The main points:

Total construction output is estimated to have grown by 0.3% in the three months to August 2025.
Over the three-month period, new work fell by 0.4%, and repair and maintenance grew by 1.3%.
At the sector level, five out of the nine sectors grew in the three months to August 2025; the main contributor to the increase was private housing repair and maintenance, which grew by 5.6%.
Monthly construction output is estimated to have fallen by 0.3% in August 2025, after showing no growth in July 2025 (revised down from 0.2% growth in our previous publication).
The decrease in monthly output in August 2025 came solely from a decrease in repair and maintenance (1.5%), as new work increased on the month (0.5%).

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ONS Construction Output in Great Britain: Decrease in Monthly Output in August