At About 2.30pm yesterday, emergency companies have been referred to as to a house on Borrowdale Approach, Cranebrook, after a lady was discovered with severe accidents.
The 31-year-old girl was pronounced lifeless on the scene.
Police have been informed the girl doesn't dwell on the house, however she is understood to the occupants.
One neighbour informed 9News they have been "gobsmacked" by the information.
Investigators are interesting for anybody who witnessed suspicious behaviour within the space, or who has data, to contact Crime Stoppers on 1800 333 000.