At 2:20am yesterday, residents of the Sykeshead home in Oakworth blocked a man entering the facility via an unlocked door.
The suspect was wearing gloves and a balaclava.
The second man was seen waiting for his driveway.
Both suspects left on foot in the direction of the Kayley Town Center.
A West Yorkshire police spokesman said, “Always lock your doors and windows, even if you're in your home, to help keep robbers out.”
Anyone with information about the incident should call 101 or contact the West Yorkshire Police using the live chat option on the Force website.
Quote reference number 13250100413 in any communication.
You can also provide information anonymously to Crimestoppers on 0800 555 111.