New social housing cost per m²: Île-de-France
New social housing cost per m²: Île-de-France stood at 3,813 EUR per m² in 2025, according to INSEE – Institut national de la statistique et des études économiques (BDM). It is one of the indicators in the Housing stock and social housing table (Value · Annual), with a complete series running from 2018 to 2025. The complete series with an interactive chart, free to download.
This indicator in the Housing stock and social housing table
| Indicator | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
| New dwellings: median cost per m² | |||||||||
| New dwellings: median cost per m²: Île-de-France | 3,813 | 3,752 | 3,413 | 3,280 | 3,209 | 3,220 | 3,030 | 2,987 | |
| New dwellings: median cost per m²: Centre-Val de Loire | 2,486 | 2,645 | 2,247 | 2,186 | 2,138 | 2,046 | 2,085 | 2,047 |
Understanding new social housing cost per m²: Île-de-France
Measuring construction expenses for newly built social housing within Île-de-France requires calculating the median cost per square meter of useful floor area across recently delivered residential projects. The compilation processes project-level financial declarations from social landlords, capturing land acquisition, construction materials, engineering fees, and technical studies. It strictly isolates newly constructed public housing from historical building acquisitions, major rehabilitations, and private real estate developments. Geographic boundaries encompass the entire regional administrative territory, reflecting high-density land values and strict construction standards.
Interpreting this median metric requires awareness of how land scarcity and regional building regulations heavily influence upfront capital expenditures. Analysts should examine multi-year trends rather than single-period shifts, as construction cost inflation and project delivery timing create volatility. Revisions occur when final project accounting replaces provisional estimates submitted at the construction permit stage. Users must avoid comparing these figures directly with standard residential real estate sales prices, as social housing projects include specific regulatory requirements and development constraints.
Frequently asked questions
- What specific expenses are bundled into this construction cost measure?
- The metric covers land purchase, raw building materials, architectural fees, and technical engineering outlays.
- Does this series include renovated or refurbished social housing?
- No, the dataset is restricted exclusively to newly constructed social dwellings.
- Why is the median used instead of the mathematical average?
- The median protects the indicator from being skewed by exceptionally large or high-cost urban development projects.