{"code": "22118", "name": "Lanvallay", "department": "22", "postcode": "22100", "population": 4291, "data_status": "complete", "prices": {"appartement": {"year": 2025, "sale_count": 5, "median_price_m2": 2479}, "maison": {"year": 2026, "sale_count": 34, "median_price_m2": 2435}}, "prices_period": "janv.–juin 2026", "data_through": "2026-06-30", "price_series": [{"year": 2014, "period": "2014", "type": "Appartement", "median_price_m2": 2207, "sale_count": 13}, {"year": 2014, "period": "2014", "type": "Maison", "median_price_m2": 1609, "sale_count": 48}, {"year": 2015, "period": "2015", "type": "Appartement", "median_price_m2": 2130, "sale_count": 11}, {"year": 2015, "period": "2015", "type": "Maison", "median_price_m2": 1505, "sale_count": 41}, {"year": 2016, "period": "2016", "type": "Appartement", "median_price_m2": 2250, "sale_count": 23}, {"year": 2016, "period": "2016", "type": "Maison", "median_price_m2": 1619, "sale_count": 70}, {"year": 2017, "period": "2017", "type": "Maison", "median_price_m2": 1394, "sale_count": 24}, {"year": 2018, "period": "2018", "type": "Appartement", "median_price_m2": 2125, "sale_count": 17}, {"year": 2018, "period": "2018", "type": "Maison", "median_price_m2": 1667, "sale_count": 68}, {"year": 2019, "period": "2019", "type": "Appartement", "median_price_m2": 2436, "sale_count": 27}, {"year": 2019, "period": "2019", "type": "Maison", "median_price_m2": 1705, "sale_count": 98}, {"year": 2020, "period": "2020", "type": "Appartement", "median_price_m2": 2975, "sale_count": 27}, {"year": 2020, "period": "2020", "type": "Maison", "median_price_m2": 1881, "sale_count": 88}, {"year": 2021, "period": "2021", "type": "Appartement", "median_price_m2": 2466, "sale_count": 33}, {"year": 2021, "period": "2021", "type": "Maison", "median_price_m2": 2080, "sale_count": 134}, {"year": 2022, "period": "2022", "type": "Appartement", "median_price_m2": 1951, "sale_count": 6}, {"year": 2022, "period": "2022", "type": "Maison", "median_price_m2": 2355, "sale_count": 91}, {"year": 2023, "period": "2023", "type": "Appartement", "median_price_m2": 2349, "sale_count": 13}, {"year": 2023, "period": "2023", "type": "Maison", "median_price_m2": 2462, "sale_count": 67}, {"year": 2024, "period": "2024", "type": "Appartement", "median_price_m2": 2567, "sale_count": 8}, {"year": 2024, "period": "2024", "type": "Maison", "median_price_m2": 2427, "sale_count": 81}, {"year": 2025, "period": "2025", "type": "Appartement", "median_price_m2": 2479, "sale_count": 5}, {"year": 2025, "period": "2025", "type": "Maison", "median_price_m2": 2333, "sale_count": 95}, {"year": 2026, "period": "janv.–juin 2026", "type": "Maison", "median_price_m2": 2435, "sale_count": 34}], "change_1y": {"Appartement": {"from": 2020, "to": 2021, "pct": -17}, "Maison": {"from": 2024, "to": 2025, "pct": -4}}, "quartiers": [], "counts": {"buildings": 3787, "units": null, "sales_dvf": 1191}, "demographics": null, "summary": "Le prix médian des appartements est de 2 479 €/m² en 2025, en hausse de 12 % depuis 2014. Le prix médian des maisons est de 2 435 €/m² en 2026, en hausse de 51 % depuis 2014. 1 122 ventes d'appartements et de maisons analysées depuis 2014.", "prices_3_years": {"window": {"to": "2026-06-30", "from": "2023-07-01"}, "appartement": {"count": 16, "median_price_m2": 2632}, "maison": {"count": 174, "median_price_m2": 2410}}, "street_prices": {"page": "https://immobilix.app/prix-immobilier/lanvallay-22100/rues", "markdown": "https://immobilix.app/api/commune/22118/rues.md", "json": "https://immobilix.app/api/commune/22118/rues.json", "top": [{"name": "Rue des Chevrins", "slug": "rue-des-chevrins", "sales": 11, "prices": {"Maison": {"count": 5, "median_price_m2": 2256}, "Appartement": {"count": 6, "median_price_m2": 2571}}}, {"name": "Allée des Figuiers", "slug": "allee-des-figuiers", "sales": 9, "prices": {"Maison": {"count": 9, "median_price_m2": 2216}, "Appartement": {"count": null, "median_price_m2": null}}}, {"name": "Rue du Vieux Bourg", "slug": "rue-du-vieux-bourg", "sales": 7, "prices": {"Maison": {"count": 7, "median_price_m2": 2642}}}, {"name": "Route de la Ville Arais", "slug": "route-de-la-ville-arais", "sales": 6, "prices": {"Maison": {"count": 6, "median_price_m2": 1882}}}, {"name": "Rue Camille Saint Saens", "slug": "rue-camille-saint-saens", "sales": 6, "prices": {"Maison": {"count": 6, "median_price_m2": 3190}}}, {"name": "Avenue de la Rose Rouge", "slug": "avenue-de-la-rose-rouge", "sales": 5, "prices": {"Maison": {"count": 5, "median_price_m2": 2139}}}, {"name": "Avenue du Rocher", "slug": "avenue-du-rocher", "sales": 5, "prices": {"Maison": {"count": 5, "median_price_m2": 2130}}}, {"name": "Rue de Saint James", "slug": "rue-de-saint-james", "sales": 5, "prices": {"Maison": {"count": 5, "median_price_m2": 2155}}}]}, "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/lanvallay-22100", "more_on_website": {"url": "https://immobilix.app/map/commune/22118", "content": "Carte de chaque bâtiment : historique des ventes, logements, DPE, estimation de prix par logement."}}