# Belgium Construction production, buildings (NACE F41), index 2021=100, SA

Belgium Construction production, buildings (NACE F41), index 2021=100, SA was down 1.3% year on year in September 2026, compared with −2.7% in August 2026.
The level stood at 91.20 (index).
Over the past ten years it has ranged from −25.0% (Apr 2020) to 19.0% (Apr 2021), averaging −1.4%.

- Source agency: Eurostat (Statistical Office of the European Union)
- Makrognosis code: `BE.CONSTR.M.SA.NACE-F41`
- Frequency: monthly
- Units: index
- Coverage: 2000-01-01 to 2026-09-01 (321 observations)
- Page: https://makrognosis.robomacro.com/data/belgium/construction-production-buildings-nace-f41-index-2021-100-sa

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 91.20 | −1.3 |
| August 2026 | 91.50 | −2.7 |
| July 2026 | 91.90 | −2.5 |
| June 2026 | 89.20 | −5.5 |
| May 2026 | 91.80 | −0.8 |
| April 2026 | 92.40 | −2.3 |
| March 2026 | 93.30 | 0.8 |
| February 2026 | 92.90 | −0.2 |
| January 2026 | 94.90 | 0.7 |
| December 2025 | 92.70 | −1.1 |
| November 2025 | 92.80 | −2.8 |
| October 2025 | 92.50 | −1.2 |
| September 2025 | 92.40 | −0.9 |
| August 2025 | 94.00 | 2.4 |
| July 2025 | 94.30 | −1.0 |
| June 2025 | 94.40 | 1.0 |
| May 2025 | 92.50 | −1.0 |
| April 2025 | 94.60 | 2.0 |
| March 2025 | 92.60 | −5.1 |
| February 2025 | 93.10 | −2.4 |
| January 2025 | 94.20 | 2.2 |
| December 2024 | 93.70 | −3.9 |
| November 2024 | 95.50 | 2.2 |
| October 2024 | 93.60 | 0.8 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/BE.CONSTR.M.SA.NACE-F41"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/BE.CONSTR.M.SA.NACE-F41",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```