The fire broke out in the early hours of Saturday morning around 04:00, according to Police.
They said in an appeal: “…Three large wheelie bins were completely destroyed as a result of an isolated fire that started in the cut through between David Place and Convent Court.
“It is not yet known what started the fire. Damage has been estimated at approx. £1,000.”
Anyone with information about what happened is urged to call 612612 or make an anonymous report via Crimestoppers on 0800 555111 or via their online form.