{"meta":{"source":"Insee","attribution":"Source : Insee, index BT, TP et divers de la construction (base 2010)","base":"2010","latestPeriod":"2026-08","publishedOn":"2026-10-16","fetchedAt":"2026-11-12T17:05:05.253Z","live":true,"stale":false,"nextPublication":{"date":"2026-11-13","confirmed":true}},"indices":[{"code":"TP01","label":"Index général tous travaux","period":"2026-08","value":141.2,"change12m":7.46},{"code":"TP02","label":"Travaux de génie civil et d'ouvrages d'art neufs ou rénovation","period":"2026-08","value":142.6,"change12m":4.78},{"code":"TP03a","label":"Grands terrassements","period":"2026-08","value":144.9,"change12m":8.3},{"code":"TP03b","label":"Travaux à l'explosif","period":"2026-08","value":131.6,"change12m":11.34},{"code":"TP04","label":"Fondations et travaux géotechniques","period":"2026-08","value":141,"change12m":6.25},{"code":"TP05a","label":"Travaux en souterrains traditionnels","period":"2026-08","value":141.5,"change12m":4.66},{"code":"TP05b","label":"Travaux en souterrains avec tunnelier","period":"2026-08","value":141.5,"change12m":4.04},{"code":"TP06a","label":"Grands dragages maritimes","period":"2026-08","value":160.3,"change12m":16.5},{"code":"TP06b","label":"Dragages fluviaux et petits dragages maritimes","period":"2026-08","value":146.8,"change12m":11.04},{"code":"TP07b","label":"Travaux de génie civil, béton et acier pour ouvrages maritimes et fluviaux","period":"2026-08","value":146.3,"change12m":8.21},{"code":"TP08","label":"Travaux d'aménagement et entretien de voirie en zones rurale et urbaine","period":"2026-08","value":140.1,"change12m":8.35},{"code":"TP09","label":"Fabrication et mise en œuvre d'enrobés","period":"2026-08","value":138.9,"change12m":11.75},{"code":"TP10b","label":"Canalisations sans fourniture de tuyaux","period":"2026-08","value":139.5,"change12m":4.49},{"code":"TP10c","label":"Réhabilitation de canalisations non visitables","period":"2026-08","value":139.9,"change12m":7.2},{"code":"TP10d","label":"Réseaux de chauffage et de froid avec fourniture de tuyaux","period":"2026-08","value":132.9,"change12m":5.23},{"code":"TP10e","label":"Canalisations, assainissement et adduction d’eau avec fourniture de tuyaux en fonte majoritaire","period":"2026-08","value":136.7,"change12m":4.99},{"code":"TP10f","label":"Canalisation, assainissement et d'adduction d'eau avec fourniture de tuyaux multi-matériaux","period":"2026-08","value":139.9,"change12m":6.63},{"code":"TP11","label":"Canalisations grandes distances de transport / transfert avec fourniture de tuyaux","period":"2026-08","value":138.8,"change12m":5.31},{"code":"TP12a","label":"Réseaux d'énergie et de communication hors fibre optique","period":"2026-08","value":144.4,"change12m":7.92},{"code":"TP12b","label":"Éclairage public - Travaux d'installation","period":"2026-08","value":135.1,"change12m":5.38},{"code":"TP12c","label":"Éclairage public - Travaux de maintenance","period":"2026-08","value":135.5,"change12m":4.23},{"code":"TP12d","label":"Réseaux de communication en fibre optique","period":"2026-08","value":132.2,"change12m":5.51},{"code":"TP13a","label":"Charpentes et ouvrages d'art métalliques","period":"2026-08","value":155.4,"change12m":0.97},{"code":"TP13b","label":"Charpentes et ouvrages d’art métalliques hors fourniture des aciers","period":"2026-08","value":141.8,"change12m":4.19},{"code":"BT01","label":"Tous corps d'état","period":"2026-08","value":139.4,"change12m":4.26},{"code":"BT02","label":"Terrassements","period":"2026-08","value":148,"change12m":8.03},{"code":"BT03","label":"Maçonnerie et canalisations en béton (sauf ossature, béton armé, carrelage, revêtements et plâtrerie)","period":"2026-08","value":140.7,"change12m":3.53},{"code":"BT06","label":"Ossature, ouvrages en béton armé","period":"2026-08","value":137,"change12m":3.55},{"code":"BT07","label":"Ossature et charpentes métalliques","period":"2026-08","value":152.8,"change12m":3.95},{"code":"BT08","label":"Plâtre et préfabriqués","period":"2026-08","value":134,"change12m":4.04},{"code":"BT09","label":"Carrelage et revêtement céramique","period":"2026-08","value":135.3,"change12m":3.2},{"code":"BT10","label":"Revêtements en plastiques","period":"2026-08","value":142.7,"change12m":3.48},{"code":"BT11","label":"Revêtements en textiles","period":"2026-08","value":148.2,"change12m":4},{"code":"BT14","label":"Revêtements en plaque de pierre naturelle sciée et produits assimilés","period":"2026-08","value":142.8,"change12m":2.07},{"code":"BT16b","label":"Charpente bois","period":"2026-08","value":146.3,"change12m":4.8},{"code":"BT18a","label":"Menuiserie intérieure en bois","period":"2026-08","value":142.2,"change12m":4.33},{"code":"BT19b","label":"Menuiserie extérieure en bois","period":"2026-08","value":147.1,"change12m":4.03},{"code":"BT26","label":"Fermeture de baies en plastique y compris fenêtre PVC","period":"2026-08","value":136.3,"change12m":1.49},{"code":"BT27","label":"Fermeture de baies en aluminium","period":"2026-08","value":148.9,"change12m":7.05},{"code":"BT28","label":"Fermeture de baies en métal ferreux","period":"2026-08","value":141.3,"change12m":8.86},{"code":"BT30","label":"Couverture en ardoises de schiste","period":"2026-08","value":153.4,"change12m":3.44},{"code":"BT32","label":"Couverture en tuiles en terre cuite","period":"2026-08","value":149.3,"change12m":4.92},{"code":"BT33","label":"Couverture en tuiles en béton","period":"2026-08","value":141.5,"change12m":5.28},{"code":"BT34","label":"Couverture en zinc et en métal (sauf cuivre)","period":"2026-08","value":151.1,"change12m":8.01},{"code":"BT35","label":"Couverture en bardeaux bitumés","period":"2026-08","value":154.5,"change12m":5.75},{"code":"BT38","label":"Plomberie sanitaire (y compris appareils)","period":"2026-08","value":149.4,"change12m":8.58},{"code":"BT40","label":"Chauffage central (à l'exclusion du chauffage électrique)","period":"2026-08","value":133.5,"change12m":2.61},{"code":"BT41","label":"Ventilation et conditionnement d'air","period":"2026-08","value":141,"change12m":3.68},{"code":"BT42","label":"Menuiserie en acier et serrurerie","period":"2026-08","value":145.7,"change12m":4.67},{"code":"BT43","label":"Menuiserie en alliage d'aluminium","period":"2026-08","value":143.7,"change12m":5.04},{"code":"BT45","label":"Vitrerie - 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