The BT01 Index for September 2024 was published in the Official Journal on 11/17/2024.
The value of the BT01 Index for September 2024 is 131.2 to 130.2 in September 2023, an annual increase of 0.77% over 12 rolling months. The September index decreased by -0.38% from the last month from the previous month (131.7 in August 2024).
Contents
BT01 index variation table for September 2024
| Index BT01 September 2024 | Index BT01 August 2024 | Index BT01 September 2023 | |
| Value of BT01 index | 131.2 | 131.7 | 130.2 |
| Variation in % compared to the base | Down -0.38% | Up +0.77% |
Official source: INSEE.
Our BT01 index evolution table for 2024 has been updated here:
Table of BT01 indices for 2024 (national index for all building trades):
The BT01 Index (base 100 in 2010) measures changes in the cost of factors of production in the Building Industry (salaries and expenses, cost of materials, energy, etc.). It is the official reference for updating and revising construction contract prices.
The Index is published each month by INSEE with a 2-month delay. It thus succeeded the Index of the Building and Public Works (1974 and 1975), which was stopped. Most companies in various construction trades (electricity, painting, masonry, etc.) are concerned with the BT01 Index.
Download the values of all BT indexes for September 2024:
Frequently Asked Questions about the BT01 Index for September 2024
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