{
 "code_insee": "78486",
 "nom": "Perray-en-Yvelines (le)",
 "departement": "78",
 "annee_reference": 2025,
 "prix_m2_median": 3594,
 "prix_m2_median_appartement": 3669,
 "prix_m2_median_appartement_yoy_pct": -1.1,
 "prix_m2_median_maison": 3497,
 "prix_m2_median_maison_yoy_pct": 1.9,
 "prix_vente_median": 272600,
 "ventes_annee_reference": 75,
 "ventes_5_ans": 423,
 "fiabilite": "Modérée",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 3758,
   "apt_n": 35,
   "maison": 3557,
   "maison_n": 67
  },
  {
   "annee": 2022,
   "apt": 3849,
   "apt_n": 30,
   "maison": 3859,
   "maison_n": 73
  },
  {
   "annee": 2023,
   "apt": 3714,
   "apt_n": 35,
   "maison": 3744,
   "maison_n": 45
  },
  {
   "annee": 2024,
   "apt": 3711,
   "apt_n": 24,
   "maison": 3432,
   "maison_n": 39
  },
  {
   "annee": 2025,
   "apt": 3669,
   "apt_n": 32,
   "maison": 3497,
   "maison_n": 43
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 3920,
    "n": 9
   },
   {
    "band": "30-60 m²",
    "median": 3710,
    "n": 35
   },
   {
    "band": "60-90 m²",
    "median": 3443,
    "n": 11
   },
   {
    "band": "90-120 m²",
    "median": 3056,
    "n": 1
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 4620,
    "n": 7
   },
   {
    "band": "60-90 m²",
    "median": 3923,
    "n": 26
   },
   {
    "band": "90-120 m²",
    "median": 3376,
    "n": 26
   },
   {
    "band": "120 m² et +",
    "median": 3092,
    "n": 23
   }
  ]
 },
 "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/78486-perray-en-yvelines-le"
}