{
 "titre": "Baromètre des autorisations d'urbanisme — données",
 "source": "Base ouverte Sitadel (SDES / ministère de la Transition écologique), liste des autorisations créant des logements",
 "genere_le": "2026-08-01",
 "lignes_lues": 1905937,
 "methodologie": {
  "instruction": "Délai réel dépôt→autorisation ; uniquement les dossiers dont la date complète de dépôt est diffusée (~19 % — DR_DEPOT est tronquée au 1er janvier pour le reste), autorisations 2025-01-01 → 2026-06-30, bornes 1-730 j.",
  "autorisation_vers_chantier": "DATE_REELLE_DOC − DATE_REELLE_AUTORISATION, autorisations 2024-01-01 → 2026-06-30, bornes 0-1500 j.",
  "duree_travaux": "DATE_REELLE_DAACT − DATE_REELLE_DOC, tous chantiers achevés de la base (2017→2026), bornes 1-3000 j.",
  "limites": "Dossiers autorisés uniquement (les refus ne sont pas diffusés) ; logements uniquement ; croisements publiés à partir de 50 dossiers."
 },
 "national": {
  "instruction": {
   "PC": {
    "n": 13591,
    "mediane_jours": 54,
    "p25_jours": 37,
    "p75_jours": 74,
    "p90_jours": 97
   },
   "DP": {
    "n": 2582,
    "mediane_jours": 31,
    "p25_jours": 21,
    "p75_jours": 50,
    "p90_jours": 71
   }
  },
  "autorisation_vers_chantier": {
   "n": 99003,
   "mediane_jours": 109,
   "p25_jours": 64,
   "p75_jours": 173,
   "p90_jours": 274
  },
  "duree_travaux": {
   "n": 711677,
   "mediane_jours": 360,
   "p25_jours": 268,
   "p75_jours": 515,
   "p90_jours": 808
  }
 },
 "departements": {
  "01": {
   "libelle": "Ain",
   "instruction": {
    "PC": {
     "n": 212,
     "mediane_jours": 52,
     "p25_jours": 36,
     "p75_jours": 71,
     "p90_jours": 87
    }
   },
   "autorisation_vers_chantier": {
    "n": 1097,
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    "p25_jours": 84,
    "p75_jours": 183,
    "p90_jours": 273
   },
   "duree_travaux": {
    "n": 9040,
    "mediane_jours": 333,
    "p25_jours": 243,
    "p75_jours": 480,
    "p90_jours": 774
   }
  },
  "02": {
   "libelle": "Aisne",
   "autorisation_vers_chantier": {
    "n": 260,
    "mediane_jours": 102,
    "p25_jours": 52,
    "p75_jours": 187,
    "p90_jours": 298
   },
   "duree_travaux": {
    "n": 2740,
    "mediane_jours": 328,
    "p25_jours": 232,
    "p75_jours": 459,
    "p90_jours": 679
   }
  },
  "03": {
   "libelle": "Allier",
   "instruction": {
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     "n": 63,
     "mediane_jours": 31,
     "p25_jours": 20,
     "p75_jours": 53,
     "p90_jours": 74
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   },
   "autorisation_vers_chantier": {
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    "p25_jours": 60,
    "p75_jours": 183,
    "p90_jours": 280
   },
   "duree_travaux": {
    "n": 3163,
    "mediane_jours": 352,
    "p25_jours": 271,
    "p75_jours": 474,
    "p90_jours": 739
   }
  },
  "04": {
   "libelle": "Alpes-de-Haute-Provence",
   "instruction": {
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     "mediane_jours": 59,
     "p25_jours": 43,
     "p75_jours": 79,
     "p90_jours": 102
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   },
   "autorisation_vers_chantier": {
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   "duree_travaux": {
    "n": 1511,
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    "p25_jours": 252,
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    "p90_jours": 976
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  },
  "05": {
   "libelle": "Hautes-Alpes",
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     "mediane_jours": 68,
     "p25_jours": 52,
     "p75_jours": 88,
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   },
   "autorisation_vers_chantier": {
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   "duree_travaux": {
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  },
  "06": {
   "libelle": "Alpes-Maritimes",
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    "p25_jours": 90,
    "p75_jours": 241,
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   "duree_travaux": {
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  },
  "07": {
   "libelle": "Ardèche",
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     "p25_jours": 32,
     "p75_jours": 69,
     "p90_jours": 96
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   },
   "autorisation_vers_chantier": {
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   "duree_travaux": {
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    "p25_jours": 266,
    "p75_jours": 532,
    "p90_jours": 809
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  },
  "08": {
   "libelle": "Ardennes",
   "autorisation_vers_chantier": {
    "n": 200,
    "mediane_jours": 90,
    "p25_jours": 49,
    "p75_jours": 152,
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   "duree_travaux": {
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  },
  "09": {
   "libelle": "Ariège",
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    "p25_jours": 41,
    "p75_jours": 167,
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   "duree_travaux": {
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    "mediane_jours": 400,
    "p25_jours": 276,
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    "p90_jours": 1008
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  },
  "10": {
   "libelle": "Aube",
   "instruction": {
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     "n": 60,
     "mediane_jours": 57,
     "p25_jours": 39,
     "p75_jours": 84,
     "p90_jours": 105
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   },
   "autorisation_vers_chantier": {
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   "duree_travaux": {
    "n": 2256,
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    "p25_jours": 273,
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  },
  "11": {
   "libelle": "Aude",
   "instruction": {
    "PC": {
     "n": 141,
     "mediane_jours": 53,
     "p25_jours": 41,
     "p75_jours": 75,
     "p90_jours": 98
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   },
   "autorisation_vers_chantier": {
    "n": 931,
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    "p90_jours": 250
   },
   "duree_travaux": {
    "n": 4692,
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    "p25_jours": 241,
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    "p90_jours": 807
   }
  },
  "12": {
   "libelle": "Aveyron",
   "instruction": {
    "PC": {
     "n": 90,
     "mediane_jours": 57,
     "p25_jours": 50,
     "p75_jours": 83,
     "p90_jours": 105
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   },
   "autorisation_vers_chantier": {
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   },
   "duree_travaux": {
    "n": 3796,
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    "p90_jours": 798
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  },
  "13": {
   "libelle": "Bouches-du-Rhône",
   "instruction": {
    "PC": {
     "n": 229,
     "mediane_jours": 65,
     "p25_jours": 49,
     "p75_jours": 89,
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    "DP": {
     "n": 58,
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     "p25_jours": 30,
     "p75_jours": 76,
     "p90_jours": 99
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   },
   "autorisation_vers_chantier": {
    "n": 1713,
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    "p75_jours": 200,
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   "duree_travaux": {
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    "p25_jours": 261,
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    "p90_jours": 970
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  },
  "14": {
   "libelle": "Calvados",
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     "p25_jours": 40,
     "p75_jours": 69,
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   "autorisation_vers_chantier": {
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   "duree_travaux": {
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    "p90_jours": 831
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  "15": {
   "libelle": "Cantal",
   "autorisation_vers_chantier": {
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   "duree_travaux": {
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  "16": {
   "libelle": "Charente",
   "instruction": {
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     "mediane_jours": 53,
     "p25_jours": 36,
     "p75_jours": 68,
     "p90_jours": 82
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   "autorisation_vers_chantier": {
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   "duree_travaux": {
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    "p90_jours": 640
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  "17": {
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   "instruction": {
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     "p25_jours": 37,
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   "autorisation_vers_chantier": {
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   "duree_travaux": {
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  "18": {
   "libelle": "Cher",
   "autorisation_vers_chantier": {
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    "p25_jours": 56,
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   "duree_travaux": {
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    "p90_jours": 633
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  "19": {
   "libelle": "Corrèze",
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   "duree_travaux": {
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   "libelle": "Côte-d'Or",
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   "autorisation_vers_chantier": {
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   "duree_travaux": {
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     "p25_jours": 38,
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   "autorisation_vers_chantier": {
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   "duree_travaux": {
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  "24": {
   "libelle": "Dordogne",
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   "autorisation_vers_chantier": {
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   "duree_travaux": {
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  "25": {
   "libelle": "Doubs",
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   "autorisation_vers_chantier": {
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   "libelle": "Drôme",
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   "libelle": "Eure-et-Loir",
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   "libelle": "Finistère",
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   },
   "autorisation_vers_chantier": {
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   "libelle": "Gers",
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   "duree_travaux": {
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  "33": {
   "libelle": "Gironde",
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    "DP": {
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