Four fire engines and around 25 firefighters dealt a flat fire on Coombe Lane in Raynes Park.
Two people were rescued by firefighters wearing breathing apparatus. They were both suffering from smoke inhalation and treated by London Ambulance Service crews. Part of a first floor flat was damaged by fire.
The fire is believed to have been caused by a chip pan left unattended.
The Brigade was called at 1908 and the fire was under control by 2019. Fire crews from New Malden and surrounding fire stations.