Firefighters entered the house to look for the girl.
She was found and carried out of the burning building.
She was badly injured and taken to hospital by ambulance.
Police confirmed she was found by a volunteer firefighter who is also a police officer. The officer was off duty at the time.
“The teenager was found inside the burning house by an off-duty police officer, who is a volunteer firefighter. The teen was pulled to safety and crews provided immediate medical assistance,” said a spokesperson.
“She remains in a critical condition in hospital.”
Fire investigators are examining the property today to establish the cause of the fire.
Police said initial inquiries suggest there were no suspicious circumstances.