{
 "code_insee": "44132",
 "nom": "Pornichet",
 "departement": "44",
 "annee_reference": 2025,
 "prix_m2_median": 5545,
 "prix_m2_median_appartement": 5900,
 "prix_m2_median_appartement_yoy_pct": -1.2,
 "prix_m2_median_maison": 5019,
 "prix_m2_median_maison_yoy_pct": -8,
 "prix_vente_median": 322000,
 "ventes_annee_reference": 309,
 "ventes_5_ans": 1673,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 5505,
   "apt_n": 246,
   "maison": 5000,
   "maison_n": 153
  },
  {
   "annee": 2022,
   "apt": 6152,
   "apt_n": 218,
   "maison": 5038,
   "maison_n": 156
  },
  {
   "annee": 2023,
   "apt": 6091,
   "apt_n": 180,
   "maison": 5196,
   "maison_n": 128
  },
  {
   "annee": 2024,
   "apt": 5972,
   "apt_n": 167,
   "maison": 5458,
   "maison_n": 116
  },
  {
   "annee": 2025,
   "apt": 5900,
   "apt_n": 193,
   "maison": 5019,
   "maison_n": 116
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 6397,
    "n": 82
   },
   {
    "band": "30-60 m²",
    "median": 5833,
    "n": 160
   },
   {
    "band": "60-90 m²",
    "median": 5723,
    "n": 103
   },
   {
    "band": "90-120 m²",
    "median": 5979,
    "n": 12
   },
   {
    "band": "120 m² et +",
    "median": 6667,
    "n": 3
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 6980,
    "n": 2
   },
   {
    "band": "30-60 m²",
    "median": 7090,
    "n": 40
   },
   {
    "band": "60-90 m²",
    "median": 5375,
    "n": 60
   },
   {
    "band": "90-120 m²",
    "median": 4979,
    "n": 61
   },
   {
    "band": "120 m² et +",
    "median": 4963,
    "n": 69
   }
  ]
 },
 "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/44132-pornichet"
}