{
 "code_insee": "74224",
 "nom": "La Roche sur Foron",
 "departement": "74",
 "annee_reference": 2025,
 "prix_m2_median": 3696,
 "prix_m2_median_appartement": 3616,
 "prix_m2_median_appartement_yoy_pct": -0.9,
 "prix_m2_median_maison": 4259,
 "prix_m2_median_maison_yoy_pct": 3.8,
 "prix_vente_median": 267525,
 "ventes_annee_reference": 154,
 "ventes_5_ans": 730,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 3312,
   "apt_n": 132,
   "maison": 3837,
   "maison_n": 32
  },
  {
   "annee": 2022,
   "apt": 3488,
   "apt_n": 136,
   "maison": 4322,
   "maison_n": 42
  },
  {
   "annee": 2023,
   "apt": 3623,
   "apt_n": 93,
   "maison": 4351,
   "maison_n": 32
  },
  {
   "annee": 2024,
   "apt": 3650,
   "apt_n": 83,
   "maison": 4104,
   "maison_n": 26
  },
  {
   "annee": 2025,
   "apt": 3616,
   "apt_n": 113,
   "maison": 4259,
   "maison_n": 41
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 4333,
    "n": 7
   },
   {
    "band": "30-60 m²",
    "median": 3477,
    "n": 60
   },
   {
    "band": "60-90 m²",
    "median": 3816,
    "n": 97
   },
   {
    "band": "90-120 m²",
    "median": 3316,
    "n": 27
   },
   {
    "band": "120 m² et +",
    "median": 3226,
    "n": 5
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 15357,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 6054,
    "n": 2
   },
   {
    "band": "60-90 m²",
    "median": 5063,
    "n": 15
   },
   {
    "band": "90-120 m²",
    "median": 4485,
    "n": 18
   },
   {
    "band": "120 m² et +",
    "median": 3699,
    "n": 31
   }
  ]
 },
 "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/74224-la-roche-sur-foron"
}