{
 "code_insee": "17218",
 "nom": "Marans",
 "departement": "17",
 "annee_reference": 2025,
 "prix_m2_median": 1931,
 "prix_m2_median_appartement": 2020,
 "prix_m2_median_appartement_yoy_pct": -4.3,
 "prix_m2_median_maison": 1911,
 "prix_m2_median_maison_yoy_pct": 2.9,
 "prix_vente_median": 146000,
 "ventes_annee_reference": 72,
 "ventes_5_ans": 402,
 "fiabilite": "Modérée",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1532,
   "apt_n": 19,
   "maison": 1857,
   "maison_n": 73
  },
  {
   "annee": 2022,
   "apt": 1899,
   "apt_n": 22,
   "maison": 1989,
   "maison_n": 76
  },
  {
   "annee": 2023,
   "apt": 2036,
   "apt_n": 21,
   "maison": 1777,
   "maison_n": 63
  },
  {
   "annee": 2024,
   "apt": 2111,
   "apt_n": 12,
   "maison": 1858,
   "maison_n": 44
  },
  {
   "annee": 2025,
   "apt": 2020,
   "apt_n": 12,
   "maison": 1911,
   "maison_n": 60
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 2360,
    "n": 3
   },
   {
    "band": "30-60 m²",
    "median": 2195,
    "n": 10
   },
   {
    "band": "60-90 m²",
    "median": 1886,
    "n": 10
   },
   {
    "band": "90-120 m²",
    "median": 1892,
    "n": 1
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 1860,
    "n": 11
   },
   {
    "band": "60-90 m²",
    "median": 2003,
    "n": 39
   },
   {
    "band": "90-120 m²",
    "median": 1925,
    "n": 36
   },
   {
    "band": "120 m² et +",
    "median": 1442,
    "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/17218-marans"
}