France building index BT06: reinforced concrete structures
France building index BT06: reinforced concrete structures stood at 137 in Aug 2026, according to INSEE – Institut national de la statistique et des études économiques (BDM). It is one of the indicators in the Construction cost indices table (Value · Monthly), with a complete series running from Oct 2014 to Aug 2026. The complete series with an interactive chart, free to download.
This indicator in the Construction cost indices table
| Indicator | 08-2026 | 07-2026 | 06-2026 | 05-2026 | 04-2026 | 03-2026 | 02-2026 | 01-2026 | 12-2025 | 11-2025 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Building index - BT06 - Framework, reinforced concrete structures - Base 2010 | 137 | 136.5 | 136 | 135.6 | 135.8 | 134.3 | 133.5 | 133 | 132.2 | 131.8 | |
| Building index - BT07 - Framework and metal frames - Base 2010 | 152.8 | 152.9 | 150.8 | 151.2 | 150.4 | 146.5 | 144.6 | 144.6 | 143.8 | 143.4 | |
| Building index - BT08 - Plaster and prefabricated plaster - Base 2010 | 134 | 134 | 133.2 | 132.8 | 132.1 | 130.7 | 130.1 | 129.5 | 128.4 | 128.6 |
Understanding france building index BT06: reinforced concrete structures
This statistical series monitors price shifts for structural frameworks and reinforced concrete building components, capturing the primary load-bearing skeleton of modern edifices. The compilation aggregates costs for reinforcing steel bars, ready-mix concrete, formwork timber, and the specialized labor required for on-site casting and structural assembly. It is distinct from masonry and general brickwork indices by focusing strictly on heavy load-bearing concrete architecture rather than partitioning walls or decorative block assemblies.
Analysts should read this measure alongside raw steel and cement commodity indicators to anticipate medium-term cost pressures in structural engineering. Seasonal slowdowns during winter months can impact pouring schedules, meaning annual comparisons provide a clearer picture of sustained cost trends than isolated monthly fluctuations. Revisions to early estimates occur when delayed contractor surveys are processed by statistical compilers.
Frequently asked questions
- What core materials drive the movement of this index?
- Ready-mix concrete, structural reinforcing steel, and timber used for formwork are the primary cost drivers.
- Does this series include precast concrete elements?
- Precast structural elements are captured here or in specialized structural groupings, whereas drainage pipes and basic blocks fall under separate masonry classifications.
- Why might monthly figures be revised after initial publication?
- Early estimates often rely on partial survey responses from contractors, which are subsequently updated when comprehensive pricing returns are processed.