{
 "code_insee": "63040",
 "nom": "Billom",
 "departement": "63",
 "annee_reference": 2025,
 "prix_m2_median": 1476,
 "prix_m2_median_appartement": 1215,
 "prix_m2_median_appartement_yoy_pct": -37.3,
 "prix_m2_median_maison": 1574,
 "prix_m2_median_maison_yoy_pct": -1.9,
 "prix_vente_median": 108000,
 "ventes_annee_reference": 56,
 "ventes_5_ans": 251,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 59,
  "prix_m2_median": 1513,
  "prix_m2_median_appartement": null,
  "prix_m2_median_appartement_yoy_pct": null,
  "prix_m2_median_maison": 1554,
  "prix_m2_median_maison_yoy_pct": -10.3
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": null,
   "apt_n": 0,
   "maison": 1469,
   "maison_n": 30
  },
  {
   "annee": 2022,
   "apt": 1461,
   "apt_n": 4,
   "maison": 1560,
   "maison_n": 39
  },
  {
   "annee": 2023,
   "apt": 1290,
   "apt_n": 2,
   "maison": 1667,
   "maison_n": 41
  },
  {
   "annee": 2024,
   "apt": 1938,
   "apt_n": 1,
   "maison": 1604,
   "maison_n": 45
  },
  {
   "annee": 2025,
   "apt": 1215,
   "apt_n": 10,
   "maison": 1574,
   "maison_n": 46
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 1344,
    "n": 8
   },
   {
    "band": "60-90 m²",
    "median": 795,
    "n": 2
   },
   {
    "band": "90-120 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "120 m² et +",
    "median": 1938,
    "n": 1
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 2475,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 661,
    "n": 13
   },
   {
    "band": "60-90 m²",
    "median": 1401,
    "n": 32
   },
   {
    "band": "90-120 m²",
    "median": 1970,
    "n": 29
   },
   {
    "band": "120 m² et +",
    "median": 1618,
    "n": 16
   }
  ]
 },
 "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/63040-billom"
}