{
 "code_insee": "78358",
 "nom": "Maisons-Laffitte",
 "departement": "78",
 "annee_reference": 2025,
 "prix_m2_median": 5873,
 "prix_m2_median_appartement": 5415,
 "prix_m2_median_appartement_yoy_pct": -1.1,
 "prix_m2_median_maison": 7953,
 "prix_m2_median_maison_yoy_pct": 6.2,
 "prix_vente_median": 400430,
 "ventes_annee_reference": 303,
 "ventes_5_ans": 1716,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 5714,
   "apt_n": 293,
   "maison": 8073,
   "maison_n": 115
  },
  {
   "annee": 2022,
   "apt": 5871,
   "apt_n": 307,
   "maison": 8574,
   "maison_n": 115
  },
  {
   "annee": 2023,
   "apt": 5762,
   "apt_n": 253,
   "maison": 8396,
   "maison_n": 68
  },
  {
   "annee": 2024,
   "apt": 5473,
   "apt_n": 195,
   "maison": 7490,
   "maison_n": 67
  },
  {
   "annee": 2025,
   "apt": 5415,
   "apt_n": 234,
   "maison": 7953,
   "maison_n": 69
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 6124,
    "n": 30
   },
   {
    "band": "30-60 m²",
    "median": 5365,
    "n": 130
   },
   {
    "band": "60-90 m²",
    "median": 5303,
    "n": 193
   },
   {
    "band": "90-120 m²",
    "median": 5818,
    "n": 63
   },
   {
    "band": "120 m² et +",
    "median": 5969,
    "n": 13
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 8662,
    "n": 10
   },
   {
    "band": "60-90 m²",
    "median": 8045,
    "n": 36
   },
   {
    "band": "90-120 m²",
    "median": 7658,
    "n": 29
   },
   {
    "band": "120 m² et +",
    "median": 7631,
    "n": 61
   }
  ]
 },
 "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/78358-maisons-laffitte"
}