The woman, a domestic worker, told the police that she was woken up by the sound of about four intruders in the house during the early hours of Sunday, August 30.
The robbers overpowered and threatened her, before making off with jewellery and electric appliances including a TV set.
The home owners were away for the weekend.
No one was injured in the incident.
Domestic worker held at knife point, R96 000 worth of goods stolen