Rory Talbot, 30, of Mossbury Road, Wandsworth, was charged on Saturday, January 25 with the murder of 75-year-old Mark Talbot.
He has been remanded in custody to appear at Westminster Magistrates’ Court on Monday, January 27.
Police were called to Deodar Road, SW15, at 3.36am on Friday, January 24, following reports of a stabbing.
Officers attended with the London Ambulance Service who treated Mr Talbot, but he was pronounced dead at the scene.
A Met Police spokesperson said: “Our thoughts are with the family and friends of Mark Talbot who have been affected by this tragic incident, and who continue to receive support from specialist officers.”
Mark Talbot’s family said: “We are grateful for the support provided by police, our neighbours and others.
“We ask that our privacy is respected.”