{
 "code_insee": "01109",
 "nom": "Collonges",
 "departement": "01",
 "annee_reference": 2025,
 "prix_m2_median": 4196,
 "prix_m2_median_appartement": 4000,
 "prix_m2_median_appartement_yoy_pct": 2.1,
 "prix_m2_median_maison": 4263,
 "prix_m2_median_maison_yoy_pct": -2,
 "prix_vente_median": 403025,
 "ventes_annee_reference": 42,
 "ventes_5_ans": 220,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 33,
  "prix_m2_median": 4394,
  "prix_m2_median_appartement": 4167,
  "prix_m2_median_appartement_yoy_pct": 9.7,
  "prix_m2_median_maison": 4564,
  "prix_m2_median_maison_yoy_pct": 7.1
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 3525,
   "apt_n": 14,
   "maison": 3695,
   "maison_n": 23
  },
  {
   "annee": 2022,
   "apt": 3851,
   "apt_n": 21,
   "maison": 3980,
   "maison_n": 35
  },
  {
   "annee": 2023,
   "apt": 3741,
   "apt_n": 17,
   "maison": 4079,
   "maison_n": 21
  },
  {
   "annee": 2024,
   "apt": 3917,
   "apt_n": 9,
   "maison": 4351,
   "maison_n": 24
  },
  {
   "annee": 2025,
   "apt": 4000,
   "apt_n": 12,
   "maison": 4263,
   "maison_n": 30
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 4000,
    "n": 9
   },
   {
    "band": "60-90 m²",
    "median": 4167,
    "n": 9
   },
   {
    "band": "90-120 m²",
    "median": 3697,
    "n": 1
   },
   {
    "band": "120 m² et +",
    "median": 1967,
    "n": 2
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 2692,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 4896,
    "n": 1
   },
   {
    "band": "60-90 m²",
    "median": 4936,
    "n": 14
   },
   {
    "band": "90-120 m²",
    "median": 4340,
    "n": 16
   },
   {
    "band": "120 m² et +",
    "median": 3892,
    "n": 22
   }
  ]
 },
 "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/01109-collonges"
}