The back door of the property was on fire, and police are treating the incident as arson.
Fire crews attended and extinguished the fire and no-one was injured.
Police would like to hear from anyone who has information about the fire, or who was in the Heapham Crescent area during the afternoon of 10th February and saw any suspicious activity.
Please call 101 and quote incident number 310 of 10th February. Alternatively, call Crimestoppers anonymously on 0800 555111.