Police were called by the ambulance service shortly before 11.15am yesterday, Monday December 5, to Fox Crescent in Chelmsford after a vehicle was found with two people inside.
Sadly the man and woman, believed to be aged in their 20s, had died at the scene.
Their deaths are being treated as unexplained at this time.
Enquiries are ongoing into the circumstances surrounding their deaths and police remain at the scene.
Next of kin have been informed.
As part of standard procedure, tests were conducted to check for potential noxious substances to ensure the safety of emergency services and the public.
The scene was later declared safe and there was no risk.