Houses in Wolsey Cresent, New Addington have been without water since 3pm today after a burst water main flooded the street.
London Fire Brigade (LFB) were called to the street at 12.46pm where water was lifting the road and pavement and flooding back gardens, leaving 63 homes without water.
The water even went though some gardens to flood the adjacent gardens of King Henry's Drive.
Jeff Hall, Addington station watch manager, said firefighters closed the road and used sandbags to protect houses and redirect the water. They also pumped water from the part of the street worst affected, near Montacute Road, to a drain further down the road.
Water went into the gardens and floors of at least three houses and one house lost electricity.
Four firefighters and one engine were on the scene and had to call in equipment from Sutton.
Mr Hall said: "When we arrived water was coming out of the pavement. Water was gathering and going down the driveways into back gardens.
"We had to order an operational support unit to bring sand bags and a submersible pump, and once we had used up those sandbags we ordered more.
"We made sure no cars drove over the road and that people avoided the pavement."
A Thames Water spokesman said a four inch pipe burst and they stopped water from flowing out of the pipe at 3pm.
Thames Water engineers are currently on site cutting out the broken piece of pipe. They hope to have water back on and repairs finished later this evening.
They could not comment on whether cordons or road closures were still in place.
He said they will not know what caused the burst pipe until the broken pipe is taken away and examined.