What is the number of existing- apartment and house sales in each French department?

Data about residential and other property sales are available at https://app.dvf.etalab.gouv.fr/.
Cerema also provides data (DVF and DV3F databases) : https://datafoncier.cerema.fr/.

Else, the number of sales of existing dwellings is not known exactly. It has to be estimated.
It is not possible for now to provide a reliable estimate for every French department.
Nevertheless, it is possible to estimate for each department the number of property sales subject to the regular transaction tax : see § 1.4. of the main page.
These sales include the sales of existing property (excluding for-resale purchases) : apartments and houses 1, but also whole buildings constituted of several residential apartments, parking space and garages, commercial property, as well as VAT-exempt land.

See the methodological notes (in French) about the estimation of the number of existing dwellings in all of France.

Tunnel de FriggitTo English page : Property Market in France since 1200
FAQsTo English FAQs
tunnel et courbe de Friggitto French home page "Le marché immobilier depuis 1200"
Questions fréquentesTo French FAQs
tunnel et courbe de FriggitAbout the "tunnel" (in English)

Notes et références

1Individual apartments and houses represent around 2/3 of the number, and 80% of the amount, of property sales subject to the regular transaction tax rate, on average on all of France. These proportions vary depending on the department.

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