Station Commander Craig Fenner, who is at the scene, said: "Firefighters are working hard to bring the incident under control.
"One of the Brigade's 64-metre turntable ladders, is being used a the scene as a water tower to tackle flames from height. Drones have also been deployed to provide the Incident Commander with a greater situational awareness of the incident.
"The fire is producing some some in the vicinity and those who live or work nearby are advised to keep windows and doors closed.
"Elmwood Road is closed between London Road and Lodge Road, and Wellington Road is closed between Elmwood Road and Saint James's Road. Please avoid the area where possible."
