{
 "code_insee": "91272",
 "nom": "Gif sur Yvette",
 "departement": "91",
 "annee_reference": 2025,
 "prix_m2_median": 4017,
 "prix_m2_median_appartement": 3924,
 "prix_m2_median_appartement_yoy_pct": -3.4,
 "prix_m2_median_maison": 4091,
 "prix_m2_median_maison_yoy_pct": 5,
 "prix_vente_median": 396600,
 "ventes_annee_reference": 206,
 "ventes_5_ans": 1064,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 4042,
   "apt_n": 123,
   "maison": 4091,
   "maison_n": 112
  },
  {
   "annee": 2022,
   "apt": 4116,
   "apt_n": 145,
   "maison": 4400,
   "maison_n": 119
  },
  {
   "annee": 2023,
   "apt": 4199,
   "apt_n": 101,
   "maison": 4250,
   "maison_n": 73
  },
  {
   "annee": 2024,
   "apt": 4064,
   "apt_n": 98,
   "maison": 3896,
   "maison_n": 87
  },
  {
   "annee": 2025,
   "apt": 3924,
   "apt_n": 90,
   "maison": 4091,
   "maison_n": 116
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 5310,
    "n": 16
   },
   {
    "band": "30-60 m²",
    "median": 4298,
    "n": 43
   },
   {
    "band": "60-90 m²",
    "median": 3856,
    "n": 111
   },
   {
    "band": "90-120 m²",
    "median": 3348,
    "n": 17
   },
   {
    "band": "120 m² et +",
    "median": 3047,
    "n": 1
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 11609,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 6143,
    "n": 9
   },
   {
    "band": "60-90 m²",
    "median": 4590,
    "n": 22
   },
   {
    "band": "90-120 m²",
    "median": 4367,
    "n": 56
   },
   {
    "band": "120 m² et +",
    "median": 3748,
    "n": 115
   }
  ]
 },
 "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/91272-gif-sur-yvette"
}