A double garage was gutted by flames on Friday night.
Firefighters from Chorley fire station were called to Milestone Meadow in Euxton, near Chorley, at 11.10pm.
The detached garage was well alight when crews arrived.
Lancashire Fire and Rescue Service said it is too early to say what cause the fire and an investigation is underway.
Crews remained at the scene of the fire until the early hours of Saturday morning.
Nobody was hurt in the incident and no vehicles were in the garage at the time.