Inspector Murphy said: “At around 6:05am, it was reported there was a fire in the garden of a house in the area.
“The fire spread to the side of the property and caused smoke damage.
“It was also reported that damage was caused to a nearby electric box and gable wall.
“It is understand a female resident and her young child were inside the property, but were not injured.
“Enquiries are continuing but the fire is being treated as deliberate.
“We are appealing to anyone with any information regarding the incident or who saw anything suspicious in the area to contact police on 101 quoting reference number 299 8/9/18.
“Alternatively, information can also be provided to the independent charity Crimestoppers on 0800 555 111 which is 100% anonymous and gives people the power to speak up and stop crime.”