Verified: 31 March 2026 02:25 pm CET
Industry: Real Estate Development & Construction (VEFA)
Jurisdiction: France
Primary Regulator: MEDIMMOCONSO (Mediation)
Important Safety Warning: Beware of fake customer service numbers on search engines. Scammers frequently target new home buyers with “spoofed” phone calls or phishing emails pretending to be Bouygues Immobilier or a notary, asking you to wire your final apartment payment to a “new, secure escrow account.” Bouygues staff will never change their bank details at the last minute via a phone call.
Level 1: Customer Support (Espace Client & SAV)
- How to complain: Your first legal step is to establish a paper trail. For issues during construction, or after getting your keys (Service Après-Vente), you must log the defect (réserve) or complaint via your dedicated online “Espace Client Bouygues Immobilier” or email your assigned Responsable Relation Client.
- Availability: The digital portal is available 24/7, with human support generally operating Monday to Friday during standard business hours (CET).
- Timeline: For post-delivery defects, they aim to respond within a few business days. Legally, under the Garantie de parfait achèvement, the builder is required to fix all reported defects within 1 year of the delivery date.
- Source Verification: According to the official Bouygues Immobilier - Garanties et SAV guidelines.
Level 2: Formal Written Complaint & Mise en Demeure
- Who to contact: If the local project team ignores your defect reports, or if you are demanding financial penalties for late delivery (pénalités de retard), you must formally escalate the dispute by sending a registered letter with acknowledgment of receipt (Lettre Recommandée avec Accusé de Réception - LRAR) to the national headquarters.
- Address: Address your formal legal notice to Bouygues Immobilier, Direction de la Relation Client, 3 boulevard Gallieni, 92445 Issy-les-Moulineaux Cedex, France.
- Timeline: Under French real estate law, you generally give the promoter 30 days to respond to a formal notice regarding construction delays or major defects before escalating further.
- Source Verification: Verified directly via the registered corporate entity details published in the Bouygues Immobilier Mentions Légales.
Level 3: Regulatory Authority / ADR (Médiation)
- Real Estate Disputes: For unresolved commercial disputes regarding compensation for late delivery, missing amenities, or contract disagreements, Bouygues Immobilier is affiliated with a dedicated real estate ombudsman. You must file your dispute directly with MEDIMMOCONSO.
- Systemic Fraud Reporting: Do not use SignalConso for complex construction defect disputes; it is not designed for real estate contracts.
- Timeline: You can open a mediation case only after you have received a negative written response from the Issy-les-Moulineaux headquarters, or if the 30-day deadline has passed with no response. You can file online at
medimmoconso.fror mail it to Association MEDIMMOCONSO, 3 avenue Adrien Moisan, 78400 CHATOU. - Source Verification: According to the official dispute resolution clauses published by Bouygues Immobilier.
Level 4: Legal Action
- Pre-Litigation: You must have proof of your written complaints (LRAR to headquarters) and proof that you attempted mediation before a French judge will hear a case. If your dispute involves structural damage or water leaks after the first year, you must also legally trigger your Assurance Dommages-Ouvrage (DO) before suing the builder.
- Filing the Lawsuit (The VEFA Reality): For real estate and off-plan (VEFA) disputes, the financial stakes are almost always over €10,000. This means you cannot use the simplified small claims process. You must bring your case before the full Judicial Court (Tribunal Judiciaire), which requires hiring a lawyer (avocat). In construction disputes, the judge will almost always order a costly, independent judicial expertise (expertise judiciaire) before ruling.
- Source Verification: According to the Justice.fr - Saisir le tribunal judiciaire official government guide.
Community Action: Is the promoter refusing to pay your late delivery penalties after a 6-month delay on your new apartment, or are you looking for the correct legal templates to draft a Mise en Demeure to Issy-les-Moulineaux? Reply below (do not share your passwords, bank details, or your precise lot number), and our real estate community will point you to the right resources!