Came here with my mother for a long weekend and really enjoyed our stay. Simon's place is conveniently located (close enough to walk from Antwerp-Centraal station, there's a big supermarket nearby, you have the central square nearby etc) and very clean and bright! We especially appreciated the ability to store our bags in lockers in case of an early arrival or late departure outside of check in/check out times and the ease of access to the building and the room.
Note: The room is on the first floor and so was okay for carrying small bags up and down.
Would definitely recommend!