Police are appealing for information after four masked men forced their way into a house as the victim was in the process of locking his door.
Police say the four men began searching a number of room before making off with a sum of cash and a cheque book.
The buglarly took place in the Connor Road area of Parkgate between 11.30pm and midnight on Friday.
Detectives are appealing for anyone with information to come forward.
Want a quick and expert briefing on the biggest news stories? Listen to our latest podcasts to find out What You Need To Know.