The place is small but enough for a couple. Marielle is super organised, very friendly and provides all the local tips in a book for the guests - that was exceptional. Besides the suggestions made, the single beds are not ideal for couples...
The flat is really well located in a quiet nice street just short walking distance to the main street with shops. About a 10 min walk to Leidsplein.
Note that it's in the last floor of the apartment, and the stairs are quirky dutch style...
Our stay was very pleasant and the choice of this flat helped a lot!