Luckily the home in Clapham was empty at the time.
The violent snatch and grab robbers struck 46 times in just 11 days last year in South London.
If you travel through Clapham Common, you can't miss it - and it comes with an important message.
A burst water main has caused flooding in south London, closing a major road. Reports suggested sewage was pouring into people's homes as a result
Local resident, Angela Reynolds, 58, said: "The road has been made into a river. It's a bit like Somerset.The water is revolting, brown, muddy - well I hope it's mud.
The water just flooded the road in 10 minutes. It was quite incredible."
A major London road was closed by the emergency services after homes were flooded with sewage as a result of a burst main.
There were reports that residents were being evacuated from their homes on Clapham Road, Kennington in South London after being trapped by the filthy water.
A policeman at the scene told onlookers "It's sewage. It's stinky. It's gone into people's basements
A Metropolitan Police spokesman said: "There is flooding on Clapham Road between Oval and Stockwell stations, which has been caused by a suspected burst water pipe.
"We are asking people to avoid the area."
Neither the fire service or police force could confirm or deny whether it was sewage causing the problem.
Police in Lambeth Borough are asking pedestrians and motorists to avoid the Clapham Road, SW8 area due to flooding from a suspected burst water pipe between Oval and Stockwell Underground station.