{"id":"835b0d94-cba0-46fa-8314-ba6b3798911d","type":"DATASET","name":"Box","slug":"box","description":"Since May 2019, data “Request of Flow Values” (DVF) is available in open-data. The **DGALN** and **Cerema** propose “DVF+ open-data”, which allows free access to the same data in the form of a geolocated database easily exploitable for the observation of land and real estate markets**. The structuring of the proposed DVF data is based on the **shared data model called “DVF+”**, resulting from the work carried out at the initiative of the **national DVF group** and which has been in existence since 2013. This model, developed to facilitate analysis, provides a table of mutations in which each line corresponds to the information and location of a transaction. Geolocation is based on the various vintages of the computerised cadastral Plan also available in open-data. Each of the variables in the DVF+ model is calculated solely from the raw data of DVF. The calculated variables apply throughout the territory and are subject to a shared methodology. There is no exogenous data at this stage except geolocation data from the PCI Vector. Note that the DVF+ model is also the basis for the creation of the database [DV3F](https://datafoncier.cerema.fr/donnees/donnee-dv3f). [**To learn more about “DVF+ open-data”**](https://datafoncier.cerema.fr/donnees/autres-donnees-foncieres/dvfplus-open-data).","free_access_class":"FREE_NO_AUTH","auth_type":"NONE","homepage_url":null,"docs_url":null,"repo_url":"https://www.data.gouv.fr/api/1/datasets/r/e756e8d1-83f3-490b-a5fb-7649b9463f6d","status":"ACTIVE","verification_state":"STALE","tags":["trade","housing","prices","geospatial","land"],"logo_url":"https://cdn01.boxcdn.net/_assets/img/favicons/apple-touch-icon-57x57-fLlEpj.png","primary_source_url":"https://www.data.gouv.fr/api/1/datasets/r/e756e8d1-83f3-490b-a5fb-7649b9463f6d","extraction_confidence":"0.30","created_at":"2026-06-17T02:12:31.429Z","updated_at":"2026-08-12T02:10:39.643Z","last_verified_at":"2026-08-08T22:48:37.787Z","deprecated_at":null,"ranking_score":59,"last_ranked_at":"2026-08-08T23:28:06.149Z","last_seen_at":null,"last_validated_at":null,"last_uptime_at":"2026-08-07T20:18:08.476Z","search_vector":"'/donnees/autres-donnees-foncieres/dvfplus-open-data).':207B,533B 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Built on the shared DVF+ data model developed since 2013 by the national DVF group, it structures each transaction as a record with location and transaction details, geolocated using successive editions of the computerised cadastral plan (PCI Vector). All variables are calculated solely from raw DVF data using a shared national methodology, with no exogenous data beyond geolocation. It also underlies the related DV3F database, and is useful for observing land and real estate markets across France.","native_lang":"en","access_level":"direct","formats":["CSV","HTML"],"capability_tier":"download","trust_score":46.769230769230774,"access":{"level":"direct","primary":{"kind":"download","label":"Download CSV","method":"GET","url":"https://cerema.app.box.com/v/dvfplus-opendata","format":"CSV","source":"distribution","runnable":true},"actions":[{"kind":"download","label":"Download CSV","method":"GET","url":"https://cerema.app.box.com/v/dvfplus-opendata","format":"CSV","source":"distribution","runnable":true},{"kind":"download","label":"Download HTML","method":"GET","url":"https://datafoncier.cerema.fr/donnees/autres-donnees-foncieres/dvfplus-open-data","format":"HTML","source":"distribution","runnable":true},{"kind":"landing","label":"Open source page","method":"GET","url":"https://www.data.gouv.fr/datasets/dvf-open-data","source":"landing_page","runnable":false},{"kind":"landing","label":"Open source record","method":"GET","url":"https://www.data.gouv.fr/api/1/datasets/r/e756e8d1-83f3-490b-a5fb-7649b9463f6d","source":"primary_source","runnable":false}],"formats":["CSV","HTML"]},"maturity":{"entry_id":"835b0d94-cba0-46fa-8314-ba6b3798911d","granularity":"entry","granularity_label":"One unit = one catalog entry. 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Never compare or combine with the source_family reading.","level":"discovered","level_index":1,"level_label":"Discovered","meaning":"Source and metadata recorded","counts_as_coverage":false,"blocked_by":null,"rungs":[{"level":"discovered","level_index":1,"label":"Discovered","meaning":"Source and metadata recorded","evidence":"membership of the named population the ladder is taken over","counts_as_coverage":false,"met":true,"reached":true,"criterion":"TRUE"},{"level":"verified","level_index":2,"label":"Verified","meaning":"Access tested successfully","evidence":"entries.verification_state = 'VERIFIED'","counts_as_coverage":false,"met":false,"reached":false,"criterion":"entries.verification_state = 'VERIFIED'"},{"level":"profiled","level_index":3,"label":"Profiled","meaning":"Schema, dimensions and licence understood","evidence":"a data profile with at least one field (entry_data_profiles.field_count > 0)","counts_as_coverage":false,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_data_profiles p WHERE p.entry_id = entries.id AND COALESCE(p.field_count, 0) > 0)"},{"level":"executable","level_index":4,"label":"Executable","meaning":"Queries run through Commodity","evidence":"entries.capability_tier = 'live' — today's proxy for \"queryable through us\"","counts_as_coverage":true,"met":false,"reached":false,"criterion":"entries.capability_tier = 'live'"},{"level":"joinable","level_index":5,"label":"Joinable","meaning":"Canonical identifiers and concepts mapped","evidence":"a field link to a canonical identifier whose sampled VALUES match its format","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_field_links efl WHERE efl.entry_id = entries.id AND efl.identifier_id IS NOT NULL AND efl.value_status = 'match')"},{"level":"reproducible","level_index":6,"label":"Reproducible","meaning":"Snapshots and transformation evidence retained","evidence":"at least one retained evidence manifest (migration 078)","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM evidence_manifests em WHERE em.entry_id = entries.id)"},{"level":"guaranteed","level_index":7,"label":"Guaranteed","meaning":"Monitored against an operational reliability target","evidence":"an active reliability target with a named monitor (migration 096)","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_reliability_targets rt WHERE rt.entry_id = entries.id AND rt.is_active = true)"}],"officialness":{"basis":"catalog_inherited","label":"Inherited from the upstream catalog: this item came from a trusted official government catalog, and that provenance — not per-item proof — is the warrant. 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