Heartless thieves have ransacked a dead man’s Perth home while his body lay decomposing inside.

The man, aged in his 70s, died at his property on High Road in Lynwood before they broke in but that didn’t deter them.

Officers say the group stole from the home on several occasions over the past few months - even driving the victim’s car.

Officers only found the body after a tip-off that burglars had been targeting the property.

Neighbours told 7NEWS they saw flashlights in the home and cars coming and going but didn’t raise the alarm.

No charges have been laid.