{
 "code_insee": "59327",
 "nom": "Lallaing",
 "departement": "59",
 "annee_reference": 2025,
 "prix_m2_median": 1547,
 "prix_m2_median_appartement": 1406,
 "prix_m2_median_appartement_yoy_pct": -8.3,
 "prix_m2_median_maison": 1557,
 "prix_m2_median_maison_yoy_pct": -3.3,
 "prix_vente_median": 123860,
 "ventes_annee_reference": 34,
 "ventes_5_ans": 243,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 41,
  "prix_m2_median": 1541,
  "prix_m2_median_appartement": null,
  "prix_m2_median_appartement_yoy_pct": null,
  "prix_m2_median_maison": 1571,
  "prix_m2_median_maison_yoy_pct": 3.7
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 3447,
   "apt_n": 1,
   "maison": 1792,
   "maison_n": 41
  },
  {
   "annee": 2022,
   "apt": 1438,
   "apt_n": 1,
   "maison": 1833,
   "maison_n": 40
  },
  {
   "annee": 2023,
   "apt": 1568,
   "apt_n": 2,
   "maison": 1628,
   "maison_n": 50
  },
  {
   "annee": 2024,
   "apt": 1534,
   "apt_n": 6,
   "maison": 1610,
   "maison_n": 41
  },
  {
   "annee": 2025,
   "apt": 1406,
   "apt_n": 3,
   "maison": 1557,
   "maison_n": 31
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 1511,
    "n": 6
   },
   {
    "band": "60-90 m²",
    "median": 1406,
    "n": 2
   },
   {
    "band": "90-120 m²",
    "median": 2609,
    "n": 1
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 1413,
    "n": 13
   },
   {
    "band": "60-90 m²",
    "median": 1797,
    "n": 30
   },
   {
    "band": "90-120 m²",
    "median": 1610,
    "n": 17
   },
   {
    "band": "120 m² et +",
    "median": 1459,
    "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/59327-lallaing"
}