10/10/2026, 10:53:34
Sample brief for demonstration. Sign in to generate and save your own analyses.
AI qualitative take
Four layers: calculated yields from your inputs, sourced official market data (France), explicit projection assumptions, AI qualitative analysis.
Asking €485,000 (~€10,104/m² for 48 m²). Entry €/m² is elevated vs yield for this micro-surface pattern.
Gross yield
5.2%
Price-to-rent
19.2x
Net yield
4.6%
Monthly cashflow
€1,850
Payback
21.8 yrs
Demo sample figures for the UI. Not a live DVF or INSEE extract.
DVF median sale price
€8,863/m²
Transactions (n)
31
DVF median change (available years)
n/a
Gap vs DVF median
+14%
Price at DVF median (calc.)
€425,439
INSEE vacancy
8.1% (INSEE)
Carte des loyers reference
43.80 €/m²/mo · gap 0%
Derived gross yield (DVF sale / ANIL asking rent)
5.9%
Derived price-to-rent (DVF sale / ANIL asking rent)
16.9x
Source: Demo sample. Licence Ouverte / Etalab attribution where applicable.
The height gap is the brand: how far your asking price sits from the DVF median for similar sales.
Well above the sourced median. Pass, or renegotiate toward €425,439 (about €59,561 off).
You pay
€485,000
At DVF median
€425,439
Gap
+14%
Sample confidence
High (n ≥ 20) · n=31
Offer language
Four lines you can send the agent. Sourced DVF gap only. Not a commitment.
Offer on Paris 11e: Voltaire: €425,439 vs ask €485,000
Hello, I reviewed Paris 11e: Voltaire listed at €485,000.
Sourced DVF median for similar sales is about €425,439 (gap +14.0%, n=31).
I can offer €425,439, subject to visit and documents. That is about €59,561 below the ask.
I can send the one-page decision pack. This is not a commitment.
Optimistic ignores vacancy. Base uses INSEE vacancy when available. Pessimistic cuts rent 10%, lifts charges 20%, adds vacancy, and +1 pp on the rate if financed.
INSEE vacancy mapped to months: 1.0 mo/yr
| Optimistic | Base | Pessimistic | |
|---|---|---|---|
| Net yield | 4.6% | 4.6% | 3.9% |
| Net-net | -1.1% | -1.6% | -3.5% |
| Monthly cashflow (levered) | -€461 | -€461 | -€928 |
| After 30% illustrative tax (30%) | €1,295 | €1,176 | €785 |
| Vacancy used | 0.0 mo/yr | 1.0 mo/yr | 3.0 mo/yr |
The 30% line is a labeled haircut on unlevered net after vacancy. Not tax, IR, or LMNP advice.
Four named shocks, then all at once: rent −10%, rate +2 pp, +6 months vacancy, works +15% on price.
The combined shock turns levered cashflow negative. Reprice or pass.
The brief is a screen, not due diligence. Tick what you still need before an offer.
Documents to request
On the visit
Questions for the agent / notary
Calculated from your inputs (deterministic)
Qualitative AI assessment (not a market measurement)
Qualitative AI assessment (not a market measurement)
Qualitative AI assessment (not a market measurement)
Qualitative AI assessment (not a market measurement)