{
 "code_insee": "17306",
 "nom": "Royan",
 "departement": "17",
 "annee_reference": 2025,
 "prix_m2_median": 3797,
 "prix_m2_median_appartement": 3901,
 "prix_m2_median_appartement_yoy_pct": 1.8,
 "prix_m2_median_maison": 3686,
 "prix_m2_median_maison_yoy_pct": -2.9,
 "prix_vente_median": 233000,
 "ventes_annee_reference": 667,
 "ventes_5_ans": 3633,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 3459,
   "apt_n": 501,
   "maison": 3474,
   "maison_n": 407
  },
  {
   "annee": 2022,
   "apt": 3826,
   "apt_n": 486,
   "maison": 3738,
   "maison_n": 340
  },
  {
   "annee": 2023,
   "apt": 4053,
   "apt_n": 410,
   "maison": 3771,
   "maison_n": 229
  },
  {
   "annee": 2024,
   "apt": 3833,
   "apt_n": 345,
   "maison": 3795,
   "maison_n": 248
  },
  {
   "annee": 2025,
   "apt": 3901,
   "apt_n": 388,
   "maison": 3686,
   "maison_n": 279
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 4403,
    "n": 124
   },
   {
    "band": "30-60 m²",
    "median": 3846,
    "n": 328
   },
   {
    "band": "60-90 m²",
    "median": 3503,
    "n": 228
   },
   {
    "band": "90-120 m²",
    "median": 3803,
    "n": 40
   },
   {
    "band": "120 m² et +",
    "median": 4154,
    "n": 13
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 5101,
    "n": 3
   },
   {
    "band": "30-60 m²",
    "median": 4310,
    "n": 68
   },
   {
    "band": "60-90 m²",
    "median": 3721,
    "n": 216
   },
   {
    "band": "90-120 m²",
    "median": 3606,
    "n": 135
   },
   {
    "band": "120 m² et +",
    "median": 3686,
    "n": 105
   }
  ]
 },
 "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/17306-royan"
}