This was a perfect home-base for exploring Madrid. Everything was comfortable, clean, and well organized, with extra touches like a sewing kit for repairs. We were met with friendly recommendations and regular check-ins to see if we needed anything during our stay, and they also ordered airport pick-up and drop-off for us. We will definitely try to stay here again if we come back to Madrid!
The windows look out on internal air wells and courtyards, so they're mostly there for light and air, but this also makes the apartment quieter than I expected. For people with limited mobility, please note that the elevator stops on the landing between floors, so there's still 1/2 flight of stairs to the apartment.
The neighborhood is fantastic, so nothing is far away. One of us ran out in the mornings to bring back fresh pastries for breakfast - there's a bakery chain on the corner, or go around the corner a few more (tiny) shops to a local bakery with fewer choices, but lovely, crisp croissants (0.50 a piece) and other delights.