# United Kingdom CPIH INDEX 04.5.2 : GAS 2015=100 ()

United Kingdom CPIH INDEX 04.5.2 : GAS 2015=100 () was up 9.8% year on year in September 2026, compared with 8.6% in August 2026.
The level stood at 161.6 (index (2015=100)).
That is the highest reading since September 2025.
Over the past ten years it has ranged from −37.5% (Apr 2024) to 129.3% (Jan 2023), averaging 9.1%.

- Source agency: UK Office for National Statistics
- Makrognosis code: `UK.CPIH.M.NSA.COICOP-04-5-2`
- Frequency: monthly
- Units: index (2015=100)
- Coverage: 1988-01-01 to 2026-09-01 (465 observations)
- Page: https://makrognosis.robomacro.com/data/united-kingdom/cpih-index-04-5-2-gas-2015-100

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 161.6 | 9.8 |
| August 2026 | 159.9 | 8.6 |
| July 2026 | 159.0 | 7.9 |
| June 2026 | 138.6 | −12.7 |
| May 2026 | 137.8 | −13.1 |
| April 2026 | 137.1 | −13.6 |
| March 2026 | 143.4 | −2.8 |
| February 2026 | 142.9 | −3.1 |
| January 2026 | 143.4 | −2.7 |
| December 2025 | 148.5 | 2.1 |
| November 2025 | 148.6 | 2.1 |
| October 2025 | 148.6 | 2.1 |
| September 2025 | 147.2 | 13.0 |
| August 2025 | 147.2 | 13.0 |
| July 2025 | 147.3 | 13.0 |
| June 2025 | 158.7 | 12.3 |
| May 2025 | 158.6 | 12.2 |
| April 2025 | 158.6 | 12.2 |
| March 2025 | 147.5 | −12.0 |
| February 2025 | 147.5 | −12.0 |
| January 2025 | 147.4 | −12.1 |
| December 2024 | 145.5 | −7.3 |
| November 2024 | 145.5 | −7.3 |
| October 2024 | 145.5 | −7.3 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/UK.CPIH.M.NSA.COICOP-04-5-2"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/UK.CPIH.M.NSA.COICOP-04-5-2",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```