{"code": "29297", "name": "Tréméven", "department": "29", "postcode": "29300", "population": 2402, "data_status": "complete", "prices": {"appartement": null, "maison": {"year": 2026, "sale_count": 8, "median_price_m2": 1784}}, "prices_period": "janv.–juin 2026", "data_through": "2026-06-30", "price_series": [{"year": 2021, "period": "2021", "type": "Maison", "median_price_m2": 1638, "sale_count": 38}, {"year": 2022, "period": "2022", "type": "Maison", "median_price_m2": 2028, "sale_count": 40}, {"year": 2023, "period": "2023", "type": "Maison", "median_price_m2": 2230, "sale_count": 36}, {"year": 2024, "period": "2024", "type": "Maison", "median_price_m2": 2159, "sale_count": 44}, {"year": 2025, "period": "2025", "type": "Maison", "median_price_m2": 1956, "sale_count": 21}, {"year": 2026, "period": "janv.–juin 2026", "type": "Maison", "median_price_m2": 1784, "sale_count": 8}], "change_1y": {"Maison": {"from": 2024, "to": 2025, "pct": -9}}, "quartiers": [{"code": "292970000", "name": "Tréméven", "prices": {"Maison": {"count": 68, "median_price_m2": 2072}}, "vs_commune_pct": {"Maison": 0}}], "counts": {"buildings": 1899, "units": 1448, "sales_dvf": 216}, "demographics": null, "summary": "Le prix médian des maisons est de 1 784 €/m² en 2026, en hausse de 9 % depuis 2021. 187 ventes d'appartements et de maisons analysées depuis 2021.", "prices_3_years": {"window": {"to": "2026-06-30", "from": "2023-07-01"}, "appartement": {"count": null, "median_price_m2": null}, "maison": {"count": 68, "median_price_m2": 2072}}, "street_prices": {"page": "https://immobilix.app/prix-immobilier/tremeven-29300/rues", "markdown": "https://immobilix.app/api/commune/29297/rues.md", "json": "https://immobilix.app/api/commune/29297/rues.json", "top": [{"name": "Rue du Faouët", "slug": "rue-du-faouet", "sales": 6, "prices": {"Maison": {"count": 6, "median_price_m2": 2134}}}, {"name": "Rue des Genêts", "slug": "rue-des-genets", "sales": 5, "prices": {"Maison": {"count": 5, "median_price_m2": 1379}}}]}, "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/tremeven-29300", "more_on_website": {"url": "https://immobilix.app/map/commune/29297", "content": "Carte de chaque bâtiment : historique des ventes, logements, DPE, estimation de prix par logement."}}