final official release

United Kingdom CPI 2026-09: 3.5% y/y

Published 21 October 2026 by Office for National Statistics. This page preserves the stored official vintage and subsequent revisions.

Headline
3.5% y/y
CPIH
0.4% m/m
Release stage
final
Stored vintage
v1

Official measures

CPIH

0.4% m/m

CPIH

3.6% y/y

Headline CPI

0.4% m/m

Headline CPI

3.5% y/y

Source and disclosure

Figures should be checked against the linked official publication before being relied upon. Release availability and delivery depend on the upstream publisher.

View the official publication