A number of men, two of them believed to have been carrying guns, forced their way into the property at Oakfield Drive shortly after 20:00 GMT on Saturday.
They demanded money before assaulting a man aged in his 50s.
The gang made off with a sum of cash.
Alliance East Antrim MLA Stewart Dickson has condemned the attack.
"This was a particularly vicious assault, coming as it did in front of a family," he said.
"Those behind it must be taken off the streets immediately, as they pose a serious danger to all," he added.
A man has been assaulted while a woman and four children escaped injury during a raid of a house in Carrickfergus, County Antrim, by an armed gang.