{
 "code_insee": "29254",
 "nom": "Saint-Martin-des-Champs",
 "departement": "29",
 "annee_reference": 2025,
 "prix_m2_median": 1800,
 "prix_m2_median_appartement": 1888,
 "prix_m2_median_appartement_yoy_pct": 1.9,
 "prix_m2_median_maison": 1789,
 "prix_m2_median_maison_yoy_pct": 2.2,
 "prix_vente_median": 150100,
 "ventes_annee_reference": 59,
 "ventes_5_ans": 328,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 55,
  "prix_m2_median": 1849,
  "prix_m2_median_appartement": null,
  "prix_m2_median_appartement_yoy_pct": null,
  "prix_m2_median_maison": 1849,
  "prix_m2_median_maison_yoy_pct": 9.1
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1346,
   "apt_n": 3,
   "maison": 1455,
   "maison_n": 38
  },
  {
   "annee": 2022,
   "apt": 1519,
   "apt_n": 13,
   "maison": 1688,
   "maison_n": 52
  },
  {
   "annee": 2023,
   "apt": 1707,
   "apt_n": 12,
   "maison": 1644,
   "maison_n": 63
  },
  {
   "annee": 2024,
   "apt": 1852,
   "apt_n": 11,
   "maison": 1750,
   "maison_n": 51
  },
  {
   "annee": 2025,
   "apt": 1888,
   "apt_n": 8,
   "maison": 1789,
   "maison_n": 51
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 2129,
    "n": 2
   },
   {
    "band": "30-60 m²",
    "median": 1888,
    "n": 10
   },
   {
    "band": "60-90 m²",
    "median": 1667,
    "n": 4
   },
   {
    "band": "90-120 m²",
    "median": 1522,
    "n": 3
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 2411,
    "n": 5
   },
   {
    "band": "60-90 m²",
    "median": 1986,
    "n": 45
   },
   {
    "band": "90-120 m²",
    "median": 1621,
    "n": 40
   },
   {
    "band": "120 m² et +",
    "median": 1428,
    "n": 12
   }
  ]
 },
 "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/29254-saint-martin-des-champs"
}