The Mayfair resident said 5-year-old Esmee Logan-Purcell was standing at the side of their house, two doors down from the engulfed property, and could be heard screaming "I can see smoke."
Esmee was still reeling from the shock and visibly traumatised by the incident, with Mr Hopa consoling her in his arms.
They were unsure of how many people lived in the house.
A Fire spokesperson said they received the call at 7.23pm and three appliances attended the scene.
She said there were initial reports that people were in the house, but all people were accounted for when they arrived and no injuries had been reported.
"It was a well-involved house fire," she said.
A police spokeswoman said they were assisting in traffic control and that all people had been accounted for.
A St John Ambulance attended the scene.
The cause of the incident was still unknown.
