{
 "code_insee": "51172",
 "nom": "Cormontreuil",
 "departement": "51",
 "annee_reference": 2025,
 "prix_m2_median": 2738,
 "prix_m2_median_appartement": 2813,
 "prix_m2_median_appartement_yoy_pct": 20,
 "prix_m2_median_maison": 2723,
 "prix_m2_median_maison_yoy_pct": 5.7,
 "prix_vente_median": 263000,
 "ventes_annee_reference": 60,
 "ventes_5_ans": 395,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 68,
  "prix_m2_median": 2805,
  "prix_m2_median_appartement": 2781,
  "prix_m2_median_appartement_yoy_pct": 8.8,
  "prix_m2_median_maison": 2816,
  "prix_m2_median_maison_yoy_pct": 8.2
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 2865,
   "apt_n": 19,
   "maison": 2570,
   "maison_n": 28
  },
  {
   "annee": 2022,
   "apt": 2581,
   "apt_n": 37,
   "maison": 2859,
   "maison_n": 60
  },
  {
   "annee": 2023,
   "apt": 2515,
   "apt_n": 22,
   "maison": 2697,
   "maison_n": 75
  },
  {
   "annee": 2024,
   "apt": 2345,
   "apt_n": 10,
   "maison": 2577,
   "maison_n": 56
  },
  {
   "annee": 2025,
   "apt": 2813,
   "apt_n": 10,
   "maison": 2723,
   "maison_n": 50
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 2725,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 2382,
    "n": 3
   },
   {
    "band": "60-90 m²",
    "median": 2914,
    "n": 10
   },
   {
    "band": "90-120 m²",
    "median": 2031,
    "n": 5
   },
   {
    "band": "120 m² et +",
    "median": 2984,
    "n": 1
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 2295,
    "n": 4
   },
   {
    "band": "60-90 m²",
    "median": 2759,
    "n": 36
   },
   {
    "band": "90-120 m²",
    "median": 2627,
    "n": 48
   },
   {
    "band": "120 m² et +",
    "median": 2565,
    "n": 18
   }
  ]
 },
 "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/51172-cormontreuil"
}