VEFA on the French Riviera: Delays, Hidden Defects, Construction Faults

On forums, off-plan (VEFA) buyers on the French Riviera keep asking the same questions: delivery delays, construction faults, non-compliant floor areas, cracks. Here are the most common issues, construction faults, and the role of the building expert.

Delivery delays: what can the expert do?

On the French Riviera (Nice, Marseille, Cannes, Antibes), construction site delays are common with off-plan purchases. The building expert steps in to: assess actual site progress, evaluate the technical causes of delay (ground conditions, weather, subcontractor failures), and assist the buyer at handover to check compliance.

Hidden defects and construction faults in VEFA

The most common issues on the French Riviera:

• Cracks caused by clay shrinkage-swelling (very common in the Var and Alpes-Maritimes)
• Waterproofing defects on terraces and roof terraces
• Non-compliant floor areas (Carrez law, habitable surface)
• Water infiltration from poorly fitted windows and doors
• Thermal and acoustic insulation defects
• Non-compliant parking space in a VEFA purchase in Nice: measuring the discrepancy and taking action
• Carrez floor area smaller than the plan in a VEFA purchase in Antibes: what to do?
• Windows non-compliant with the technical specifications in a VEFA purchase in Nice: are actual dimensions smaller than stated?
• Non-compliant ceiling height in Cannes: laser measurement and VEFA plan
• VEFA in Cannes-la-Bocca: delayed delivery, calculate your compensation
• VEFA plan delivered in Nice: 12 cm discrepancy in habitable surface, what to do?
• New apartment in Sophia Antipolis: faulty sound insulation in your VEFA purchase? Our measurements in Antibes
• The developer closed out my VEFA reservations in Nice but the defects are still there
• Apartment delivered as a mirror-reversed layout? Your VEFA plan doesn’t match in Antibes
• Non-compliant parking space in a VEFA purchase in Nice: what to do?
• Windows non-compliant with the technical specifications in a VEFA purchase in Nice: actual dimensions smaller than the plans
• Damp in the basement parking area of a VEFA purchase in west Nice: reservations not resolved, what to do?
• Carrez floor area smaller than the plan in a VEFA purchase: what to do in Antibes?
• Windows non-compliant with the technical specifications in a VEFA purchase in Nice: actual dimensions vs. plan
• Apartment delivered as a mirror-reversed layout in Antibes: remedies and VEFA expert assessment
• Disputing the closeout of VEFA reservations in Nice: uncorrected defects
• Reading a VEFA plan in Nice: spotting non-conformities at handover
• VEFA parking space in Nice: smaller surface, non-compliant space – What to do?
• No handover report for a VEFA purchase in Marseille: consequences and remedies
• Insufficient balcony/terrace slope in a VEFA purchase in Marseille: laser level measurement
• Carrez floor area smaller than the plans in a VEFA purchase in Antibes: joint calculation

Closing out reservations: a key moment

At handover, the expert helps the buyer draft a detailed reservations report (with photos and measurements), tracks the developer’s resolution of those reservations, and estimates the cost of any work that is missing or poorly done.

Court-ordered expert assessment

If the developer fails to respond or disputes the defects, the court-appointed expert can order test borings, waterproofing tests and acoustic measurements. Their report carries weight before the judge.

Questions from the forums

« My developer in Nice is 6 months behind schedule »: penalties apply (1/3000th of the price per day). Have the delay formally recorded by an expert.

« I have cracks 2 years after delivery »: the 10-year structural warranty (decennale) runs for 10 years. An expert determines whether the structural soundness is compromised.

« The Carrez floor area doesn’t match the contract »: if the discrepancy exceeds 5%, you’re entitled to a proportional price reduction. A surveying expert measures it precisely.

Cassini Expertise operates across the Alpes-Maritimes and Var for all VEFA disputes: amicable or court-ordered expert assessment. Contact us for a diagnosis.

Are you a lawyer or party to a court-ordered expert assessment? Cassini Expertise supports you in drafting expert submissions (dires d’expert), attending joint inspection meetings, and making use of the final report. Discover our support service →

Read more

• Apartment delivered as a mirror-reversed layout in Antibes: what to do about the VEFA plan?
• Non-compliant parking space in a VEFA purchase in Nice: measuring the discrepancy and taking action
• Carrez floor area smaller than the plan in a VEFA purchase in Antibes: what to do?
• Windows non-compliant with the technical specifications in a VEFA purchase in Nice: are actual dimensions smaller than stated?
• Non-compliant ceiling height in Cannes: laser measurement and VEFA plan
• VEFA in Cannes-la-Bocca: delayed delivery, calculate your compensation
• VEFA plan delivered in Nice: 12 cm discrepancy in habitable surface, what to do?
• New apartment in Sophia Antipolis: faulty sound insulation in your VEFA purchase? Our measurements in Antibes
• The developer closed out my VEFA reservations in Nice but the defects are still there
• Apartment delivered as a mirror-reversed layout? Your VEFA plan doesn’t match in Antibes
• Non-compliant parking space in a VEFA purchase in Nice: what to do?
• Windows non-compliant with the technical specifications in a VEFA purchase in Nice: actual dimensions smaller than the plans
• Damp in the basement parking area of a VEFA purchase in west Nice: reservations not resolved, what to do?
• Carrez floor area smaller than the plan in a VEFA purchase: what to do in Antibes?
• Windows non-compliant with the technical specifications in a VEFA purchase in Nice: actual dimensions vs. plan
• Apartment delivered as a mirror-reversed layout in Antibes: remedies and VEFA expert assessment
• Disputing the closeout of VEFA reservations in Nice: uncorrected defects
• Reading a VEFA plan in Nice: spotting non-conformities at handover
• VEFA parking space in Nice: smaller surface, non-compliant space – What to do?
• No handover report for a VEFA purchase in Marseille: consequences and remedies
• Insufficient balcony/terrace slope in a VEFA purchase in Marseille: laser level measurement
• Carrez floor area smaller than the plans in a VEFA purchase in Antibes: joint calculation

📅 Updated 08/07/2026 — By Cassini Expertise, independent building expert serving 06 & 83. Free quote: 04 22 46 06 04.

Frequently asked questions

VEFA delivery delay compensation?

In a VEFA purchase, if the property is delivered more than 30 days late, the buyer can claim late-delivery penalties, typically set at 1/3000th of the price per day of delay, barring force majeure. This compensation applies automatically once the deadline is exceeded, without prejudice to a separate damages claim.

Hidden defects in VEFA – recourse against the developer?

Yes, a VEFA buyer benefits from the 10-year structural warranty (decennale) covering damage affecting structural soundness or making the home unfit for its purpose, and from the one-year « perfect completion » warranty for all defects reported at handover. For hidden defects not visible at handover, a claim can be brought within 2 years of discovery, but it’s essential to notify the seller by registered letter.

VEFA construction defects – can I refuse handover?

At handover, you can refuse to sign if major defects are found, but the refusal must be justified and formally notified. In case of disagreement, a court-ordered expert assessment can be requested. It’s advisable to list every defect on the handover report, even if you sign with reservations, in order to preserve your rights.

📅 Mis à jour le 25/09/2026 — Cassini Expertise, expert bâtiment indépendant (06·83·13·40).