United Kingdom RPI: all items exc. mortgage interest payments and depreciation (Jan 1987=100) ()
MonthlyNot seasonally adjustedCode UK.RPI.M.NSA.ITEM-CHON
United Kingdom RPI: all items exc. mortgage interest payments and depreciation (Jan 1987=100) () was up 4.2% year on year in September 2026, compared with 3.6% in August 2026.
The level stood at 405.4 (index (1987=100)).
Over the past ten years it has ranged from 0.5% (Aug 2020) to 14.2% (Oct 2022), averaging 4.6%.
Showing the full history (downsampled for display). Open the interactive chart to zoom and switch transforms.
Recent data
| Period | Value | Y/Y % |
|---|---|---|
| September 2026 | 405.4 | 4.2 |
| August 2026 | 405.0 | 3.6 |
| July 2026 | 402.5 | 3.3 |
| June 2026 | 400.2 | 3.1 |
| May 2026 | 399.2 | 3.3 |
| April 2026 | 398.3 | 3.2 |
| March 2026 | 395.0 | 4.4 |
| February 2026 | 391.6 | 3.8 |
| January 2026 | 389.7 | 3.9 |
| December 2025 | 392.0 | 4.4 |
| November 2025 | 389.0 | 4.0 |
| October 2025 | 390.6 | 4.4 |
| September 2025 | 389.1 | 4.6 |
| August 2025 | 391.0 | 4.6 |
| July 2025 | 389.5 | 4.8 |
| June 2025 | 388.1 | 4.5 |
| May 2025 | 386.5 | 4.1 |
| April 2025 | 385.8 | 4.3 |
| March 2025 | 378.3 | 2.9 |
| February 2025 | 377.2 | 3.1 |
| January 2025 | 375.1 | 3.3 |
| December 2024 | 375.6 | 3.1 |
| November 2024 | 374.1 | 3.3 |
| October 2024 | 374.0 | 3.1 |
Last 24 observations. The full history (477 observations) is available through the API.
One guessable code, agency-direct, updated on release. Free tier available.
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
"https://makrognosis.robomacro.com/v1/series/UK.RPI.M.NSA.ITEM-CHON"
# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/UK.RPI.M.NSA.ITEM-CHON",
headers={"X-API-Key": KEY})
obs = r.json()["observations"]
Get a free API key → · API docsAbout this series
| Latest observation | September 2026 |
|---|---|
| First observation | January 1987 |
| Observations | 477 |
| Frequency | Monthly |
| Units | index (1987=100) |
| Adjustment | Not seasonally adjusted |
| 10-year high | 14.2% (Oct 2022) |
| 10-year low | 0.5% (Aug 2020) |
| 10-year average | 4.6% |
| Source agency | UK Office for National Statistics |
| Makrognosis code | UK.RPI.M.NSA.ITEM-CHON |
More United Kingdom RPI series
Other United Kingdom indicators
FAQ
- What is the current rPI: all items exc. mortgage interest payments and depreciation (Jan 1987=100) () in United Kingdom?
- The latest reading is 4.2% year on year for September 2026, published by UK Office for National Statistics.
- Where does this data come from?
- It is collected directly from UK Office for National Statistics and is available through the Makrognosis API under the code UK.RPI.M.NSA.ITEM-CHON.
Last updated 2026-10-21. Source: UK Office for National Statistics. Original title: “RPI: all items exc. mortgage interest payments and depreciation (Jan 1987=100) (UK)”.