{
 "code_insee": "69049",
 "nom": "Chasselay",
 "departement": "69",
 "annee_reference": 2025,
 "prix_m2_median": 4030,
 "prix_m2_median_appartement": 3809,
 "prix_m2_median_appartement_yoy_pct": 4.6,
 "prix_m2_median_maison": 4303,
 "prix_m2_median_maison_yoy_pct": 5.7,
 "prix_vente_median": 446050,
 "ventes_annee_reference": 33,
 "ventes_5_ans": 158,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 29,
  "prix_m2_median": 3996,
  "prix_m2_median_appartement": 3587,
  "prix_m2_median_appartement_yoy_pct": null,
  "prix_m2_median_maison": 4570,
  "prix_m2_median_maison_yoy_pct": 13
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 3969,
   "apt_n": 2,
   "maison": 4405,
   "maison_n": 19
  },
  {
   "annee": 2022,
   "apt": 3792,
   "apt_n": 13,
   "maison": 5112,
   "maison_n": 18
  },
  {
   "annee": 2023,
   "apt": 3219,
   "apt_n": 13,
   "maison": 4337,
   "maison_n": 19
  },
  {
   "annee": 2024,
   "apt": 3642,
   "apt_n": 16,
   "maison": 4070,
   "maison_n": 15
  },
  {
   "annee": 2025,
   "apt": 3809,
   "apt_n": 11,
   "maison": 4303,
   "maison_n": 22
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 3768,
    "n": 4
   },
   {
    "band": "60-90 m²",
    "median": 3421,
    "n": 15
   },
   {
    "band": "90-120 m²",
    "median": 4282,
    "n": 6
   },
   {
    "band": "120 m² et +",
    "median": 3209,
    "n": 2
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 3850,
    "n": 1
   },
   {
    "band": "60-90 m²",
    "median": 4289,
    "n": 6
   },
   {
    "band": "90-120 m²",
    "median": 4680,
    "n": 17
   },
   {
    "band": "120 m² et +",
    "median": 4030,
    "n": 13
   }
  ]
 },
 "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/69049-chasselay"
}