To me the apartment is perfect: one part is Irma's home, the other part is for the guests (2 big rooms, bath & toilet) and the 2 parts are linked by the kitchen where we can meet. Both rooms overlook large courtyards with trees, they are very quiet, very spacious and very bright. You cannot hear a noise, except the birds in the morning. I felt so good I didn't want to go out in the morning!
The apartment is very well situated: just outside the highly crowded tourist area, max 10 min walk to Volktheater (metro) and Museum Quartier (if you can resist the numerous coffees, cupcakes and shops on the way!), lots of nice restaurants and bars, as well as supermarkets.
And Irma is such a nice person!
Definitely book this one again when I go back.