{
 "code_insee": "01202",
 "nom": "Lagnieu",
 "departement": "01",
 "annee_reference": 2025,
 "prix_m2_median": 2364,
 "prix_m2_median_appartement": 1995,
 "prix_m2_median_appartement_yoy_pct": 3.6,
 "prix_m2_median_maison": 2487,
 "prix_m2_median_maison_yoy_pct": -0.3,
 "prix_vente_median": 210000,
 "ventes_annee_reference": 100,
 "ventes_5_ans": 485,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1682,
   "apt_n": 40,
   "maison": 2609,
   "maison_n": 57
  },
  {
   "annee": 2022,
   "apt": 1892,
   "apt_n": 61,
   "maison": 2662,
   "maison_n": 62
  },
  {
   "annee": 2023,
   "apt": 1921,
   "apt_n": 28,
   "maison": 2585,
   "maison_n": 54
  },
  {
   "annee": 2024,
   "apt": 1925,
   "apt_n": 41,
   "maison": 2495,
   "maison_n": 42
  },
  {
   "annee": 2025,
   "apt": 1995,
   "apt_n": 34,
   "maison": 2487,
   "maison_n": 66
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 4944,
    "n": 3
   },
   {
    "band": "30-60 m²",
    "median": 2273,
    "n": 22
   },
   {
    "band": "60-90 m²",
    "median": 1922,
    "n": 28
   },
   {
    "band": "90-120 m²",
    "median": 1589,
    "n": 17
   },
   {
    "band": "120 m² et +",
    "median": 1538,
    "n": 5
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 3100,
    "n": 1
   },
   {
    "band": "60-90 m²",
    "median": 2616,
    "n": 21
   },
   {
    "band": "90-120 m²",
    "median": 2500,
    "n": 59
   },
   {
    "band": "120 m² et +",
    "median": 1864,
    "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/01202-lagnieu"
}