Post mortem examinations will take place today [Thursday, 24 April] for the three children who died in New Malden on Tuesday.
The examinations will take place at Great Ormond Street Hospital this afternoon.
The murder investigation continues and a woman, aged 42, remains in custody.
Police were called at around 21:30hrs on Tuesday, 22 April to three children found dead at a residential address in Thetford Road, New Malden.
Officers and ambulance service attended. The three children – a girl aged four and two boys aged three – were pronounced dead at the scene. Next of kin have been informed.
The woman, aged 42, was taken to hospital for treatment to minor injuries and later discharged. She was arrested on suspicion of murder and taken into custody at a south London police station.
The Homicide and Major Crime Command is investigating and incident room was opened in Sutton under Detective Chief Inspector Diane Tudway.
Detectives are not looking for anyone else in connection with this incident.