We stayed there for one night only and we recommend it. It's basic, quiet, very clean with a nice breakfast. Perfect for a short stay, or for regular stays: you can be sure it will be clean and handy !
We were overall very satisfied with this hotel, fair value and not too far from nice areas of rotterdam (and centraal station)! May just add though that we found the afternoon staff way more helpful and friendly than the morning staff.
Also, there is a parking :20 euros for 24hours.