Firefighters were called to Elmfield Hall in Church after plastic covering a light set on fire.
The Grade-II listed building off Riding Barn Street is currently undergoing renovation and crews from Hyndburn were called at around 11am on Thursday, July 24.
A fire service spokesperson said: “There was a fire to a lighting unit. It had been covered with a plastic sheet and when the light was turned on the heat made it catch fire.”
No injuries were reported.