The apartment is very well located, bright (actually! unlike many flats in Buenos Aires that appear bright on the pictures are actually caves...), and well equipped for a nice stay.
The balcony is nice as well - out to the back and sunny in the afternoon.
Communications with Levy are easy and Eli, the housekeeper, is very friendly and quick to help.
One thing to note is that you can hear the water flowing down the pipes from above at night - I'm quite sensitive about that but slept well with earplugs.