Reuse open data while preserving its context
Select a dataset, examine its licence, period and coverage, document transformations and provide useful attribution.
Read the practical method →Référentiel National des Bâtiments
Open register assigning a unique persistent identifier to buildings, with a map, exports, APIs and vector tiles.
Use this resource for a specific task.
Data and artificial intelligence · France · outre-mer
Open the original resourceWhen it helps
Assess building identifiers for matching territorial sources.
How to start
The reference identifies buildings and supports matching between sources. Inspect its tools and services, then verify how your record relates to the building and its identifier.
Limits to keep in mind
Addresses, buildings and parcels are different objects. Avoid joining solely by address text when an identifier or explicit relationship exists.
Check before using
Three points to record with the decision.
- 01
Definition of a building in the reference.
- 02
Identifiers, geometry and object changes.
- 03
Relationships among buildings, addresses and parcels.
A method and complementary resources.
Base Adresse Nationale
Official French address register available through national or departmental files, map feeds and geocoding services.
Explore this resource →Cadastre ouvert
Search, download and integrate open cadastral plans covering parcels, sections, buildings and map features.
Explore this resource →Source and verification
Référentiel National des Bâtiments — primary source. Link checked . The checklist is editorial guidance; link availability does not guarantee completeness or suitability.
Read the editorial method · Report a correction with its source