{
 "code_insee": "49307",
 "nom": "Loire-Authion",
 "departement": "49",
 "annee_reference": 2025,
 "prix_m2_median": 2445,
 "prix_m2_median_appartement": 1937,
 "prix_m2_median_appartement_yoy_pct": -0.2,
 "prix_m2_median_maison": 2464,
 "prix_m2_median_maison_yoy_pct": 7.1,
 "prix_vente_median": 251450,
 "ventes_annee_reference": 126,
 "ventes_5_ans": 599,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": null,
   "apt_n": 0,
   "maison": 2159,
   "maison_n": 149
  },
  {
   "annee": 2022,
   "apt": 4071,
   "apt_n": 2,
   "maison": 2446,
   "maison_n": 129
  },
  {
   "annee": 2023,
   "apt": 2255,
   "apt_n": 3,
   "maison": 2451,
   "maison_n": 98
  },
  {
   "annee": 2024,
   "apt": 1941,
   "apt_n": 2,
   "maison": 2301,
   "maison_n": 90
  },
  {
   "annee": 2025,
   "apt": 1937,
   "apt_n": 2,
   "maison": 2464,
   "maison_n": 124
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 1979,
    "n": 1
   },
   {
    "band": "60-90 m²",
    "median": 1803,
    "n": 1
   },
   {
    "band": "90-120 m²",
    "median": 1987,
    "n": 2
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 2273,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 2426,
    "n": 12
   },
   {
    "band": "60-90 m²",
    "median": 2558,
    "n": 43
   },
   {
    "band": "90-120 m²",
    "median": 2447,
    "n": 93
   },
   {
    "band": "120 m² et +",
    "median": 2133,
    "n": 65
   }
  ]
 },
 "est_hub_arrondissements": false,
 "arrondissements": null,
 "source": {
  "dataset": "Demandes de valeurs foncières (DVF), DGFiP",
  "url": "https://www.data.gouv.fr/fr/datasets/demandes-de-valeurs-foncieres/",
  "licence": "Licence Ouverte 2.0",
  "methodologie": "https://foncierdata.fr/methodologie"
 },
 "page": "https://foncierdata.fr/prix-immobilier/49307-loire-authion"
}