LONDON, April 1 (Reuters) - British factory cost pressures soared in March and delivery delays - due to ships avoiding the Strait of Hormuz - were the longest since mid-2022, according to a survey that laid bare the impact of the Middle East conflict.
The final version of S&P Global's UK Manufacturing Purchasing Managers' Index for March fell to 51.0, below a preliminary estimate of 51.4 and February's 51.7.
The survey's closely watched output gauge fell to 49.2, its first contraction since September,
down from 52.5 in February. Growth in new orders slowed.
Manufacturers' input costs rose at the fastest pace since October 2022 at 71.0 and the change from February represented the biggest month-on-month jump in the index since October 1992 after Britain left the European Exchange Rate Mechanism.
March's input costs measure was slightly higher than a preliminary reading of 70.2 and mainly reflected rising oil and gas prices, as well as higher transportation costs caused by the escalating Middle East conflict, S&P said.
Output prices rose by the most in nearly a year as manufacturers began to pass their increased costs to customers.
"The war in the Middle East and ongoing concerns about domestic economic policy led to a scaling back of production," Rob Dobson, director at S&P Global Market Intelligence, said.
Dobson said the growth in new orders suggested the drop in production probably reflected supply issue rather than a fall in demand although demand would be tested without a swift resolution to the war.
Delays to deliveries increased at the fastest pace since July 2022 as ships rerouted away from the Strait of Hormuz which Iran effectively closed after the U.S.-Israeli attacks on Iran which began in late February.
The data underscored the Bank of England's dilemma.
Investors expect the BoE to raise rates two or possibly three times this year as it tries to stop higher inflation caused by the war from becoming a long-term problem for Britain's economy.
But most economists polled by Reuters think the central bank is likely to hold off until it has a clearer idea of the scale of the conflict's impact. The already weak pace of economic growth could reduce the inflationary risks, they say.
The manufacturing PMI's employment index fell for the 17th month in a row and at the fastest pace in seven months. Firms' optimism about the year ahead hit a six-month low.
(Reporting by Suban Abdulla; Editing by Hugh Lawson)
