{
 "code_insee": "49063",
 "nom": "Chalonnes-sur-Loire",
 "departement": "49",
 "annee_reference": 2025,
 "prix_m2_median": 2301,
 "prix_m2_median_appartement": 2074,
 "prix_m2_median_appartement_yoy_pct": -2.3,
 "prix_m2_median_maison": 2368,
 "prix_m2_median_maison_yoy_pct": 2.7,
 "prix_vente_median": 194500,
 "ventes_annee_reference": 72,
 "ventes_5_ans": 347,
 "fiabilite": "Modérée",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 2130,
   "apt_n": 14,
   "maison": 2177,
   "maison_n": 66
  },
  {
   "annee": 2022,
   "apt": 2301,
   "apt_n": 18,
   "maison": 2258,
   "maison_n": 62
  },
  {
   "annee": 2023,
   "apt": 1935,
   "apt_n": 9,
   "maison": 2500,
   "maison_n": 51
  },
  {
   "annee": 2024,
   "apt": 2122,
   "apt_n": 14,
   "maison": 2306,
   "maison_n": 41
  },
  {
   "annee": 2025,
   "apt": 2074,
   "apt_n": 17,
   "maison": 2368,
   "maison_n": 55
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 2452,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 2057,
    "n": 17
   },
   {
    "band": "60-90 m²",
    "median": 2262,
    "n": 10
   },
   {
    "band": "90-120 m²",
    "median": 1495,
    "n": 3
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 2696,
    "n": 12
   },
   {
    "band": "60-90 m²",
    "median": 2402,
    "n": 31
   },
   {
    "band": "90-120 m²",
    "median": 2344,
    "n": 30
   },
   {
    "band": "120 m² et +",
    "median": 2211,
    "n": 23
   }
  ]
 },
 "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/49063-chalonnes-sur-loire"
}