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Legal Notice

Mandatory legal information

Last update : June 18, 2026

In accordance with the provisions of Law No. 2004-575 of June 21, 2004 on confidence in the digital economy (LCEN), here is the legal information relating to the OneDpe site.

Publisher

RIANN (SAS)

Host

Vercel Inc.

Protection

GDPR Compliant

1. Site Publisher

Site name

OneDpe

URL

onedpe.fr

Publisher : RIANN

Legal form : SAS

Share capital : 1 000 €

Headquarters : 200 rue de la Croix-Nivert, 75015 Paris

SIREN : 101 434 009

RCS : Paris 101 434 009

EU VAT number : FR41101434009

Publication director : Steven Annonziata

2. Hosting Provider

Company name

Vercel Inc.

Location

United States

Address : 340 S Lemon Ave #4133, Walnut, CA 91789, USA

https://vercel.com

Database: Supabase Inc. — Data is hosted on secure servers with at-rest disk encryption (AES-256, AWS/GCP) and TLS encryption in transit. Compliance with EU standard contractual clauses.

3. Intellectual Property

All content on the OneDpe site (texts, images, graphics, logo, icons, software, databases, calculation algorithms, etc.) is the exclusive property of the publisher or its partners and is protected by copyright and trademark law.

Any reproduction, representation, modification, publication, transmission, or more generally any unauthorized exploitation of the site or its content, by any means whatsoever, is prohibited and constitutes infringement punishable under articles L.335-2 and following of the French Intellectual Property Code.

Authorized exceptions: Users may share links to public pages of the site and quote short excerpts provided they mention the source.

4. Limitation of Liability

The information contained on this site is provided for indicative purposes and is subject to change. It does not constitute legal, tax or financial advice.

Specific warning about the DPE

  • The reliability checks, 3CL simulations, value-discount estimates and renovation scenarios provided on this site are purely indicative.
  • These analyses do not in any way replace an official DPE issued by a certified assessor, which alone is legally binding.
  • Before any transaction or renovation work, we recommend consulting qualified professionals (certified DPE assessor, energy auditor, notary).
  • The publisher cannot be held responsible for decisions made based on the estimates performed on this site.

5. Personal Data Protection

Information relating to the processing of your personal data is detailed in our Privacy Policy.

6. Applicable Law

These legal notices are governed by French law. In the event of a dispute, and failing amicable resolution, the French courts shall have sole jurisdiction.

Last update : June 18, 2026