NORFOLK, Va. (WAVY) - Norfolk Fire-Rescue responded to a house fire on Courtney Avenue early Friday morning. According to officials, crews were dispatched to Courtney Avenue around 3:45 a.m. Crews arrived to find visible fire through the roof of a single-story house. The fire was considered under control after 20 minutes. Courtney Ave fire (Courtesy: NFR)Courtney Ave fire (Courtesy: NFR)Courtney Ave fire (Courtesy: NFR)Courtney Ave fire (Courtesy: NFR) The house was unoccupied, and no one was displaced. No injuries were reported. The cause and origin of the fire remains under investigation.