The front window was damaged.
The property is near La Grande Mare Hotel and officers want to speak to anyone who may have seen anything suspicious.
They are “particularly interested in making contact with a group of youths who may have been riding a scooter up and down a nearby gravel path on the evening of 5 September 2018.”
Pictured: The area where the incident occurred
PC 76 Lewis is investigating and can be contacted on 725111 or witnesses can call Crimestoppers anonymously on 0800 555 111.