A masked man carrying a baseball bat burst into a house in East Bierley.
A 45-year-old woman and a 73-year-old man were at their home on Ladyroyd Drive when the man walked in through the front door.
The man threatened the pair, demanding to know where the safe was. He left after being told there was no safe in the house.
Nothing was taken and no one was injured during the incident on April 4 at 10.45pm.
The suspect was around 6ft 2ins tall, slim and wearing dark clothing and a Balaclava.
Any witnesses, or anyone with information is asked to contact DC Andy Clayton at Kirklees CID via 101 or Crimestoppers, anonymously, on 0800 555 111.