# United Kingdom CPI INDEX 01.1.3 : FISH 2015=100 ()

United Kingdom CPI INDEX 01.1.3 : FISH 2015=100 () was up 8.3% year on year in September 2026, compared with 6.6% in August 2026.
The level stood at 143.1 (index (2015=100)).
That is the highest reading since September 2023.
Over the past ten years it has ranged from −6.2% (Apr 2021) to 19.6% (Dec 2022), averaging 3.6%.

- Source agency: UK Office for National Statistics
- Makrognosis code: `UK.CPI.M.NSA.COICOP-01-1-3`
- Frequency: monthly
- Units: index (2015=100)
- Coverage: 1988-01-01 to 2026-09-01 (465 observations)
- Page: https://makrognosis.robomacro.com/data/united-kingdom/cpi-index-01-1-3-fish-2015-100

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 143.1 | 8.3 |
| August 2026 | 140.8 | 6.6 |
| July 2026 | 140.4 | 7.1 |
| June 2026 | 138.3 | 3.6 |
| May 2026 | 136.4 | 2.0 |
| April 2026 | 138.1 | 5.7 |
| March 2026 | 135.6 | 4.5 |
| February 2026 | 135.6 | 2.1 |
| January 2026 | 134.5 | 1.3 |
| December 2025 | 133.8 | 1.1 |
| November 2025 | 132.9 | −0.4 |
| October 2025 | 132.7 | 0.3 |
| September 2025 | 132.1 | −1.6 |
| August 2025 | 132.1 | 0.5 |
| July 2025 | 131.1 | −1.8 |
| June 2025 | 133.5 | −0.4 |
| May 2025 | 133.7 | 0.1 |
| April 2025 | 130.7 | −2.2 |
| March 2025 | 129.7 | −2.2 |
| February 2025 | 132.8 | −0.7 |
| January 2025 | 132.8 | −1.0 |
| December 2024 | 132.4 | −3.3 |
| November 2024 | 133.4 | −3.5 |
| October 2024 | 132.3 | −3.3 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/UK.CPI.M.NSA.COICOP-01-1-3"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/UK.CPI.M.NSA.COICOP-01-1-3",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```