Emergency services were called to a building fire early on Sunday morning.
Fire crews from Nelson and Burnley stations attended a fire at a commercial premise on Railway Street, in Nelson at around 1.25am on Sunday.
A spokesperson for the fire service said: "Firefighters extinguished the fire using one hose reel, two breathing apparatus, small tools and a ventilation unit."
There were no reports of anyone being injured in the blaze.
Crews were in attendance approximately two hours and 15 minutes.
An investigation is now underway.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here