
Cracks and movement
Progressive cracking, clay shrink-swell, settlement, drought claims.
Crack survey →Finding the origin of defects before deciding on works
An expert in building defects is a professional who specialises in analysing damage to buildings. They are called in to identify the origin of cracks, water ingress, subsidence or poor workmanship.
Their role is to diagnose the technical causes of defects, whether they relate to materials, design or the way the works were carried out. They also assess how serious the defects are and their consequences for the stability or use of the building, and propose suitable, lasting repair solutions.


Building experts need in-depth knowledge of current building codes and safety standards, as well as of the technologies and materials used in construction.
The expert can also inspect buildings before a purchase or sale to assess potential problems and repair costs.
Our report helps you

Progressive cracking, clay shrink-swell, settlement, drought claims.
Crack survey →
Water coming in through roofs, façades and terraces, rising damp, condensation, suspected leaks.
Damp and water ingress survey →
Investigating the causes of building defects and construction faults, and assistance at the handover of works.

Thermal compliance audits with an infrared camera report.

For areas that cannot be reached, we use a drone flown by our DGAC-licensed expert (French civil aviation authority).

Measuring and calculating the floor areas of shops and homes.
You describe the defects, when they appeared and how they have developed. We review the relevant documents: photographs, plans, invoices for works, previous reports.
We examine the visible and accessible parts of the building and record the defects. A drone and a thermal camera complete the inspection if needed.
We compare our findings with the history of the building and the documents provided, and set out the probable causes.
Findings, analysis, seriousness of the defects, repair recommendations and further investigations where appropriate.
What we offer


Photographic record
Our findings come with a photographic report produced using the Proov-it® process: photographs that are dated, geolocated, secured and certified.
You keep a record of the condition of the building on the day of the inspection, useful for documenting defects and how they develop.
Discover Proov-it →To understand its origin and decide what to do next with full knowledge of the facts.
To carry out a technical review and inform your choices.
To be assisted at handover and when listing reservations (snags).
To establish findings and a reasoned opinion, in mediation or arbitration.
To prepare an application for review by the CDAC.
Tell us about your situation and send us your photographs. Together we will define the survey that fits your needs.