Acton Lane to Remain Closed After Water Main Burst
Thames Water says repair more complex than originally thought
The road is now expected to be closed at least until Sunday 26 July
July 17, 2026
Acton Lane is to remain closed for over a week after Thames Water needed to dig it up to repair a major burst water main.
Thousands of homes across Chiswick, Shepherd’s Bush, White City and Acton lost water on Tuesday evening (14 July) after the rupture left taps dry for several hours. The disruption began around 7.30pm, initially affecting properties in W4 before spreading across west London as well as flooding parts of Acton Lane. Residents were unable to shower, wash their hands or fill a glass of water, and Thames Water confirmed shortly afterwards that a large water main had ruptured.
Workers on the site later said the pipe that failed was a thirty-inch mains pipe. Pipes of this diameter are part of the strategic distribution system rather than local neighbourhood supply, and can carry tens of millions of litres of water a day. Under normal operating conditions, a thirty-inch main can move well over 50 million litres daily, depending on pressure and gradient, meaning that when such a pipe bursts the sudden loss of flow can affect entire districts rather than just a few streets.
A specialist team located the damaged pipe roughly 90 minutes after the first reports, and crews worked through the night to restore supply. Some homes in W3 regained water by 11pm, and by half past midnight the broken section had been isolated and water rerouted across W3, W4 and W12. Although supply returned, many households continued to experience low pressure, particularly in blocks of flats where internal pumps needed resetting. Thames Water warned that discoloured water was normal after a major incident and advised residents to run taps until clear.
Construction equipment on the site near the junction with Graham Road
Repair crews remained on site throughout Wednesday, excavating the damaged sections of the main. In a statement issued at 12.43pm, the company said excavation was continuing and that repair work would begin as soon as possible. Acton Lane remained closed, with diversions in place and warnings of delays for anyone travelling through the area. Thames Water said it could not yet give a firm timeline for full restoration, though it initially expected the fix to be completed by Thursday morning.
That estimate has now been overtaken by a more detailed update with the water company saying its teams are making good progress but that the repair is more complex than first anticipated. The company now expects to complete the repair on Monday or Tuesday of next week (26 or 27 July), although it cautions that this remains dependent on site conditions and could change if unforeseen issues arise. Once the pipe is fixed, crews will begin restoring the road and footpaths, a process expected to take several days.
Flooding on Acton Lane. Picture: Thames Water
Traffic management and road closures will remain in place throughout the repair and reinstatement period to protect workers and road users. Pedestrian access has been maintained. Thames Water apologised for the disruption and thanked residents for their patience, saying it would provide its next update on Monday 20 July or sooner if significant developments occur. Although water is flowing to all homes, normal service has not yet been fully restored and low pressure continues at peak times. The company says it will keep its incident page updated as work progresses.
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