{
 "code_insee": "77111",
 "nom": "Chessy",
 "departement": "77",
 "annee_reference": 2025,
 "prix_m2_median": 4605,
 "prix_m2_median_appartement": 4786,
 "prix_m2_median_appartement_yoy_pct": 0.9,
 "prix_m2_median_maison": 4386,
 "prix_m2_median_maison_yoy_pct": -3.8,
 "prix_vente_median": 308550,
 "ventes_annee_reference": 103,
 "ventes_5_ans": 487,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 4539,
   "apt_n": 90,
   "maison": 4466,
   "maison_n": 23
  },
  {
   "annee": 2022,
   "apt": 4593,
   "apt_n": 95,
   "maison": 4484,
   "maison_n": 26
  },
  {
   "annee": 2023,
   "apt": 4716,
   "apt_n": 78,
   "maison": 4475,
   "maison_n": 14
  },
  {
   "annee": 2024,
   "apt": 4741,
   "apt_n": 45,
   "maison": 4560,
   "maison_n": 13
  },
  {
   "annee": 2025,
   "apt": 4786,
   "apt_n": 76,
   "maison": 4386,
   "maison_n": 27
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 6111,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 4886,
    "n": 48
   },
   {
    "band": "60-90 m²",
    "median": 4582,
    "n": 63
   },
   {
    "band": "90-120 m²",
    "median": 3617,
    "n": 7
   },
   {
    "band": "120 m² et +",
    "median": 5415,
    "n": 2
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 13400,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 4732,
    "n": 3
   },
   {
    "band": "60-90 m²",
    "median": 4527,
    "n": 14
   },
   {
    "band": "90-120 m²",
    "median": 4528,
    "n": 9
   },
   {
    "band": "120 m² et +",
    "median": 3854,
    "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/77111-chessy"
}