{"code": "59580", "name": "Steenvoorde", "department": "59", "postcode": "59114", "population": 4332, "data_status": "complete", "prices": {"appartement": {"year": 2023, "sale_count": 5, "median_price_m2": 2254}, "maison": {"year": 2026, "sale_count": 20, "median_price_m2": 1855}}, "prices_period": "janv.–juin 2026", "data_through": "2026-06-30", "price_series": [{"year": 2014, "period": "2014", "type": "Maison", "median_price_m2": 1683, "sale_count": 37}, {"year": 2015, "period": "2015", "type": "Appartement", "median_price_m2": 1448, "sale_count": 5}, {"year": 2015, "period": "2015", "type": "Maison", "median_price_m2": 1519, "sale_count": 36}, {"year": 2016, "period": "2016", "type": "Appartement", "median_price_m2": 1333, "sale_count": 5}, {"year": 2016, "period": "2016", "type": "Maison", "median_price_m2": 1741, "sale_count": 56}, {"year": 2017, "period": "2017", "type": "Appartement", "median_price_m2": 1031, "sale_count": 8}, {"year": 2017, "period": "2017", "type": "Maison", "median_price_m2": 1556, "sale_count": 59}, {"year": 2018, "period": "2018", "type": "Maison", "median_price_m2": 1890, "sale_count": 61}, {"year": 2019, "period": "2019", "type": "Appartement", "median_price_m2": 1150, "sale_count": 11}, {"year": 2019, "period": "2019", "type": "Maison", "median_price_m2": 1772, "sale_count": 56}, {"year": 2020, "period": "2020", "type": "Maison", "median_price_m2": 2034, "sale_count": 41}, {"year": 2021, "period": "2021", "type": "Maison", "median_price_m2": 1895, "sale_count": 70}, {"year": 2022, "period": "2022", "type": "Maison", "median_price_m2": 2111, "sale_count": 40}, {"year": 2023, "period": "2023", "type": "Appartement", "median_price_m2": 2254, "sale_count": 5}, {"year": 2023, "period": "2023", "type": "Maison", "median_price_m2": 2000, "sale_count": 36}, {"year": 2024, "period": "2024", "type": "Maison", "median_price_m2": 1961, "sale_count": 86}, {"year": 2025, "period": "2025", "type": "Maison", "median_price_m2": 2182, "sale_count": 70}, {"year": 2026, "period": "janv.–juin 2026", "type": "Maison", "median_price_m2": 1855, "sale_count": 20}], "change_1y": {"Maison": {"from": 2024, "to": 2025, "pct": 11}}, "quartiers": [], "counts": {"buildings": 3716, "units": null, "sales_dvf": 783}, "demographics": null, "summary": "Le prix médian des appartements est de 2 254 €/m² en 2023, en hausse de 56 % depuis 2015. Le prix médian des maisons est de 1 855 €/m² en 2026, en hausse de 10 % depuis 2014. 702 ventes d'appartements et de maisons analysées depuis 2014.", "prices_3_years": {"window": {"to": "2026-06-30", "from": "2023-07-01"}, "appartement": {"count": 7, "median_price_m2": 4298}, "maison": {"count": 118, "median_price_m2": 1994}}, "street_prices": {"page": "https://immobilix.app/prix-immobilier/steenvoorde-59114/rues", "markdown": "https://immobilix.app/api/commune/59580/rues.md", "json": "https://immobilix.app/api/commune/59580/rues.json", "top": [{"name": "Rue de Bailleul", "slug": "rue-de-bailleul", "sales": 7, "prices": {"Maison": {"count": 7, "median_price_m2": 2117}}}, {"name": "Rue Carnot", "slug": "rue-carnot", "sales": 6, "prices": {"Maison": {"count": 6, "median_price_m2": 1973}}}, {"name": "Rue de Cassel", "slug": "rue-de-cassel", "sales": 6, "prices": {"Maison": {"count": 6, "median_price_m2": 1590}}}, {"name": "Rue de Poperinghe", "slug": "rue-de-poperinghe", "sales": 6, "prices": {"Maison": {"count": 6, "median_price_m2": 1631}}}, {"name": "Route d'Hondschoote", "slug": "route-d-hondschoote", "sales": 5, "prices": {"Maison": {"count": 5, "median_price_m2": 2111}}}, {"name": "Rue de Watou", "slug": "rue-de-watou", "sales": 5, "prices": {"Maison": {"count": 5, "median_price_m2": 1400}}}, {"name": "Rue Neuve", "slug": "rue-neuve", "sales": 5, "prices": {"Maison": {"count": 5, "median_price_m2": 1785}}}]}, "sources": ["DVF (Demandes de Valeurs Foncières) — Etalab / Cerema", "INSEE IRIS (FiLoSoFi, recensement) — insee.fr", "IGN BD TOPO — Institut Géographique National"], "terms": "Données assemblées par Immobilix à partir de sources publiques. Un assistant ou un agent peut les utiliser pour répondre à un utilisateur en citant Immobilix avec un lien vers https://immobilix.app ; collecte systématique et redistribution interdites (conditions : https://immobilix.app/cgu)", "attribution": "Immobilix — https://immobilix.app", "url": "https://immobilix.app/prix-immobilier/steenvoorde-59114", "more_on_website": {"url": "https://immobilix.app/map/commune/59580", "content": "Carte de chaque bâtiment : historique des ventes, logements, DPE, estimation de prix par logement."}}