C-DRONE GUIDE · 22 SEPTEMBER 2026

University campus building audit by drone: roofs, thermography and France's SPSI plan

French public higher-education institutions hold 18.75 million square metres of buildings, spread across 6,300 properties and 138 institutions — the French State's second-largest property portfolio. A 2022 report from France's national audit office (Cour des comptes) put roughly a third of that floor area in fair or poor condition. In response, every institution must produce a five-year real-estate strategy plan (SPSI), which lays out a full building diagnosis before setting thirty-year priorities — disposal, major refurbishment, new construction. That leaves facility departments with a very practical question: how to build that diagnosis, building by building, across a campus that often mixes historic city-centre buildings with 1960s-70s construction spread over several sites, without tying up weeks of staff time on cherry pickers? Here is what a drone survey documents to feed that diagnosis, what it does not replace, and the prices observed in 2026.

Published on 22 September 2026, reviewed on 22 September 2026 — regulations in force as of September 2026.

French university buildings: a measured backlog, ownership transfer and a mandatory strategic plan

French public higher-education institutions hold 18.75 million square metres of usable floor area, spread across roughly 6,300 properties and 138 institutions — the French State's second-largest property portfolio, behind only the Ministry of Defence, close to a fifth of the public sector's entire building stock according to figures the French Senate cites from the Cour des comptes. A Cour des comptes report published in October 2022 draws a stark picture: roughly a third of that floor area sits in fair or poor condition, a backlog that shows up as concrete safety, accessibility and energy-performance failures — leaking roofs, original 1960s-70s window frames, uninsulated facades.

Since France's 2007 LRU university-autonomy act (Article 32), a university can apply to become the owner of the buildings the State makes available to it — an ownership transfer (dévolution) granted in two waves to just seven institutions: Clermont 1, Poitiers and Toulouse 1 in 2011-2012, then Aix-Marseille, Bordeaux, Caen and Tours in 2017. A report from the IGESR, the State's higher-education inspectorate, submitted in April 2024, recommends completing the transfer of the remaining stock by 2034 at the latest. Owners or not, every institution must draw up a multi-year real-estate strategy plan (SPSI), a five-year document that lays out a full building diagnosis — condition, use, energy performance — and sets thirty-year priorities, approved by the institution's board and submitted to its supervising ministry.

What a drone survey documents to feed that diagnosis

Building that diagnosis site by site, across a campus that often mixes historic city-centre buildings with 1960s-70s construction spread over several sites, is a heavy undertaking for a facility department rarely staffed to walk every roof by cherry picker. A drone survey combines two layers in a single pass: an orthophoto or a 3D model built by photogrammetry, which documents geometry, the roof's apparent condition and land use, and infrared thermography, which locates missing insulation, trapped moisture and thermal bridges without anyone climbing onto a roof.

The reliability of this aerial approach for thermal building diagnosis has been specifically tested by a team from the Karlsruhe Institute of Technology's institute for industrial production: Zoe Mayer, Anne Epperlein, Elena Vollmer, Rebekka Volk and Frank Schultmann published a 2023 study in the journal Remote Sensing comparing 968 thermal images — 693 taken on the ground, 275 by drone, some in automatic flight — across several 1950s buildings on the Karlsruhe campus, against five quality criteria, to determine whether drone-based acquisition, despite greater shooting distances, changing angles and in-flight motion, can match the quality of static ground-based thermography (see the study). The study was conducted in Germany, on post-war buildings comparable in age to much of the French university stock built during the post-war boom — a direct match for the question at hand, with its foreign location flagged explicitly. It confirms the method's value for covering a whole building quickly, provided its settings are controlled — exactly what a diagnosis spanning dozens of scattered buildings requires.

The honesty clause: a drone survey does not write the SPSI, file the tertiary-decree return, or negotiate ownership transfer

The honesty clause. However complete, a drone survey does not write the SPSI in the facility department's place: that document commits the institution to a thirty-year strategy — disposal, major refurbishment, new construction, demolition — decided by its board and discussed with its supervising ministry. The aerial data feeds the initial diagnosis; it decides nothing.

If the campus includes tertiary-use buildings over 1,000 m² subject to France's tertiary decree, drone thermography does not replace the annual consumption return filed on the OPERAT platform, which relies on billing data, nor the report signed by a qualified auditor. An asbestos survey before works, a structural assessment of a roof frame or a geotechnical study remain, in the same way, the responsibility of certified surveyors and engineering firms that the aerial survey prepares for, never replaces. And for the 131 institutions that still do not own their own buildings, a photographic record, however precise, carries no weight in an ownership-transfer negotiation with the State: that is settled through a financial and legal case file in which building condition is just one element among others.

Who commissions this service, public-procurement rules and 2026 prices

Demand comes from universities' own facility departments, or from the regional bodies that support them in drawing up their SPSI. A campaign covering one or several campus buildings usually falls under the threshold for a simplified procedure: decree no. 2025-1386 of 29 December 2025 raised, from 1 April 2026, the threshold below which a supplies or services contract can be awarded without prior publicity or competitive tendering, from €40,000 to €60,000 excl. VAT — most drone survey campaigns on a mid-sized campus fall within it, provided the buyer still requests several quotes and does not always use the same provider.

Flights over an urban campus, often in a dense area close to third parties — students, staff, local residents —, fall under the rules covered in our guide on flying a drone in a built-up area. Ranges observed in France in 2026, excluding VAT:

These figures cover the flight, image processing and delivery of a usable map; they do not include drafting the SPSI itself or the regulatory surveys (asbestos, lead, structural), which remain the institution's responsibility and that of its certified providers. Request a quote stating the number of buildings, their roof area and whether a solar register or a tertiary-decree audit can be pooled into the same visit.

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Put it into practice

• Drone roof inspection: rates and cities covered from €200
• Drone aerial thermal imaging: rates and cities covered from €500
• Roof inspection in Laval Pays de la Loire
• Roof inspection in Brive-la-Gaillarde Nouvelle-Aquitaine
• Roof inspection in Sète Occitanie

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