{
 "code_insee": "71073",
 "nom": "Chagny",
 "departement": "71",
 "annee_reference": 2025,
 "prix_m2_median": 1685,
 "prix_m2_median_appartement": 1333,
 "prix_m2_median_appartement_yoy_pct": -12.2,
 "prix_m2_median_maison": 1938,
 "prix_m2_median_maison_yoy_pct": 9.9,
 "prix_vente_median": 133000,
 "ventes_annee_reference": 62,
 "ventes_5_ans": 267,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 64,
  "prix_m2_median": 1627,
  "prix_m2_median_appartement": 1344,
  "prix_m2_median_appartement_yoy_pct": -8.9,
  "prix_m2_median_maison": 1953,
  "prix_m2_median_maison_yoy_pct": 11
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1288,
   "apt_n": 10,
   "maison": 1722,
   "maison_n": 21
  },
  {
   "annee": 2022,
   "apt": 1495,
   "apt_n": 6,
   "maison": 1943,
   "maison_n": 40
  },
  {
   "annee": 2023,
   "apt": 1545,
   "apt_n": 13,
   "maison": 1790,
   "maison_n": 40
  },
  {
   "annee": 2024,
   "apt": 1519,
   "apt_n": 18,
   "maison": 1763,
   "maison_n": 30
  },
  {
   "annee": 2025,
   "apt": 1333,
   "apt_n": 23,
   "maison": 1938,
   "maison_n": 39
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 1258,
    "n": 2
   },
   {
    "band": "30-60 m²",
    "median": 1491,
    "n": 19
   },
   {
    "band": "60-90 m²",
    "median": 1519,
    "n": 14
   },
   {
    "band": "90-120 m²",
    "median": 983,
    "n": 4
   },
   {
    "band": "120 m² et +",
    "median": 1071,
    "n": 2
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 1506,
    "n": 7
   },
   {
    "band": "60-90 m²",
    "median": 1768,
    "n": 29
   },
   {
    "band": "90-120 m²",
    "median": 1944,
    "n": 18
   },
   {
    "band": "120 m² et +",
    "median": 1830,
    "n": 15
   }
  ]
 },
 "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/71073-chagny"
}