Thames Water has said the A3 in Kennington will remain closed over the weekend, after the road was flooded on Thursday.
There's been major disruption after a 30 inch pipe burst, which then caused a damage to a smaller pipe.
Engineers are still working to clear debris and to find out what caused the problem.
Thames Water has thanked the London Fire Brigade for helping to pump out gallons of water and for distributing sandbags to protect residents
More top news
Hundreds of pupils from Alperton Community School in Brent, London,cheered and waved flags as Andria Zafirakou arrived holding the prize.
Earlier, this week Kensington and Chelsea Council admitted spending almost £21 million keeping survivors in hotels.
Defence Minister Tobias Ellwood sais the UK is going through a "dark chapter" .