Police and fire safety investigators spent the day examining the house to try to find how the fire started.
The fire was contained to one room but there was smoke damage throughout the house.
Fire safety officer Ray Coleman said investigators would return to the property today to "tie up loose ends then it will be in the hands of the police and the coroner".
Police closed the road for part of yesterday while distraught family members gathered outside the damaged home.
A neighbour said everyone on the street was pulling together to support the family. "The whole community is supporting them, it's only a little street. You give your neighbour a helping hand where you can."staff reporter