Core Retail Price Index (RPI) inflation in the United Kingdom remained unchanged in August 2026, holding at 0.6% month-on-month, according to data updated on 16 September 2026. The figure matches July 2026’s Core RPI reading of 0.6%, indicating a steady pace of underlying price growth.
On a month-over-month basis, the “Actual” reading for August reflects the change in prices compared with July, while the “Previous” figure captures July’s change versus June. With both months posting identical 0.6% gains, the data suggest that core price pressures are neither accelerating nor easing on this short-term comparison.
The stability in Core RPI may be closely watched by markets and policymakers as they assess the trajectory of underlying inflation, stripped of more volatile components, and its implications for future economic and monetary policy decisions in the UK.
