The main points:

Total construction output is estimated to have grown by 0.1% in Quarter 3 (July to Sept) 2025 compared with Quarter 2 (Apr to June) 2025; new work decreased by 0.2%, while repair and maintenance grew by 0.6%.
At the sector level, four out of the nine sectors grew in Quarter 3 2025; the main positive contributor to the increase was private housing repair and maintenance, which grew by 2.9%; the main negative contributor was private new housing, which fell by 1.9%.
Monthly construction output is estimated to have grown by 0.2% in September 2025; this follows a downwardly revised decrease of 0.5% in August 2025 and an upwardly revised increase of 0.2% in July 2025.
The increase in monthly output in September 2025 came solely from an increase in new work (0.7%), as repair and maintenance decreased by 0.5% on the month.
Total construction new orders grew by 9.8% (£1,078 million) in Quarter 3 2025 compared with Quarter 2 2025; this quarterly increase came mainly from private commercial new work and private industrial new work.
The annual rate of construction output price growth was 2.7% in the 12 months to September 2025.

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ONS Construction Output in Great Britain: Monthly growth of 0.2% in September 2025