Detectives are appealing for information and witnesses following a serious aggravated burglary in Waterloo on Friday 17 May.
Police were called at 12.30pm to reports of a burglary at a home in Baylis Road.
The victim, a 69-year-old woman, opened her door to a young woman claiming to be from the council.
Two men then forced their way into the woman's home and conducted a full search. The victim had her hands tied and masking tape placed over her mouth.
The suspects left the property with a large amount of cash and jewellery which was carried away in a yellow drawstring sports bag.
The female suspect is described as a petite white female, approximately 30 years old with grey straight shoulder length hair. She was wearing a dark leather bomber jacket.
The first man is described as black with large black glasses. He was wearing a black tracksuit with white socks and black trainers. He was wearing a beige cap.
The second man is described as black wearing a navy coloured tracksuit and black trainers. He had wide shoulders.
The three suspects are believed to have arrived and left the scene together.
"I appeal to anyone who was in the area at the time of the incident who may have heard or seen anything suspicious to contact us," said DC Luke Bielby of Lambeth Robbery Squad.
Anyone with information about this incident is encouraged to contact police on 020 8649 2131. Alternatively if you wish to remain anonymous you can call Crimestoppers on 0800 555 111.