United Kingdom Inflation Calculator
Official data verified · CPI (ONS) · Annual average · Not seasonally adjusted · Data through September 2026 (fetched 2026-11-02) · CPI All items (D7BT), MM23 dataset
Latest British CPI (official)
The CPI (ONS) index stood at 144.1 in September 2026, up 3.4% over the past 12 months. The 2026 annual average so far is 142.0 (partial year).
Explore
- United Kingdom inflation rate by year — the full 1988–2026 table.
- How we calculate for United Kingdom — series, basis and conventions.
Popular years
Every figure is calculated from the published British index and can be verified on each page.