{
 "code_insee": "44195",
 "nom": "Savenay",
 "departement": "44",
 "annee_reference": 2025,
 "prix_m2_median": 2777,
 "prix_m2_median_appartement": 2560,
 "prix_m2_median_appartement_yoy_pct": -3,
 "prix_m2_median_maison": 2903,
 "prix_m2_median_maison_yoy_pct": 4.2,
 "prix_vente_median": 235000,
 "ventes_annee_reference": 85,
 "ventes_5_ans": 432,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 2136,
   "apt_n": 11,
   "maison": 2526,
   "maison_n": 84
  },
  {
   "annee": 2022,
   "apt": 2759,
   "apt_n": 10,
   "maison": 3008,
   "maison_n": 83
  },
  {
   "annee": 2023,
   "apt": 2581,
   "apt_n": 10,
   "maison": 2707,
   "maison_n": 77
  },
  {
   "annee": 2024,
   "apt": 2638,
   "apt_n": 10,
   "maison": 2787,
   "maison_n": 62
  },
  {
   "annee": 2025,
   "apt": 2560,
   "apt_n": 18,
   "maison": 2903,
   "maison_n": 67
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 2310,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 2692,
    "n": 13
   },
   {
    "band": "60-90 m²",
    "median": 2519,
    "n": 14
   },
   {
    "band": "90-120 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 3150,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 2842,
    "n": 7
   },
   {
    "band": "60-90 m²",
    "median": 2696,
    "n": 36
   },
   {
    "band": "90-120 m²",
    "median": 2911,
    "n": 50
   },
   {
    "band": "120 m² et +",
    "median": 2837,
    "n": 35
   }
  ]
 },
 "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/44195-savenay"
}