Factory gate prices for UK-manufactured goods increased 4.76% year-on-year in September 2026, accelerating from an upwardly revised 3.8% rise in August and surpassing expectations of 4.3% to mark the fastest increase since April 2023. Eight of the 10 product groups made upward contributions to the annual rate, led by a jump in prices of coke and refined petroleum products (63.3% vs. 50.8% in August) amid higher energy costs. On a monthly basis, factory gate prices climbed 0.8%, following a 0.7% rise in August and exceeding forecasts of 0.7%, marking the fastest pace in five months.