We were very lucky to find a room at the last minute. We had driven 450 miles that day and hadn't been able to book in advance as we weren't sure if we'd make it to Zwolle. The lady who greeted us at the desk was extremely helpful and courteous and couldn't have made us feel more welcome.
Before being shown our room we were given a welcome drink and amuse bouche both of which were very individual and delicious. We stayed in a 'Royal Room' with an adjustable, comfortable bed, a good choice of soft drinks in the mini-fridge, an espresso coffee machine and a spacious bath with raindance shower. Even the lights had many adjustable settings.
I would stay here again in a heartbeat, if the opportunity arises and would love to eat in the restaurant - maybe for our 30th wedding anniversary (must remember to plan well in advance).