Around 25 firefighters raced to a major blaze at a property in Heskin, say fire services.
Crews from Chorley, Leyland, Bamber Bridge and Wigan were notified of the emergency on Bannister Green via a 999 call at around 9pm last night.
A spokesman for Lancashire fire services said: "Five fire engines attended a fire involving a commercial property in Heskin.
"Firefighters used six breathing apparatus, two hose reels and three jets to extinguish the fire in the three storey building measuring 15 x 25 metres."
Firefighters left the scene of the blaze at around 7am this morning.
No injuries were reported and the cause is under investigation.