Arklow fire services attended the house fire in the early hours of Monday morning.
The house which is on the St.John’s Villas estate between Fr.Redmond Park and Marian Villas was completely destroyed.
Neighbours had to be evacuated while the fire services stopped the fire from spreading.
There were no reports of any injuries.
A Garda forensic examination is taking place at the scene this morning.
Anyone who may be able to help with inquiries are asked to call Arklow Garda station (0402)26320