C‑DRONE
Top-down orthophoto-style view of farmland parcels captured by drone

🗺️ SURVEYING & PHOTOGRAMMETRY · SAINT-ÉTIENNE (42) · €800–3,000 PER DAY

Drone surveying & photogrammetry in Saint-Étienne

Free quote — surveying & photogrammetry in Saint-Étienne

Surveying sloped ground in Saint-Étienne on foot takes days; by drone, a few hours: digital terrain models, volume calculations and cross-sections come from a single photogrammetric flight, with centimetre RTK accuracy. With 171,924 inhabitants, Saint-Étienne generates steady demand in Auvergne-Rhône-Alpes: a pilot covering the area prices your mission within one working day.

Industrial regeneration drives the market: former factory sites to document before redevelopment, the Manufacture-Plaine Achille creative district, the twin Michon slag heaps that have become landscape icons, the Geoffroy-Guichard stadium for sports events, and the Pilat regional nature park at the city gates — mind its raptor protection zones. Saint-Étienne's airspace is shaped by the Saint-Étienne-Loire airport at Andrézieux-Bouthéon, north of the conurbation, whose zone requires coordination for missions in the Forez plain.

What the service covers in Saint-Étienne

Local landmarks in Saint-Étienne

To prepare flights in Saint-Étienne (171,924 inhabitants, Auvergne-Rhône-Alpes), the pilot relies on landmarks such as:

Rates

€800–3,000 per day — the range observed on the 2026 French market, including regulatory preparation, flight and delivery. Pricing reflects the conditions in Saint-Étienne: area, access constraints, any authorisations and the delivery format.

Flying in Saint-Étienne: the local framework

Photogrammetric flight plans in Saint-Étienne are set within the controlled airspace ceilings (Zone de l'aéroport de Saint-Étienne-Loire (Andrézieux-Bouthéon)): ground resolution is guaranteed by adapting height and overlap, with the protocol cleared before the mission.

Photogrammetric surveys fly in the open category over controlled sites, on automated grids below 120 m; urban footprints or sites crossed by third parties move to the specific category with a declaration. Full regulations and rates: surveying & photogrammetry across France →

Information checked against the regulations in force as of August 2026 (EU regulations 2019/945 and 2019/947, applicable French decrees).

Frequently asked questions

Surveying & photogrammetry in Saint-Étienne: what budget should you plan?

Allow €800–3,000 per day — the 2026 French market range, including regulatory preparation, flight and delivery. In Saint-Étienne, coordination with the local airspace is included in the quote and arranged within a few days.

What accuracy can a drone survey achieve in Saint-Étienne?

With GNSS-measured ground control points, the orthophoto and point cloud reach 2–5 cm planimetric accuracy — enough for a preliminary design survey. For legally binding documents we work under a partner chartered surveyor covering Auvergne-Rhône-Alpes.

What accuracy can a drone survey guarantee?

With an RTK drone and ground control points, we guarantee 2 to 5 cm XYZ accuracy, verified against independent checkpoints whose residuals are documented in the processing report.

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