{
 "code_insee": "71310",
 "nom": "Montchanin",
 "departement": "71",
 "annee_reference": 2025,
 "prix_m2_median": 1438,
 "prix_m2_median_appartement": 1407,
 "prix_m2_median_appartement_yoy_pct": 3.9,
 "prix_m2_median_maison": 1454,
 "prix_m2_median_maison_yoy_pct": 2.5,
 "prix_vente_median": 120000,
 "ventes_annee_reference": 44,
 "ventes_5_ans": 175,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 36,
  "prix_m2_median": 1347,
  "prix_m2_median_appartement": null,
  "prix_m2_median_appartement_yoy_pct": null,
  "prix_m2_median_maison": 1182,
  "prix_m2_median_maison_yoy_pct": -18
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 594,
   "apt_n": 1,
   "maison": 1419,
   "maison_n": 17
  },
  {
   "annee": 2022,
   "apt": 1334,
   "apt_n": 5,
   "maison": 1619,
   "maison_n": 33
  },
  {
   "annee": 2023,
   "apt": 1292,
   "apt_n": 5,
   "maison": 1458,
   "maison_n": 27
  },
  {
   "annee": 2024,
   "apt": 1354,
   "apt_n": 3,
   "maison": 1419,
   "maison_n": 28
  },
  {
   "annee": 2025,
   "apt": 1407,
   "apt_n": 6,
   "maison": 1454,
   "maison_n": 38
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 1407,
    "n": 6
   },
   {
    "band": "60-90 m²",
    "median": 1703,
    "n": 2
   },
   {
    "band": "90-120 m²",
    "median": 227,
    "n": 1
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 1085,
    "n": 8
   },
   {
    "band": "60-90 m²",
    "median": 1488,
    "n": 31
   },
   {
    "band": "90-120 m²",
    "median": 1489,
    "n": 19
   },
   {
    "band": "120 m² et +",
    "median": 1328,
    "n": 8
   }
  ]
 },
 "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/71310-montchanin"
}