# United Kingdom CPI INDEX 01.1.5.1 Butter 2015=100 ()

United Kingdom CPI INDEX 01.1.5.1 Butter 2015=100 () was down 6.2% year on year in September 2026, compared with −7.0% in August 2026.
The level stood at 163.1 (index (2015=100)).
Over the past ten years it has ranged from −11.7% (Mar 2024) to 29.7% (Oct 2022), averaging 6.3%.

- Source agency: UK Office for National Statistics
- Makrognosis code: `UK.CPI.M.NSA.COICOP-01-1-5-1`
- Frequency: monthly
- Units: index (2015=100)
- Coverage: 2015-01-01 to 2026-09-01 (141 observations)
- Page: https://makrognosis.robomacro.com/data/united-kingdom/cpi-index-01-1-5-1-butter-2015-100

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 163.1 | −6.2 |
| August 2026 | 163.5 | −7.0 |
| July 2026 | 163.9 | −5.3 |
| June 2026 | 163.6 | −6.6 |
| May 2026 | 168.8 | −2.8 |
| April 2026 | 166.5 | −4.0 |
| March 2026 | 168.8 | 0.0 |
| February 2026 | 171.4 | −1.1 |
| January 2026 | 172.9 | 1.3 |
| December 2025 | 174.9 | 8.9 |
| November 2025 | 173.9 | 12.0 |
| October 2025 | 176.5 | 14.3 |
| September 2025 | 173.9 | 17.4 |
| August 2025 | 175.8 | 18.9 |
| July 2025 | 173.1 | 17.8 |
| June 2025 | 175.1 | 20.0 |
| May 2025 | 173.6 | 18.2 |
| April 2025 | 173.4 | 19.8 |
| March 2025 | 168.8 | 19.0 |
| February 2025 | 173.3 | 18.6 |
| January 2025 | 170.6 | 18.3 |
| December 2024 | 160.6 | 10.2 |
| November 2024 | 155.2 | 7.8 |
| October 2024 | 154.4 | 5.5 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/UK.CPI.M.NSA.COICOP-01-1-5-1"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/UK.CPI.M.NSA.COICOP-01-1-5-1",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```