Inventory of Breton Architectural HeritageInventaire du patrimoine architectural breton

Inventaire du patrimoine architectural bretonInventory of Breton Architectural Heritage

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This dataset provides point and polygon-centroid records of buildings and movable objects studied by the Brittany Heritage Inventory Service (Service de l'Inventaire du Patrimoine) since 1997. It also includes some digitized files from earlier surveys. Records follow the standardized methodology used for heritage inventories in France, describing architectural and cultural heritage items across the Brittany region. The dataset is published via the Bretagne open data portal and is useful for research, heritage conservation, and cultural mapping of the region's built and movable patrimony.Le corpus, restitué sous forme d'entités points et centroïdes de polygones, réunit les édifices et objets mobiliers étudiés par le Service de l'Inventaire du Patrimoine depuis 1997. Il contient également quelques dossiers numérisés issus d'études antérieures. Les dossiers ont été créés selon la m...

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Data schema (49 fields)

Filterable via the API (47)

gml_idreferencecadre_etudeaffixe_cadre_etudedate_enquetedate_bordereaunature_dossiertype_dossierphaseauteur_dossiertitre_courantdenominationpartie_constituante_non_etudieaire_etudecommunemilieu_implantationadressedatation_principaledatation_secondairedatation_mindatation_maxstatutlien_dossierlien_imagedomainedate_publicationidgeoreferenceidsearch_idtype_geomlien_vignettecommentaire_descriptifselectionlieuditmateriaux_mursauteur_professiondatesmateriaux_toittypologietexte_libreliens_web_titreliens_web_hrefprotectiondate_protectiondestinationprecision_representationcode_insee

Click a field to see example values.

Fill	Field	Type	Description
—	geo_point_2dGeo Point	geo_point_2d	Geographic point coordinates (latitude and longitude) of the record.Geographic point coordinates (latitude and longitude) of the record.
—	geo_shapeShape	geo_shape	Geometric shape (polygon or point) representing the site's footprint.Geometric shape (polygon or point) representing the site's footprint.
—	gml_idGml id	text	Unique GML identifier for the geometric feature.Unique GML identifier for the geometric feature.
—	reference	text	Official inventory reference number of the record.Official inventory reference number of the record.
—	cadre_etudeCadre etude	text	Type of study framework under which the survey was conducted.Type of study framework under which the survey was conducted.
—	affixe_cadre_etudeAffixe cadre etude	text	Additional qualifier or suffix for the study framework.Additional qualifier or suffix for the study framework.
—	date_enqueteDate enquete	text	Year the field survey was carried out.Year the field survey was carried out.
—	date_bordereauDate bordereau	text	Date of the record's inventory form.Date of the record's inventory form.
—	nature_dossierNature dossier	text	Nature of the record, such as sub-dossier or main dossier.Nature of the record, such as sub-dossier or main dossier.
—	type_dossierType dossier	text	Type of dossier, e.g. architectural work or mobile object.Type of dossier, e.g. architectural work or mobile object.
95%	phase	text	Study phase of the record, such as surveyed or studied.Study phase of the record, such as surveyed or studied.
99.7%	auteur_dossierAuteur dossier	text	Name of the person who authored the inventory record.Name of the person who authored the inventory record.
100%	titre_courantTitre courant	text	Current title assigned to the record.Current title assigned to the record.
98.8%	denomination	text	Type or category name of the building or object.Type or category name of the building or object.
47.4%	partie_constituante_non_etudiePartie constituante non etudie	text	Constituent parts of the building not studied in detail.Constituent parts of the building not studied in detail.
95%	aire_etudeAire etude	text	Study area or region within which the survey took place.Study area or region within which the survey took place.
99.6%	communeCommune	text	Name of the municipality where the site is located.Name of the municipality where the site is located.
91.4%	milieu_implantationMilieu implantation	text	Type of setting in which the building is located, e.g. urban or rural.Type of setting in which the building is located, e.g. urban or rural.
41.1%	adresse	text	Street address of the site or building.Street address of the site or building.
98.7%	datation_principaleDatation principale	text	Main dating period assigned to the building or object.Main dating period assigned to the building or object.
13.4%	datation_secondaireDatation secondaire	text	Secondary dating period attributed to the building or object.Secondary dating period attributed to the building or object.
98.6%	datation_minDatation min	int	Earliest year of the estimated construction period.Earliest year of the estimated construction period.
98.6%	datation_maxDatation max	int	Latest year of the estimated construction period.Latest year of the estimated construction period.
89.9%	statut	text	Legal ownership status of the site, e.g. private property.Legal ownership status of the site, e.g. private property.
100%	lien_dossierLien dossier	text	URL link to the full inventory dossier.URL link to the full inventory dossier.
97.4%	lien_imageLien image	text	URL link to an image of the site or object.URL link to an image of the site or object.
98.8%	domaine	text	Heritage domain category, such as domestic architecture.Heritage domain category, such as domestic architecture.
0%	date_publicationDate publication	datetime	Date the record was published online.Date the record was published online.
100%	id	text	Unique internal identifier of the record.Unique internal identifier of the record.
100%	georeferenceid	text	Identifier linking the record to its georeferenced geometry.Identifier linking the record to its georeferenced geometry.
100%	search_idSearch id	text	Identifier used for search indexing of the record.Identifier used for search indexing of the record.
100%	type_geomType geom	text	Type of geometry used to represent the record, e.g. polygon.Type of geometry used to represent the record, e.g. polygon.
97.4%	lien_vignetteLien vignette	text	URL link to a thumbnail image of the site or object.URL link to a thumbnail image of the site or object.
49.4%	commentaire_descriptifCommentaire descriptif	text	Descriptive comment about the building or object.Descriptive comment about the building or object.
49.9%	selection	text	Selection status of the record within the inventory process.Selection status of the record within the inventory process.
64.7%	lieudit	text	Name of the locality or place-name where the site is situated.Name of the locality or place-name where the site is situated.
82.8%	materiaux_mursMateriaux murs	text	Materials used for the walls of the building.Materials used for the walls of the building.
10.8%	auteur_professionAuteur profession	text	Profession of the person who created the building or object.Profession of the person who created the building or object.
22.8%	dates	text	Date or year associated with the building or object.Date or year associated with the building or object.
75.4%	materiaux_toitMateriaux toit	text	Materials used for the roof of the building.Materials used for the roof of the building.
23.8%	typologie	text	Typological classification of the building or object.Typological classification of the building or object.
9.6%	texte_libreTexte libre	text	Free-text notes or comments about the record.Free-text notes or comments about the record.
4.5%	liens_web_titreLiens web titre	text	Title of an external web link related to the record.Title of an external web link related to the record.
4.5%	liens_web_hrefLiens web href	text	URL of an external web link related to the record.URL of an external web link related to the record.
2.4%	protection	text	Legal heritage protection status of the site, if any.Legal heritage protection status of the site, if any.
2.4%	date_protectionDate protection	text	Date on which heritage protection was granted.Date on which heritage protection was granted.
9%	destination	text	Current or intended use of the building.Current or intended use of the building.
3%	precision_representationPrecision representation	text	Precision level of the geometric representation.Precision level of the geometric representation.
0%	code_inseeINSEE commune code	text	INSEE code identifying the municipality.INSEE code identifying the municipality.

Schema captured from opendatasoft 3 days ago.

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Sample data (5 records)

Record 1id: 2dd673a0-4934-454e-a7bf-0edb3e9a4e59 · dates: —

{
  "id": "2dd673a0-4934-454e-a7bf-0edb3e9a4e59",
  "dates": null,
  "phase": "recensé",
  "gml_id": "etude_patrimoine_architecture.fid-6219b7f5_1a14d0b8c43_7adf",
  "statut": "propriété privée",
  "adresse": null,
  "commune": "Vieux-Vy-sur-Couesnon",
  "domaine": "ARCHITECTURE DOMESTIQUE",
  "lieudit": "Petit Bourguel",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "GeometryCollection",
      "geometries": [
        {
          "type": "Polygon",
          "coordinates": [
            [
              [
                -1.50355752632776,
                48.35452460879897
              ],
              [
                -1.503648336635774,
                48.35452164867091
              ],
              [
                -1.503672370905784,
                48.354611780644476
              ],
              [
                -1.503556836471812,
                48.35461095507848
              ],
              [
                -1.50355752632776,
                48.35452460879897
              ]
            ]
          ]
        }
      ]
    },
    "properties": {}
  },
  "reference": "IA35036140",
  "search_id": "etude_patrimoine_architecture.IA35036140",
  "selection": "repéré",
  "type_geom": "polygone",
  "typologie": null,
  "aire_etude": "Ille-et-Vilaine",
  "code_insee": null,
  "lien_image": "https://patrimoine.bzh/gertrude-diffusion/img/32372cf7-0a88-4367-b364-a268ebe2beb7",
  "protection": null,
  "cadre_etude": "inventaire préliminaire",
  "destination": null,
  "texte_libre": null,
  "datation_max": 1599,
  "datation_min": 1500,
  "date_enquete": "2005",
  "denomination": "maison",
  "geo_point_2d": {
    "lat": -5.983555691553572,
    "lon": -1.363107199661707
  },
  "lien_dossier": "https://patrimoine.bzh/gertrude-diffusion/dossier/2dd673a0-4934-454e-a7bf-0edb3e9a4e59",
  "type_dossier": "OeuvreArchitecture",
  "lien_vignette": "https://patrimoine.bzh/gertrude-diffusion/img/c236c625-9a93-4099-b1fb-1f78f9d9add8",
  "titre_courant": "Maison, le Petit Bourguel (Vieux-Vy-sur-Couesnon)",
  "auteur_dossier": "Dalibard Sabrina ; Ménard Stéphanie",
  "date_bordereau": "2005",
  "georeferenceid": "99d7eff3-1e5a-40dd-ae20-09b6bc29dd14",
  "liens_web_href": null,
  "materiaux_murs": "granite ; moellon ; pierre de taille",
  "materiaux_toit": "ardoise",
  "nature_dossier": "sous-dossier",
  "date_protection": null,
  "liens_web_titre": null,
  "date_publication": null,
  "auteur_profession": null,
  "affixe_cadre_etude": "Vieux-Vy-sur-Couesnon",
  "datation_principale": "16e siècle",
  "datation_secondaire": "1ère moitié 20e siècle",
  "milieu_implantation": "en écart",
  "commentaire_descriptif": "Ce bâtiment est élevé en moellon et couvert d'ardoise. La porte et la porte haute percée dans le comble à surcroît possèdent des linteaux en ciment ; toutefois, la fenêtre du rez-de-chaussée est dotée d'un linteau décoré d'une accolade. Il existe par ailleurs une cheminée ancienne sur le pignon ouest.",
  "precision_representation": null,
  "partie_constituante_non_etudie": null
}

Record 2id: c8cb0d94-3f0f-4490-a8f6-785922670a48 · dates: —

{
  "id": "c8cb0d94-3f0f-4490-a8f6-785922670a48",
  "dates": null,
  "phase": "étudié",
  "gml_id": "etude_patrimoine_architecture.fid-6219b7f5_1a14d0b8c43_7822",
  "statut": "propriété privée",
  "adresse": null,
  "commune": "Baud",
  "domaine": "ARCHITECTURE AGRICOLE",
  "lieudit": "Kermarec ;  près de",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "GeometryCollection",
      "geometries": [
        {
          "type": "Polygon",
          "coordinates": [
            [
              [
                -3.018896775938881,
                47.88575337388187
              ],
              [
                -3.018722354302469,
                47.885652220255274
              ],
              [
                -3.018709355698689,
                47.88557295241795
              ],
              [
                -3.019029668775882,
                47.885556085839355
              ],
              [
                -3.018896775938881,
                47.88575337388187
              ]
            ]
          ]
        }
      ]
    },
    "properties": {}
  },
  "reference": "IA56008258",
  "search_id": "etude_patrimoine_architecture.IA56008258",
  "selection": null,
  "type_geom": "polygone",
  "typologie": "logis double",
  "aire_etude": "Baud",
  "code_insee": null,
  "lien_image": "https://patrimoine.bzh/gertrude-diffusion/img/7a914431-eaf1-416d-aedb-56158bf5ca1a",
  "protection": null,
  "cadre_etude": "inventaire topographique",
  "destination": null,
  "texte_libre": null,
  "datation_max": 1849,
  "datation_min": 1800,
  "date_enquete": "2002",
  "denomination": "ferme",
  "geo_point_2d": {
    "lat": -5.983559133811951,
    "lon": -1.3631164641228812
  },
  "lien_dossier": "https://patrimoine.bzh/gertrude-diffusion/dossier/c8cb0d94-3f0f-4490-a8f6-785922670a48",
  "type_dossier": "OeuvreArchitecture",
  "lien_vignette": "https://patrimoine.bzh/gertrude-diffusion/img/06fb0bb9-1d23-4829-aa87-e7c1e1102ab3",
  "titre_courant": "Ferme, près de Kermarec (Baud)",
  "auteur_dossier": "Tanguy-Schröer Judith ; Toscer Catherine",
  "date_bordereau": "2005",
  "georeferenceid": "775baae4-271e-45f6-94ff-120ca95804a2",
  "liens_web_href": null,
  "materiaux_murs": "granite ; moellon",
  "materiaux_toit": "tôle ondulée",
  "nature_dossier": "dossier individuel",
  "date_protection": null,
  "liens_web_titre": null,
  "date_publication": null,
  "auteur_profession": null,
  "affixe_cadre_etude": "Baud",
  "datation_principale": "1ère moitié 19e siècle",
  "datation_secondaire": null,
  "milieu_implantation": "en écart",
  "commentaire_descriptif": null,
  "precision_representation": null,
  "partie_constituante_non_etudie": null
}

Record 3id: 49c480b1-5ee4-4fd1-b6a4-9113b7fa1a4b · dates: —

{
  "id": "49c480b1-5ee4-4fd1-b6a4-9113b7fa1a4b",
  "dates": null,
  "phase": "recensé",
  "gml_id": "etude_patrimoine_architecture.fid-6219b7f5_1a14d0b8c43_7c5b",
  "statut": "propriété privée",
  "adresse": null,
  "commune": "Betton",
  "domaine": "ARCHITECTURE AGRICOLE",
  "lieudit": "Roullefort",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "GeometryCollection",
      "geometries": [
        {
          "type": "Polygon",
          "coordinates": [
            [
              [
                -1.653662312642594,
                48.15932455940976
              ],
              [
                -1.65128434783581,
                48.15938467145707
              ],
              [
                -1.651186107781289,
                48.158497842481125
              ],
              [
                -1.653375189925289,
                48.157988668639874
              ],
              [
                -1.653662312642594,
                48.15932455940976
              ]
            ]
          ]
        }
      ]
    },
    "properties": {}
  },
  "reference": "IA35014380",
  "search_id": "etude_patrimoine_architecture.IA35014380",
  "selection": "repéré",
  "type_geom": "polygone",
  "typologie": null,
  "aire_etude": "Ille-et-Vilaine",
  "code_insee": null,
  "lien_image": "https://patrimoine.bzh/gertrude-diffusion/img/96c6e2bf-b80d-45d9-b69f-0db62e96c576",
  "protection": null,
  "cadre_etude": "inventaire préliminaire",
  "destination": null,
  "texte_libre": null,
  "datation_max": 1899,
  "datation_min": 1800,
  "date_enquete": "2001",
  "denomination": "ferme",
  "geo_point_2d": {
    "lat": -5.9835569624627665,
    "lon": -1.363108058134975
  },
  "lien_dossier": "https://patrimoine.bzh/gertrude-diffusion/dossier/49c480b1-5ee4-4fd1-b6a4-9113b7fa1a4b",
  "type_dossier": "OeuvreArchitecture",
  "lien_vignette": "https://patrimoine.bzh/gertrude-diffusion/img/fbdafa88-171c-44b3-aea8-7e863f6f18d1",
  "titre_courant": "Ferme, actuellement haras, Roullefort (Betton)",
  "auteur_dossier": "Quillivic Claude",
  "date_bordereau": "2000",
  "georeferenceid": "ee7b82f4-8beb-47e9-81ed-37eae03d887a",
  "liens_web_href": null,
  "materiaux_murs": "terre",
  "materiaux_toit": "ardoise",
  "nature_dossier": "dossier individuel",
  "date_protection": null,
  "liens_web_titre": null,
  "date_publication": null,
  "auteur_profession": null,
  "affixe_cadre_etude": "Betton",
  "datation_principale": "19e siècle",
  "datation_secondaire": null,
  "milieu_implantation": "isolé",
  "commentaire_descriptif": null,
  "precision_representation": null,
  "partie_constituante_non_etudie": "grange"
}

Record 4id: 2cfbcca2-feab-4d3f-aca3-8069fda2559a · dates: —

{
  "id": "2cfbcca2-feab-4d3f-aca3-8069fda2559a",
  "dates": null,
  "phase": "recensé",
  "gml_id": "etude_patrimoine_architecture.fid-6219b7f5_1a14d0bacc0_-6191",
  "statut": "propriété privée",
  "adresse": "4 rue des Petits Prés",
  "commune": "Saint-Jacut-de-la-Mer",
  "domaine": "ARCHITECTURE DOMESTIQUE",
  "lieudit": "Bourg",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "GeometryCollection",
      "geometries": [
        {
          "type": "Polygon",
          "coordinates": [
            [
              [
                -2.189643068199894,
                48.59599987834132
              ],
              [
                -2.189691160214013,
                48.59605341467617
              ],
              [
                -2.18952341423296,
                48.59604758200647
              ],
              [
                -2.189643068199894,
                48.59599987834132
              ]
            ]
          ]
        }
      ]
    },
    "properties": {}
  },
  "reference": "IA22010354",
  "search_id": "etude_patrimoine_architecture.IA22010354",
  "selection": null,
  "type_geom": "polygone",
  "typologie": "type ternaire",
  "aire_etude": "Communes littorales des Côtes-d'Armor",
  "code_insee": null,
  "lien_image": "https://patrimoine.bzh/gertrude-diffusion/img/ca2e220c-1cf9-45f1-8f76-306e9f032f2a",
  "protection": null,
  "cadre_etude": "inventaire préliminaire",
  "destination": null,
  "texte_libre": null,
  "datation_max": 1899,
  "datation_min": 1875,
  "date_enquete": "2007",
  "denomination": "maison",
  "geo_point_2d": {
    "lat": -5.983554423989189,
    "lon": -1.3631115498731523
  },
  "lien_dossier": "https://patrimoine.bzh/gertrude-diffusion/dossier/2cfbcca2-feab-4d3f-aca3-8069fda2559a",
  "type_dossier": "OeuvreArchitecture",
  "lien_vignette": "https://patrimoine.bzh/gertrude-diffusion/img/d64cfbf4-a867-4eb3-b495-27e5dcc7c5bc",
  "titre_courant": "Maison dite Ker Marguerite, 4 rue des Petits Prés (Saint-Jacut-de-la-Mer)",
  "auteur_dossier": "Pichouron Patrick",
  "date_bordereau": "2007",
  "georeferenceid": "40d9d481-1dee-4ae5-b3cc-76e510f213f7",
  "liens_web_href": null,
  "materiaux_murs": "granite ; moellon sans chaîne en pierre de taille ; pierre de taille",
  "materiaux_toit": "ardoise",
  "nature_dossier": "sous-dossier",
  "date_protection": null,
  "liens_web_titre": null,
  "date_publication": null,
  "auteur_profession": null,
  "affixe_cadre_etude": "Saint-Jacut-de-la-Mer",
  "datation_principale": "4e quart 19e siècle",
  "datation_secondaire": null,
  "milieu_implantation": "en ville",
  "commentaire_descriptif": "Maison mitoyenne de type ternaire construite en moellons de granite. Elle est composée d'un rez-de-chaussée, d'un étage carré et d'un étage en surcroît. Eléments de décor : lucarnes à linteau cintré.",
  "precision_representation": null,
  "partie_constituante_non_etudie": "mur de clôture"
}

Record 5id: a01bf9d1-9df7-4855-accf-241d9e73c5a5 · dates: —

{
  "id": "a01bf9d1-9df7-4855-accf-241d9e73c5a5",
  "dates": null,
  "phase": "recensé",
  "gml_id": "etude_patrimoine_architecture.fid-6219b7f5_1a14d0bacc0_-4875",
  "statut": "propriété privée",
  "adresse": "12 rue Robert Surcouf",
  "commune": "Cancale",
  "domaine": "ARCHITECTURE DOMESTIQUE",
  "lieudit": null,
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "GeometryCollection",
      "geometries": [
        {
          "type": "Polygon",
          "coordinates": [
            [
              [
                -1.848758222256083,
                48.67560989100935
              ],
              [
                -1.848795483583637,
                48.67562257339748
              ],
              [
                -1.84884265080274,
                48.67555915486641
              ],
              [
                -1.848731927645267,
                48.67552079237001
              ],
              [
                -1.848758222256083,
                48.67560989100935
              ]
            ]
          ]
        }
      ]
    },
    "properties": {}
  },
  "reference": "IA35003577",
  "search_id": "etude_patrimoine_architecture.IA35003577",
  "selection": "sélection possible",
  "type_geom": "polygone",
  "typologie": null,
  "aire_etude": "Ille-et-Vilaine",
  "code_insee": null,
  "lien_image": "https://patrimoine.bzh/gertrude-diffusion/img/2e095172-7efc-4d34-adfc-acf7440aae5f",
  "protection": null,
  "cadre_etude": "inventaire préliminaire",
  "destination": null,
  "texte_libre": null,
  "datation_max": 1924,
  "datation_min": 1900,
  "date_enquete": "1999",
  "denomination": "maison",
  "geo_point_2d": {
    "lat": -5.98355381134777,
    "lon": -1.3631094570731344
  },
  "lien_dossier": "https://patrimoine.bzh/gertrude-diffusion/dossier/a01bf9d1-9df7-4855-accf-241d9e73c5a5",
  "type_dossier": "OeuvreArchitecture",
  "lien_vignette": "https://patrimoine.bzh/gertrude-diffusion/img/3234e401-1855-4f93-869d-566b4bd199b7",
  "titre_courant": "Maison de villégiature dite Roch Gaô, 12 rue Robert Surcouf (Cancale)",
  "auteur_dossier": "Orain Véronique ; Pichot Malo",
  "date_bordereau": "1999",
  "georeferenceid": "d381eeaf-f00a-498a-8f58-e2fde482c540",
  "liens_web_href": null,
  "materiaux_murs": "granite ; moellon ; pan de bois ; appareil mixte",
  "materiaux_toit": "ardoise",
  "nature_dossier": "sous-dossier",
  "date_protection": null,
  "liens_web_titre": null,
  "date_publication": null,
  "auteur_profession": "Laloy Jean-Marie(architecte)",
  "affixe_cadre_etude": "Cancale",
  "datation_principale": "1er quart 20e siècle",
  "datation_secondaire": null,
  "milieu_implantation": "en ville",
  "commentaire_descriptif": null,
  "precision_representation": null,
  "partie_constituante_non_etudie": "cour"
}

Live sample captured at profiling time — values may have changed upstream.

Verification Status

Using the API

Configuration

Base URL: https://data.bretagne.bzh/api/explore/v2.1/catalog/datasets/inventaire-du-patrimoine-architectural-breton

License

Licence Ouverte 2.0 (France / Etalab)Open

✓ Redistributable
✓ Attribution required

Query examples

curl -s 'https://data.bretagne.bzh/api/explore/v2.1/catalog/datasets/inventaire-du-patrimoine-architectural-breton/records?limit=20' -H 'Accept: application/json'

First 20 records of the dataset as JSON.

Uses the Opendatasoft Explore v2.1 syntax — supports select, where, group_by and order_by.

Full API documentation ↗

Rate limits

5 000 req/day

per ipmeasured

observed 3 days ago

Dataset

Volume & freshness

Records

87k

86746

Last upstream update

5 days ago

2026-10-18

License

No license declared upstream.

○ Documentation○ Data dictionary○ Versioning

Source: opendatasoft

Machine-readable & source

JSON

Embed this badge in a README or wiki — it always shows the latest verification state and quality tier.