BT01 Index - National Building Index (all trades) | 2025 update

The BT01 index is the national building index (all trades). It measures the evolution of the cost of production factors in the building industry and is the official reference for the updating and revision of construction contract prices.

2024/03/18

2024/12/23

BT01 2024 – National Building Index (all trades)

The BT01 2024 index is France’s national construction index (all trades). It measures changes in the cost of factors of production in the building industry …

2024/10/19

BT01 2023 – National Building Index (all trades)

The BT01 2023 index is France’s national construction index (all trades). It measures changes in the cost of factors of production in the building industry …

2024/11/07

BT01 2022 – National Building Index (all trades)

The BT01 2022 index is France’s national construction index (all trades). It measures changes in the cost of factors of production in the building industry …

2024/10/19

BT01 2021 – National Building Index (all trades)

The BT01 2021 index is France’s national construction index (all trades). It measures changes in the cost of factors of production in the building industry …

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