any of these rights, contact us at meinspain27@gmail.com.

Cookies and analytics

HempcreteHub does not currently use tracking cookies. If we add privacy-focused analytics in future (such as Plausible, which does not use cookies or collect personal data), this policy will be updated accordingly.

Changes to this policy

We may update this policy from time to time. Material changes will be reflected in the "Last updated" date above.