{
 "code_insee": "77018",
 "nom": "Bailly-Romainvilliers",
 "departement": "77",
 "annee_reference": 2025,
 "prix_m2_median": 4123,
 "prix_m2_median_appartement": 4245,
 "prix_m2_median_appartement_yoy_pct": -4.6,
 "prix_m2_median_maison": 4016,
 "prix_m2_median_maison_yoy_pct": -4,
 "prix_vente_median": 284550,
 "ventes_annee_reference": 84,
 "ventes_5_ans": 403,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 4250,
   "apt_n": 53,
   "maison": 4028,
   "maison_n": 39
  },
  {
   "annee": 2022,
   "apt": 4479,
   "apt_n": 37,
   "maison": 4312,
   "maison_n": 43
  },
  {
   "annee": 2023,
   "apt": 4269,
   "apt_n": 48,
   "maison": 4517,
   "maison_n": 28
  },
  {
   "annee": 2024,
   "apt": 4449,
   "apt_n": 36,
   "maison": 4185,
   "maison_n": 35
  },
  {
   "annee": 2025,
   "apt": 4245,
   "apt_n": 42,
   "maison": 4016,
   "maison_n": 42
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 5502,
    "n": 12
   },
   {
    "band": "30-60 m²",
    "median": 4342,
    "n": 43
   },
   {
    "band": "60-90 m²",
    "median": 3927,
    "n": 22
   },
   {
    "band": "90-120 m²",
    "median": 3055,
    "n": 1
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "60-90 m²",
    "median": 4145,
    "n": 29
   },
   {
    "band": "90-120 m²",
    "median": 4152,
    "n": 28
   },
   {
    "band": "120 m² et +",
    "median": 3769,
    "n": 20
   }
  ]
 },
 "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/77018-bailly-romainvilliers"
}