{
 "code_insee": "02173",
 "nom": "Chauny",
 "departement": "02",
 "annee_reference": 2025,
 "prix_m2_median": 1155,
 "prix_m2_median_appartement": 971,
 "prix_m2_median_appartement_yoy_pct": -55.8,
 "prix_m2_median_maison": 1160,
 "prix_m2_median_maison_yoy_pct": -2.8,
 "prix_vente_median": 90500,
 "ventes_annee_reference": 122,
 "ventes_5_ans": 627,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1179,
   "apt_n": 22,
   "maison": 1217,
   "maison_n": 122
  },
  {
   "annee": 2022,
   "apt": 1218,
   "apt_n": 15,
   "maison": 1264,
   "maison_n": 112
  },
  {
   "annee": 2023,
   "apt": 1525,
   "apt_n": 19,
   "maison": 1111,
   "maison_n": 100
  },
  {
   "annee": 2024,
   "apt": 2196,
   "apt_n": 13,
   "maison": 1194,
   "maison_n": 102
  },
  {
   "annee": 2025,
   "apt": 971,
   "apt_n": 9,
   "maison": 1160,
   "maison_n": 113
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 1527,
    "n": 6
   },
   {
    "band": "60-90 m²",
    "median": 896,
    "n": 10
   },
   {
    "band": "90-120 m²",
    "median": 2135,
    "n": 5
   },
   {
    "band": "120 m² et +",
    "median": 1120,
    "n": 1
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 2167,
    "n": 3
   },
   {
    "band": "30-60 m²",
    "median": 1000,
    "n": 25
   },
   {
    "band": "60-90 m²",
    "median": 1165,
    "n": 117
   },
   {
    "band": "90-120 m²",
    "median": 1277,
    "n": 43
   },
   {
    "band": "120 m² et +",
    "median": 1128,
    "n": 27
   }
  ]
 },
 "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/02173-chauny"
}