Know what you're really buying.
Get the fair price, the hidden risks, the room to negotiate and your BienCheck score, all in a few minutes.
Independent · Not an estate agent · Not a listings portal · 100% buyer's side
Sample report
3-room apartment, Lyon 3rd
Estimated negotiation margin
−12 000 € (−3,2 %)

How it works
1. Tell us about the property
Address, asking price, size, EPC, condition. Paste the listing or fill in the short form in a couple of minutes.
2. Get your free first read
A provisional score, three strengths, three things to watch and a price sanity check, free.
3. Unlock the Premium report
Ten in-depth sections, room to negotiate, true 10-year cost of ownership, full PDF.
The BienCheck score, your buying compass
A single 0,100 read combining market price, location, risks, energy, long-term value and resale.
- Standout opportunity90,100
- Sound buy75,89
- Worth a closer look60,74
- Negotiate hard40,59
- Walk away0,39
Six weighted sub-scores for a clear decision.
The Premium report, 10 clear sections
A structured, plain-English file you can hand to your partner, broker or notary without explanation.
See a sample report- 01BienCheck verdict
- 02Price analysis
- 03Room to negotiate
- 04Location deep-dive
- 05Hidden risks
- 06Energy & EPC
- 07True 10-year cost
- 08Long-term value
- 09Future resale
- 10What to ask before you sign
Why BienCheck
Independent
No agency fees. We work for the buyer, full stop.
Rigorous
Transparent scoring, public data sources, no hype.
Plain-spoken
Every red flag comes with a concrete question to ask.
Actionable
A clear offer price and a maximum you shouldn't go above.
No back-of-the-envelope guesses. The State's own databases.
Every Premium report plugs straight into the official French databases. When we find a data point, we cite the source, the update date and the official link, so you can verify it line by line.
Géorisques
French Ministry of Ecological Transition
Flood, clay shrink-swell, seismic, radon, SEVESO/ICPE industrial sites, polluted soils.
Feeds the Risk score and triggers the 'check before you sign' alerts.
DVF
DGFiP, French tax office
Every official property sale, real €/sqm, 24 months around the property.
Anchors the fair-price estimate and the quantified negotiation range.
ADEME
French Agency for Ecological Transition
National EPC database: every official energy diagnosis run in France.
Places the property's EPC inside the real local distribution and prices the works.
BAN + INSEE
IGN · INSEE · La Poste
National Address Base: clean address, GPS coordinates, INSEE town code.
Anchors everything, without the right address, no other source returns the right data.
Honest pricing, no subscription
Pay per report, at your own pace. Your credits never expire.
Premium report
One full analysis
€29
- Full BienCheck score breakdown
- Hard numbers on what to offer
- True 10-year cost of ownership
- Risks & energy, in plain English
- Downloadable PDF
5-report bundle
When you're weighing several properties
€79
- 5 Premium reports
- Side-by-side compare up to 5
- Credits never expire
- Every PDF included
- Priority support
Common questions
Does BienCheck replace an estate agent?+
No. We're a buyer-side decision tool, we add to what your agent, notary or surveyor tells you, we don't replace them.
Does BienCheck replace a notary?+
No. Our analysis is indicative. The legal side stays with your notary.
Can I analyse a listing from a French property portal?+
Yes, paste the link or the listing text. Your data stays private to your account.
Will the report give me an exact price?+
No. We give you a fair-value range and how much room to negotiate. The final number always depends on a viewing and a professional valuation.
How is the score calculated?+
Six weighted sub-scores: price (25%), location (20%), risks (15%), energy (10%), long-term value (15%), resale (15%).
How much does a report cost?+
€29 for a single report, €79 for a bundle of 5. No subscription.
Can I compare several properties?+
Yes, up to 5 in the comparator, with a clear best-overall pick.
Is my data private?+
Yes, only you can see your analyses, GDPR-compliant.
Ready to take a closer look?
Start free, the first read only takes a few minutes.
Analyse a property, free