The headline rate of inflation for goods leaving the factory gate (output prices) rose 3.3% on the year to September 2017, from 3.4% in August 2017.

Prices for materials and fuels (input prices) rose 8.4% on the year to September 2017, which is unchanged from August 2017.

Upward contributions from energy were offset by downward contributions from other industries, resulting in little change in the annual rates for both input and output prices.

Core output inflation was 2.5% on the year to September 2017, which is unchanged since July 2017.