Pre/post works condition survey

The only condition survey fully filmed and archived 10 years in French-speaking Switzerland Swiss flag

Fully recorded with a body-worn camera, signed by an EPFL engineer, archived for 10 years: the evidence that settles any dispute, so you can move forward with your project with complete peace of mind. A survey carried out in accordance with SIA standards.

Presentation video

+15 years

of experience

+200

condition surveys completed

94%

of disputes resolved without going to court

Express

Reports delivered fast

Why do it with us?

Far more than a simple survey: complete, technical, legally valid evidence.

Done by an EPFL engineer

Each survey is carried out and signed by an EPFL civil engineer with more than 15 years of experience, never an assistant. A structured, time-stamped document, legally valid before insurers, experts and courts.

Filmed and archived 10 years

A Swiss exclusive: the entire survey is recorded with a body-worn camera and kept for 10 years. A detail missing from the report? You can find it on the video at any time.

The fastest in Switzerland

An organisation built for speed: your survey report delivered quickly after our site visit, depending on the complexity of the case and our workload. Without ever delaying your project.

Why the condition survey pays off

In Switzerland, your liability as project owner applies even without any fault on your part. Without a pre-works condition survey, it is impossible to prove that a defect already existed: the benefit of the doubt often goes to your site's neighbours, and the bill comes back to you.

Engineers documenting a construction site: drone and photo survey of a crack

How does a condition survey proceed?

Simple, fast, with no surprises:

1
Quote in less than 24h after the first contact (a little longer if a preliminary visit is required).
2
On-site survey by a civil engineer, filmed in full with a body-worn camera.
3
Report delivered quickly after our site visit, depending on the complexity of the case.
4
Video and report archived 10 years on our Infomaniak servers, in Switzerland, accessible at any time.
5
Post-works survey available, to compare before and after.

Our condition survey protects everyone

The survey records the state of the premises before the first shovel hits the ground. In the event of damage, a crack, subsidence or water infiltration, everyone knows immediately what already existed and what is new:

For the project owner: you only pay for damage actually caused by your works. A documented pre-existing crack means a 40'000 CHF facade renovation that will never be wrongly billed to you.
For the site's neighbours: new damage is proven beyond discussion, compensation is fast, with no lawyer or court-ordered expert assessment to pay for upfront.
For everyone: civil proceedings with expert assessments last years and often cost 20'000 to 200'000 CHF in legal and expert fees. A condition survey costing a few thousand francs avoids this in almost every case.
Handshake between an engineer and neighbours in front of a chalet under construction

Pay little, gain a lot

Your satisfaction is our priority, and we are here to find the perfect solution for you

Basic Package

from 990 CHF

Perfect for simple projects, with no access to building interiors

  • Survey video archived 10 years on a secure server in Switzerland
  • Fast intervention: maximum half a day on site
  • Digital and paper report delivered quickly
  • Drone use possible
  • Without organising appointments with tenants

Example: renovation of a chalet with two neighbouring chalets to document

Custom Package

On request

For large projects or complex situations

  • Tailor-made survey adapted to complex or sensitive sites
  • For large-scale projects: entire neighbourhoods, apartment buildings, railway zones, underpasses, etc.
  • Personalised assessment based on the type of neighbouring properties
  • Fast quote and intervention adapted to your deadlines
Construction site in Switzerland

Get a quote

Our experts will get back to you within 24 hours with a solution

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FAQs

What does an ExpertChantier condition survey include?

We carry out a complete, documented condition survey, including:

  • Facades: cracks, detached render, etc.
  • Interiors: walls, ceilings, floors…
  • Common areas: stairwells, corridors, entrance halls
  • Sensitive structures: swimming pools, low walls, balconies, etc.
  • Hard-to-reach areas: inspected using drones

Who is this service for?

Our condition surveys are designed for:

  • Project owners / property developers
  • Construction companies
  • Architects / lead consultants
  • Private individuals with neighbours close to their site
  • Neighbours of a construction site wishing to protect themselves as soon as works are announced

How long does it take to receive a report?

Your report is produced quickly after our site visit: the exact timing depends on the complexity of the case and our workload.

  • Simple survey: feasible within the week.
  • Large project with many neighbouring properties to inspect: allow one to two extra weeks, the time needed to organise the visits.
  • Some delays are beyond our control (responsiveness of property managers, presence of occupants during visits), but as soon as the visit is complete, we start writing the survey report immediately.

Who carries out the surveys?

This is the big difference between ExpertChantier and other experts: our surveys are carried out by our EPFL civil engineers themselves, not by assistants. They have the technical skills required to identify defects and write a legally valid report.

Why film the survey?

Each engineer wears a body-worn camera that records the entire intervention. This provides complete video evidence, kept for 10 years, in the event of a dispute over an element not described in the initial report.

Are your reports legally accepted?

Yes. Our reports are structured, time-stamped, signed and supported by visual evidence. In the event of a dispute, they constitute solid evidence for insurers, courts or experts.

Is a bailiff's report not enough?

A bailiff's report attests to what is visible, without a technical reading. Our engineers qualify each defect (a crack on a neighbour's wall after works, subsidence, water infiltration), document it on video and take responsibility for it. In Switzerland, the project owner's liability towards neighbours applies even without fault: a technical survey before works, for a villa as for a condominium (PPE), remains your best protection. For roads, see also our road condition survey before works.