C‑DRONE
Drone flying close to a building facade for inspection

🏢 FACADE INSPECTION · NANTERRE (92) · €300–1,200 PER JOB

Drone facade inspection in Nanterre

Drone facade inspection documents a building's condition over its full height without a lift platform, rope-access technicians or road closures. Cracks, concrete spalling, loose elements, rebar corrosion, render detachment, tired expansion joints, water ingress: the high-resolution sensor, combined with zoom, records millimetre-scale defects tens of metres up. It is the ideal tool for pre-renovation surveys and the statutory monitoring of high-rise buildings.

The standard deliverable is a report organised by elevation (north, south, east, west) with defects mapped onto rectified photos, supplemented if needed by a georeferenced facade orthophoto usable by your engineering office. Property managers, architects, inspection bodies and local authorities use our surveys to prioritise works and secure perimeters where falling material is a risk.

Free quote — facade inspection in Nanterre

Rates

€300–1,200 per job — the range observed on the 2026 French market, including regulatory preparation, flight and delivery. The exact quote depends on the site, the deliverable and the airspace context in Nanterre.

Common use cases

The local context in Nanterre

Nanterre falls within the Paris conurbation's low-altitude no-fly zone: police prefecture authorisation is mandatory for every mission, compounded by the immediate proximity of the La Défense towers — Europe's largest business district, full of sensitive sites — and Mont Valérien, a military site whose overflight is prohibited. Major roads (A14, A86) and the Seine complete the vigilance map.

The market is dense: permanent construction at Les Groues and the university, the RER E (Eole) extension whose surface works are documented by drone, façade inspections of high-rises and of the ocean-liner prefecture building, corporate imagery for headquarters between the Seine and the Grande Arche, and coverage of the Terrasses along La Défense's historic axis.

Applicable regulations

Facades to inspect are almost always in built-up areas: the usual regulatory framework is the specific category (STS-01 scenario, populated-area flight with a class C5 drone) with prior prefectural declaration, the open category over public space (open to professionals since 1 January 2026, no overflight of people, daytime only), or sub-category A1 with a sub-250 g C0 drone for small buildings. The flight is conducted a few metres from the wall, well under the 120 m limit; a ground safety perimeter is marked out when the drone operates above public space, and neighbouring owners' consent is sought when the flight requires crossing their plot. Operator registered on AlphaTango, professional aerial liability insurance and Géoportail drone-map checks are systematic.

Frequently asked questions

Does the drone fully replace an engineering survey?

No: the drone provides the exhaustive, documented visual record; structural interpretation of defects remains the engineer's or architect's job. Our reports are designed to feed directly into their analysis.

Can you inspect a facade on a busy street?

Yes, with a specific-category flight declared to the préfecture and a ground safety perimeter managed by an assistant. We often work early in the morning to minimise disturbance to pedestrians.

How accurate is the photographic survey?

At 5 m from the facade, resolution reaches roughly 1 mm per pixel: microcracks, joint defects and early corrosion are clearly identifiable and measurable on the images.

Can this service be flown anywhere in Nanterre?

Almost: Zone interdite basse altitude de l'agglomération parisienne; Mont Valérien (emprise militaire, survol prohibé); Quartier d'affaires de La Défense (sites sensibles). Depending on the exact location, the pilot picks the right framework (open or specific category) and files the required declarations — included in the quote.

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