# United Kingdom 04.4.3 Sewerage collection IDEF NSA 2023=100 ()

United Kingdom 04.4.3 Sewerage collection IDEF NSA 2023=100 () was up 5.8% year on year in Q2 2026, compared with 25.9% in Q1 2026.
The level stood at 135.4 (index (2023=100)).
That is the lowest reading since Q1 2023.
Over the past ten years it has ranged from −4.7% (Q1 2021) to 26.0% (Q4 2025), averaging 5.2%.

- Source agency: UK Office for National Statistics
- Makrognosis code: `UK.HHCONS.Q.NSA.COICOP-04-4-3.MEASURE-IDEF`
- Frequency: quarterly
- Units: index (2023=100)
- Coverage: 1997-01-01 to 2026-04-01 (118 observations)
- Page: https://makrognosis.robomacro.com/data/united-kingdom/04-4-3-sewerage-collection-idef-nsa-2023-100

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| Q2 2026 | 135.4 | 5.8 |
| Q1 2026 | 128.0 | 25.9 |
| Q4 2025 | 128.1 | 26.0 |
| Q3 2025 | 128.0 | 25.5 |
| Q2 2025 | 128.0 | 24.9 |
| Q1 2025 | 101.7 | 8.3 |
| Q4 2024 | 101.7 | 8.8 |
| Q3 2024 | 102.0 | 9.1 |
| Q2 2024 | 102.5 | 9.2 |
| Q1 2024 | 93.90 | 7.7 |
| Q4 2023 | 93.50 | 8.5 |
| Q3 2023 | 93.50 | 8.0 |
| Q2 2023 | 93.90 | 8.3 |
| Q1 2023 | 87.20 | 3.7 |
| Q4 2022 | 86.20 | 3.2 |
| Q3 2022 | 86.60 | 3.1 |
| Q2 2022 | 86.70 | 3.6 |
| Q1 2022 | 84.10 | 1.6 |
| Q4 2021 | 83.50 | 1.1 |
| Q3 2021 | 84.00 | 1.3 |
| Q2 2021 | 83.70 | 0.7 |
| Q1 2021 | 82.80 | −4.7 |
| Q4 2020 | 82.60 | −3.8 |
| Q3 2020 | 82.90 | −4.3 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/UK.HHCONS.Q.NSA.COICOP-04-4-3.MEASURE-IDEF"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/UK.HHCONS.Q.NSA.COICOP-04-4-3.MEASURE-IDEF",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```