Privacy Policy

Rezown is operated by AIAIO Ltd, a company incorporated in England and Wales. You can contact us at henry@aiaio.me.

• Account data: your email address and authentication provider (Google, GitHub, or email/password) when you register.
• Search data: postcodes and search parameters you enter, stored as search history and (if you choose to save them) saved searches.
• Usage data: standard server logs including IP address, browser type, and pages visited.
• Waitlist data: if you register to be notified when Rezown launches, we store the name, email address and (optionally) company name you give us, along with which page you registered from and any campaign parameters in the link you followed. We do not store your IP address against a waitlist registration.

We do not collect payment information, and we do not collect personal data about property owners. All ownership data displayed in the platform relates to companies and corporate entities.

• To provide and improve the Rezown service.
• To allow you to save and re-run searches.
• To maintain the security of the platform.
• To email you once when Rezown launches, if you asked us to. We rely on your consent for this, and you can withdraw it at any time by replying to any message from us or emailing the address below. We will not add you to a newsletter or a marketing sequence on the strength of a waitlist registration.

We do not sell your personal data to third parties. We do not use your data for advertising purposes.

Waitlist emails are delivered through Resend, which processes the message on our behalf. Nobody else receives your details.

Rezown displays data derived from the following publicly available sources, each used under its respective licence:

• VOA Non-Domestic Rating List (Valuation Office Agency / HM Revenue & Customs) — © Crown copyright and database right 2026.
• HM Land Registry Corporate & Commercial Ownership Dataset (CCOD) — contains HM Land Registry data © Crown copyright and database right 2026.
• HM Land Registry Overseas Company Ownership Dataset (OCOD) — contains HM Land Registry data © Crown copyright and database right 2026.
• HM Land Registry Price Paid Data (residential sale comparables) — contains HM Land Registry data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.
• Companies House bulk data and REST API — © Crown copyright, licensed under the Open Government Licence v3.0.
• Planning constraints, statutory exclusions, listed buildings, conservation areas and Article 4 directions (planning.data.gov.uk, MHCLG) — © Crown copyright, licensed under the Open Government Licence v3.0.
• Flood Map for Planning, zones 2 and 3 (Environment Agency) — © Environment Agency copyright and/or database right 2026. Licensed under the Open Government Licence v3.0.
• Building height data used for the Building Safety Regulator (18m) flag is derived from Ordnance Survey data — contains OS data © Crown copyright and database right 2026.
• Postcode geocoding (postcodes.io) — derived from ONS, Royal Mail and Ordnance Survey data © Crown copyright and database right 2026.
• Strategic noise mapping, Round 4 road and rail Lden (Department for Environment, Food & Rural Affairs) — © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.
• Transport access nodes (NaPTAN via planning.data.gov.uk, Department for Transport) and Air Quality Management Areas (Defra) — © Crown copyright, licensed under the Open Government Licence v3.0.
• Historic Landfill Sites — contains Environment Agency information © Environment Agency and/or database right. Contains information © Local Authorities. Licensed under the Environment Agency Conditional Licence.

All property data displayed is indicative and not definitive. Data may be out of date or incomplete. Do not rely on it as legal or professional advice.

We retain your account data for as long as your account is active. Search history is retained for 12 months. Waitlist registrations are deleted within 12 months of launch, or sooner if you ask. You may request deletion of your account and associated data at any time by contacting us.

Under UK GDPR, you have the right to access, correct, or delete personal data we hold about you. You may also object to processing or request data portability. To exercise any of these rights, contact henry@aiaio.me.

We use only technically necessary cookies required to maintain your authentication session. We do not use advertising or analytics cookies.

We may update this policy from time to time. Continued use of Rezown after changes are published constitutes acceptance of the revised policy.