# United Kingdom IOP: 30.1:Building of ships and boats: CVMNSA ()

United Kingdom IOP: 30.1:Building of ships and boats: CVMNSA () was down 6.4% year on year in September 2026, compared with −3.0% in August 2026.
The level stood at 109.2 (index).
That is the lowest reading since September 2021.
Over the past ten years it has ranged from −33.1% (Apr 2020) to 55.8% (Apr 2021), averaging 14.0%.

- Source agency: UK Office for National Statistics
- Makrognosis code: `UK.IP.M.NSA.NACE-C30-1`
- Frequency: monthly
- Units: index
- Coverage: 1990-01-01 to 2026-09-01 (441 observations)
- Page: https://makrognosis.robomacro.com/data/united-kingdom/iop-30-1-building-of-ships-and-boats-cvmnsa

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 109.2 | −6.4 |
| August 2026 | 112.6 | −3.0 |
| July 2026 | 114.9 | −0.3 |
| June 2026 | 118.4 | 3.3 |
| May 2026 | 118.5 | 4.4 |
| April 2026 | 118.8 | 4.9 |
| March 2026 | 119.0 | 6.0 |
| February 2026 | 119.1 | 7.2 |
| January 2026 | 118.9 | 8.2 |
| December 2025 | 118.6 | 9.8 |
| November 2025 | 118.0 | 10.9 |
| October 2025 | 117.3 | 12.2 |
| September 2025 | 116.7 | 13.7 |
| August 2025 | 116.1 | 15.0 |
| July 2025 | 115.3 | 15.6 |
| June 2025 | 114.6 | 15.5 |
| May 2025 | 113.5 | 15.0 |
| April 2025 | 113.2 | 16.3 |
| March 2025 | 112.3 | 16.7 |
| February 2025 | 111.1 | 17.9 |
| January 2025 | 109.9 | 19.3 |
| December 2024 | 108.0 | 20.4 |
| November 2024 | 106.4 | 23.1 |
| October 2024 | 104.5 | 25.1 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/UK.IP.M.NSA.NACE-C30-1"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/UK.IP.M.NSA.NACE-C30-1",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```