A chip pan left unattended caught fire.
Fire crews from Dewsbury and Hunslet were called to a property on Ingleborough Drive, Morley at around 10.30pm on Wednesday.
A fire service spokeswoman said a couple in the house had left the pan unattended and gone into the living room.
She said they were alerted to the fire by a smoke alarm and were outside when firefighters arrived.
No-one was injured in the incident.