{
 "code_insee": "95219",
 "nom": "Ermont",
 "departement": "95",
 "annee_reference": 2025,
 "prix_m2_median": 3917,
 "prix_m2_median_appartement": 3613,
 "prix_m2_median_appartement_yoy_pct": -1.9,
 "prix_m2_median_maison": 4271,
 "prix_m2_median_maison_yoy_pct": -5.6,
 "prix_vente_median": 272000,
 "ventes_annee_reference": 266,
 "ventes_5_ans": 1475,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 3407,
   "apt_n": 232,
   "maison": 4902,
   "maison_n": 137
  },
  {
   "annee": 2022,
   "apt": 3958,
   "apt_n": 219,
   "maison": 5025,
   "maison_n": 118
  },
  {
   "annee": 2023,
   "apt": 3709,
   "apt_n": 191,
   "maison": 4846,
   "maison_n": 91
  },
  {
   "annee": 2024,
   "apt": 3684,
   "apt_n": 146,
   "maison": 4523,
   "maison_n": 75
  },
  {
   "annee": 2025,
   "apt": 3613,
   "apt_n": 150,
   "maison": 4271,
   "maison_n": 116
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 5000,
    "n": 9
   },
   {
    "band": "30-60 m²",
    "median": 3998,
    "n": 116
   },
   {
    "band": "60-90 m²",
    "median": 3445,
    "n": 144
   },
   {
    "band": "90-120 m²",
    "median": 3196,
    "n": 26
   },
   {
    "band": "120 m² et +",
    "median": 3561,
    "n": 1
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 2692,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 5502,
    "n": 25
   },
   {
    "band": "60-90 m²",
    "median": 4722,
    "n": 76
   },
   {
    "band": "90-120 m²",
    "median": 4252,
    "n": 46
   },
   {
    "band": "120 m² et +",
    "median": 3760,
    "n": 43
   }
  ]
 },
 "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/95219-ermont"
}