{
 "code_insee": "95127",
 "nom": "Cergy",
 "departement": "95",
 "annee_reference": 2025,
 "prix_m2_median": 3130,
 "prix_m2_median_appartement": 3172,
 "prix_m2_median_appartement_yoy_pct": -1.1,
 "prix_m2_median_maison": 2989,
 "prix_m2_median_maison_yoy_pct": 1.4,
 "prix_vente_median": 182000,
 "ventes_annee_reference": 546,
 "ventes_5_ans": 3183,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 3198,
   "apt_n": 670,
   "maison": 3076,
   "maison_n": 159
  },
  {
   "annee": 2022,
   "apt": 3308,
   "apt_n": 597,
   "maison": 3279,
   "maison_n": 146
  },
  {
   "annee": 2023,
   "apt": 3305,
   "apt_n": 447,
   "maison": 3055,
   "maison_n": 106
  },
  {
   "annee": 2024,
   "apt": 3208,
   "apt_n": 403,
   "maison": 2947,
   "maison_n": 109
  },
  {
   "annee": 2025,
   "apt": 3172,
   "apt_n": 439,
   "maison": 2989,
   "maison_n": 107
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 4408,
    "n": 114
   },
   {
    "band": "30-60 m²",
    "median": 3443,
    "n": 348
   },
   {
    "band": "60-90 m²",
    "median": 2763,
    "n": 326
   },
   {
    "band": "90-120 m²",
    "median": 2507,
    "n": 52
   },
   {
    "band": "120 m² et +",
    "median": 2029,
    "n": 2
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 4830,
    "n": 2
   },
   {
    "band": "60-90 m²",
    "median": 3342,
    "n": 67
   },
   {
    "band": "90-120 m²",
    "median": 2877,
    "n": 96
   },
   {
    "band": "120 m² et +",
    "median": 2935,
    "n": 51
   }
  ]
 },
 "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/95127-cergy"
}