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UK builders report biggest leap in cost inflation on record, PMI shows

Published by Global Banking & Finance Review

Posted on April 8, 2026

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· Last updated: April 9, 2026

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UK builders report biggest leap in cost inflation on record, PMI shows
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LONDON, April 8 (Reuters) - British construction firms reported the biggest rise in cost inflation from one month to the next on record in March and the Iran war also hit new orders and confidence in

UK Builders Report Record Surge in Cost Inflation Amid Falling Orders

March 2024 Construction Sector Overview

Record Cost Inflation and Impact of Iran War

LONDON, April 8 (Reuters) - British construction firms reported the biggest rise in cost inflation from one month to the next on record in March and the Iran war also hit new orders and confidence in the sector, a survey showed on Wednesday.

S&P Global's UK Construction Purchasing Managers' Index (PMI) measure of input cost inflation leapt to 70.5 from 59.5 in February, the biggest such jump since the series began in 1997 and reaching its highest level outright since November 2022.

Comparison with Manufacturing Sector

British manufacturers last week reported the biggest month-on-month jump in the rate at which their cost burdens are increasing since October 1992.

Decline in New Orders and Output Expectations

New orders for construction firms fell at the fastest pace since November last year and a recent recovery in expectations for future output among businesses faded.

S&P Global's headline index for the construction sector remained below the 50.0 growth threshold for the 15th month in a row although it edged up slightly to 45.6 from 44.5 in February.

Official Construction Data

The most recent official construction data showed a 0.2% rise in output in January after shrinking 2% in the final quarter of 2025.

Sector Outlook and Challenges

Infrastructure and Energy Sector Developments

Tim Moore, economics director at S&P Global Market Intelligence, said some businesses reported a turnaround in infrastructure work, especially in the energy sector, but the near-term outlook for the sector as a whole was challenging.

Inflation, Economic Prospects, and Supply Chain Issues

Rising Pressures and Borrowing Costs

Rising inflation pressures, gloomy economic prospects and higher borrowing costs were worrying executives while shipping delays caused by disruption in the Strait of Hormuz meant supply chain performance worsened for the first time since mid-2025.

All-Sector PMI Performance

The all-sector PMI - which includes manufacturers and services firms, which have reported similar fallout from the war in Iran - dropped to 49.9 from 52.9 in February, reaching its lowest since last September.

(Writing by William Schomberg; Editing by Hugh Lawson)

Key Takeaways

  • Input cost inflation in construction surged to 70.5 in March, the largest monthly leap since the PMI began in 1997 and highest level since November 2022, indicating acute price pressure.
  • New orders fell at their fastest pace since November, and sector confidence weakened as the headline PMI remained below the 50‑point growth threshold for the 15th consecutive month.
  • The Iran war exacerbated supply chain disruptions via shipping delays in the Strait of Hormuz, while rising inflation, poor economic outlook and high borrowing costs weighed on firms’ outlook.

Frequently Asked Questions

What caused the spike in cost inflation for UK construction firms in March?
The record leap in cost inflation was driven by rising input costs, global economic pressures, and supply chain disruptions linked to the Iran conflict.
How did new orders for UK construction firms perform?
New orders fell at the fastest rate since November of the previous year, reflecting weaker confidence in the sector.
What does the latest PMI data indicate about UK construction sector growth?
The headline construction PMI index stayed below 50 for the 15th month, signaling ongoing contraction, though it slightly improved in March.
How did supply chain performance change for UK builders?
Supply chain performance worsened for the first time since mid-2025, partly due to shipping delays from disruptions in the Strait of Hormuz.
Which sector saw a turnaround despite the overall negative outlook?
Some improvement was seen in infrastructure works, especially within the energy sector, according to the report.

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