Privacy
Simple version: we collect what we need, we don't sell it, and you can delete it any time.
What we collect
- Your postcode and address (used to model your roof; not shared)
- Your assessment answers (about your home, electricity use, motivations)
- Your email address — only if you provide it (for Solar Shadow updates or feedback)
- Aerial imagery of your home (Google's satellite layer, cached for 6 months to save on API costs)
- Technical data (browser, device — standard web analytics)
How we use it
- To produce your personalised solar and battery assessment
- To power the Solar Shadow weekly simulation (if you opt in)
- To email your assessment to you (if you ask)
- To improve the tool based on aggregate patterns
- To notify you about new features (only if you opt in)
What we don't do
- We never sell your personal data
- We never pass your details to installers without your explicit consent
- We never use your data for advertising
- We never contact you unless you've asked us to
Anonymised insights
We may use anonymised, aggregated data to publish patterns (e.g. "62% of detached homes assessed in Bristol are strong fits for solar"). No individual is ever identifiable in these.
Where your data lives
- Supabase, hosted in the EU
- Anthropic Claude API processes your data when generating narratives and answering coach questions. Anthropic does not retain it.
Your rights
- You can request a copy of all data we hold about you
- You can request deletion of all your data
- You can withdraw any consent at any time
- Contact: mat@greenbutnotheard.com
Cookies
We use essential cookies only. No tracking pixels. No third-party advertising cookies.
Last updated: May 2026.