{
 "code_insee": "59431",
 "nom": "Nieppe",
 "departement": "59",
 "annee_reference": 2025,
 "prix_m2_median": 2334,
 "prix_m2_median_appartement": 2175,
 "prix_m2_median_appartement_yoy_pct": -42.6,
 "prix_m2_median_maison": 2354,
 "prix_m2_median_maison_yoy_pct": 2.8,
 "prix_vente_median": 207500,
 "ventes_annee_reference": 91,
 "ventes_5_ans": 417,
 "fiabilite": "Modérée",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 3632,
   "apt_n": 21,
   "maison": 2071,
   "maison_n": 86
  },
  {
   "annee": 2022,
   "apt": 3726,
   "apt_n": 15,
   "maison": 2505,
   "maison_n": 74
  },
  {
   "annee": 2023,
   "apt": 3796,
   "apt_n": 8,
   "maison": 2371,
   "maison_n": 71
  },
  {
   "annee": 2024,
   "apt": 3788,
   "apt_n": 3,
   "maison": 2290,
   "maison_n": 48
  },
  {
   "annee": 2025,
   "apt": 2175,
   "apt_n": 6,
   "maison": 2354,
   "maison_n": 85
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 2128,
    "n": 3
   },
   {
    "band": "60-90 m²",
    "median": 3088,
    "n": 5
   },
   {
    "band": "90-120 m²",
    "median": 906,
    "n": 1
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 4655,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 3070,
    "n": 2
   },
   {
    "band": "60-90 m²",
    "median": 2338,
    "n": 54
   },
   {
    "band": "90-120 m²",
    "median": 2079,
    "n": 53
   },
   {
    "band": "120 m² et +",
    "median": 2667,
    "n": 23
   }
  ]
 },
 "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/59431-nieppe"
}