{
 "code_insee": "80721",
 "nom": "Saint-Valery-sur-Somme",
 "departement": "80",
 "annee_reference": 2025,
 "prix_m2_median": 4333,
 "prix_m2_median_appartement": 4603,
 "prix_m2_median_appartement_yoy_pct": 0.5,
 "prix_m2_median_maison": 4154,
 "prix_m2_median_maison_yoy_pct": 22.4,
 "prix_vente_median": 265000,
 "ventes_annee_reference": 62,
 "ventes_5_ans": 353,
 "fiabilite": "Modérée",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 4179,
   "apt_n": 19,
   "maison": 3492,
   "maison_n": 54
  },
  {
   "annee": 2022,
   "apt": 4176,
   "apt_n": 38,
   "maison": 3962,
   "maison_n": 68
  },
  {
   "annee": 2023,
   "apt": 4431,
   "apt_n": 25,
   "maison": 3731,
   "maison_n": 47
  },
  {
   "annee": 2024,
   "apt": 4578,
   "apt_n": 8,
   "maison": 3394,
   "maison_n": 32
  },
  {
   "annee": 2025,
   "apt": 4603,
   "apt_n": 13,
   "maison": 4154,
   "maison_n": 49
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 4556,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 4979,
    "n": 13
   },
   {
    "band": "60-90 m²",
    "median": 4362,
    "n": 7
   },
   {
    "band": "90-120 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 4567,
    "n": 30
   },
   {
    "band": "60-90 m²",
    "median": 3706,
    "n": 26
   },
   {
    "band": "90-120 m²",
    "median": 3267,
    "n": 14
   },
   {
    "band": "120 m² et +",
    "median": 2386,
    "n": 11
   }
  ]
 },
 "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/80721-saint-valery-sur-somme"
}