{
 "code_insee": "78551",
 "nom": "Saint-Germain-en-Laye",
 "departement": "78",
 "annee_reference": 2025,
 "prix_m2_median": 6484,
 "prix_m2_median_appartement": 6406,
 "prix_m2_median_appartement_yoy_pct": -0.6,
 "prix_m2_median_maison": 6732,
 "prix_m2_median_maison_yoy_pct": -4.6,
 "prix_vente_median": 385720,
 "ventes_annee_reference": 535,
 "ventes_5_ans": 2769,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 6450,
   "apt_n": 536,
   "maison": 7012,
   "maison_n": 127
  },
  {
   "annee": 2022,
   "apt": 6750,
   "apt_n": 547,
   "maison": 7457,
   "maison_n": 97
  },
  {
   "annee": 2023,
   "apt": 6485,
   "apt_n": 410,
   "maison": 7406,
   "maison_n": 83
  },
  {
   "annee": 2024,
   "apt": 6445,
   "apt_n": 374,
   "maison": 7057,
   "maison_n": 60
  },
  {
   "annee": 2025,
   "apt": 6406,
   "apt_n": 461,
   "maison": 6732,
   "maison_n": 74
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 7021,
    "n": 105
   },
   {
    "band": "30-60 m²",
    "median": 6283,
    "n": 254
   },
   {
    "band": "60-90 m²",
    "median": 5921,
    "n": 281
   },
   {
    "band": "90-120 m²",
    "median": 6667,
    "n": 132
   },
   {
    "band": "120 m² et +",
    "median": 7122,
    "n": 63
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 2593,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 9446,
    "n": 10
   },
   {
    "band": "60-90 m²",
    "median": 6717,
    "n": 21
   },
   {
    "band": "90-120 m²",
    "median": 7234,
    "n": 33
   },
   {
    "band": "120 m² et +",
    "median": 6706,
    "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/78551-saint-germain-en-laye"
}