Police were called at 2.40pm on Wednesday, 10 July to reports of a stabbing at Tellson Avenue, SE18.
Police and London Ambulance Service attended. At the scene, a male, believed to be aged in his early 20s, had suffered a number of stab wounds.
The incident is believed to have taken place in a garage area outdoors.
The victim was taken to a south London hospital.
Despite the extensive efforts of medical staff he was pronounced dead at 8.55pm
His next of kin are aware. We await formal identification.
A post-mortem will be scheduled in due course.
A crimes scene and cordons remain in place.
At this stage there have been no arrests.
The Homicide and Major Crime Command