{
 "code_insee": "44036",
 "nom": "Chateaubriant",
 "departement": "44",
 "annee_reference": 2025,
 "prix_m2_median": 1777,
 "prix_m2_median_appartement": 1786,
 "prix_m2_median_appartement_yoy_pct": 5.1,
 "prix_m2_median_maison": 1769,
 "prix_m2_median_maison_yoy_pct": -7.3,
 "prix_vente_median": 127000,
 "ventes_annee_reference": 138,
 "ventes_5_ans": 841,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1563,
   "apt_n": 38,
   "maison": 1604,
   "maison_n": 171
  },
  {
   "annee": 2022,
   "apt": 1786,
   "apt_n": 44,
   "maison": 1837,
   "maison_n": 163
  },
  {
   "annee": 2023,
   "apt": 1655,
   "apt_n": 38,
   "maison": 1950,
   "maison_n": 122
  },
  {
   "annee": 2024,
   "apt": 1699,
   "apt_n": 20,
   "maison": 1909,
   "maison_n": 107
  },
  {
   "annee": 2025,
   "apt": 1786,
   "apt_n": 37,
   "maison": 1769,
   "maison_n": 101
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 2134,
    "n": 8
   },
   {
    "band": "30-60 m²",
    "median": 1848,
    "n": 24
   },
   {
    "band": "60-90 m²",
    "median": 1526,
    "n": 19
   },
   {
    "band": "90-120 m²",
    "median": 1476,
    "n": 5
   },
   {
    "band": "120 m² et +",
    "median": 967,
    "n": 1
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 2137,
    "n": 2
   },
   {
    "band": "30-60 m²",
    "median": 1890,
    "n": 26
   },
   {
    "band": "60-90 m²",
    "median": 1837,
    "n": 89
   },
   {
    "band": "90-120 m²",
    "median": 1909,
    "n": 51
   },
   {
    "band": "120 m² et +",
    "median": 1500,
    "n": 40
   }
  ]
 },
 "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/44036-chateaubriant"
}