The incident happened at an address in Brickfield Farm Close after the victim answered a knock at his door, at 8.40am on Monday 22 July 2024.
It is alleged he was pushed to the floor as the men entered the property and stole a quantity of cash and a watch.
One of the suspects is described as wearing a red and yellow top and carrying a parcel.
Investigators are also issuing a CCTV image of a suspicious silver or gold Renault Clio that was seen in the area at the time of the incident.
They are keen to talk to anyone with private CCTV and/or doorbell footage that may assist the investigation.
Detectives are especially keen to hear from motorists with dashcam footage who travelled along the B260 Main Road between the junctions with Brickfield Farm Close and Fawkham Road, between 8am and 9am.
Anyone with information is urged to call Kent Police on 01474 366149, quoting reference 46/121164/24.
You can also contact Crimestoppers anonymously on 0800 555111 or complete the online form on their website.
