The main points:

Total construction output is estimated to have fallen by 0.7% in Quarter 3 (July to Sept) 2026 compared with Quarter 2 (Apr to Jun) 2026; new work fell by 1.6%, while repair and maintenance grew by 0.5%.
At the sector level, five out of the nine sectors fell in Quarter 3 2026; the main negative contribution to the decrease was private new housing, which fell by 4.7%.
Monthly construction output is estimated to have grown by 0.8% in September 2026; this follows four consecutive decreases in the monthly series, including a revised decrease of 0.5% in August 2026 and a revised decrease of 0.2% in July 2026.
The increase in monthly output in September 2026 came from increases in both new work and repair and maintenance, which grew by 0.9% and 0.6%, respectively; the main contribution to the monthly increase in new work was infrastructure new work, which grew by 3.3%.
Total construction new orders grew by 1.2% (£107 million) in Quarter 3 2026 compared with Quarter 2 2026; this quarterly increase came mainly from public other new work and private commercial new work.
The annual rate of construction output price growth was 3.2% in the 12 months to September 2026.

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ONS Construction Output in Great Britain: Q3 Fall of 0.7% But September 2026 Output Grows by 0.8%