What is DVF data (Demandes de valeurs foncières)?
The Demandes de valeurs foncières (DVF, requests for land values) is a public database from the DGFiP listing property sales made in France over roughly the past five years. It shows the price, floor area, address and nature of each property, drawn from notarial deeds and the land registry. Access is free and open.
The origin and content of DVF data
DVF data is produced by the French Public Finances Directorate (DGFiP) from information taken from sale deeds recorded in the property register and matched with cadastral data. It covers transfers for value, that is, mainly sales, across almost all of the territory (except Bas-Rhin, Haut-Rhin and Moselle, which come under the land book system, and Mayotte).
For each transaction, the database generally shows the sale date, the price, the property type (house, flat, land, business premises), the built area and the plot area, as well as the location (municipality, cadastral section, and address for part of the data). The data is published as open data and updated twice a year.
How to consult DVF data
Several access points exist, all free.
- The official site data.gouv.fr, which hosts the raw files of the DVF database published by the DGFiP.
- The cartographic explorer app.dvf.etalab.gouv.fr, developed by Etalab, which lets you view sales on a map, municipality by municipality.
- The "Rechercher des transactions immobilières" application (formerly Patrim), accessible by logging into your personal account on impots.gouv.fr, particularly suited to tax needs (inheritance declaration, real estate wealth tax IFI, checking a valuation).
How to read and interpret DVF data properly
DVF data is valuable raw material, but it requires caution in interpretation. A raw price says nothing about the property's condition, its floor level, its aspect or any renovation work: two flats of the same size in the same building may show very different prices for these reasons.
Some transfers group several lots in a single deed (for example a flat sold with a parking space and a cellar): the displayed price is then a total, and the price per square metre calculated mechanically can be misleading. Atypical sales must also be set aside (sales between relatives, splits of ownership rights, particular situations) as they do not reflect the open market. Cleaning the data and selecting genuine comparables is therefore indispensable.
Frequently asked questions
Is DVF data free?
Yes, entirely. The DVF database is published as open data by the DGFiP and can be consulted freely on data.gouv.fr, via Etalab's explorer, or from your personal account on impots.gouv.fr, with no fee or subscription.
What period does DVF data cover?
The DVF database covers sales over roughly the past five years and is updated twice a year. The most recent transactions only appear after a delay linked to the registration of deeds, so there can be a lag of a few months.
Does DVF data cover all of France?
It covers almost the entire territory, but not the departments of Bas-Rhin, Haut-Rhin and Moselle (land book system), nor Mayotte, which come under specific land-publicity regimes and are not integrated into the database.
Why might a DVF price seem inconsistent?
Often because the sale groups several lots in a single deed (flat + parking space + cellar) with a total price, or because it is an atypical sale. The price per square metre calculated mechanically is then distorted and must be set aside.
Read next
- DGFiP - Base Demandes de valeurs foncières (DVF), publiée sur data.gouv.fr
- Etalab / DINUM - Explorateur DVF, app.dvf.etalab.gouv.fr
- impots.gouv.fr - Rechercher des transactions immobilières (accès depuis l'espace particulier)
- Article L.112 A du Livre des procédures fiscales - diffusion en open data des données de valeurs foncières
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