{
 "code_insee": "51108",
 "nom": "Chalons en Champagne",
 "departement": "51",
 "annee_reference": 2025,
 "prix_m2_median": 1543,
 "prix_m2_median_appartement": 1393,
 "prix_m2_median_appartement_yoy_pct": -1.3,
 "prix_m2_median_maison": 1771,
 "prix_m2_median_maison_yoy_pct": 2.4,
 "prix_vente_median": 110925,
 "ventes_annee_reference": 466,
 "ventes_5_ans": 2518,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1331,
   "apt_n": 374,
   "maison": 1711,
   "maison_n": 242
  },
  {
   "annee": 2022,
   "apt": 1419,
   "apt_n": 340,
   "maison": 1844,
   "maison_n": 214
  },
  {
   "annee": 2023,
   "apt": 1410,
   "apt_n": 273,
   "maison": 1736,
   "maison_n": 187
  },
  {
   "annee": 2024,
   "apt": 1412,
   "apt_n": 246,
   "maison": 1729,
   "maison_n": 176
  },
  {
   "annee": 2025,
   "apt": 1393,
   "apt_n": 276,
   "maison": 1771,
   "maison_n": 190
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 1786,
    "n": 47
   },
   {
    "band": "30-60 m²",
    "median": 1511,
    "n": 173
   },
   {
    "band": "60-90 m²",
    "median": 1284,
    "n": 211
   },
   {
    "band": "90-120 m²",
    "median": 1368,
    "n": 77
   },
   {
    "band": "120 m² et +",
    "median": 1269,
    "n": 14
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 2347,
    "n": 18
   },
   {
    "band": "60-90 m²",
    "median": 1831,
    "n": 155
   },
   {
    "band": "90-120 m²",
    "median": 1739,
    "n": 118
   },
   {
    "band": "120 m² et +",
    "median": 1481,
    "n": 75
   }
  ]
 },
 "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/51108-chalons-en-champagne"
}