The apartment is really, really comfortable and very good located; it is within a walking distance from Delicias station, point from which you can easily reach the main touristic attractions of Madrid.
Beatriz was very friendly and kind. When we arrived, she gave us many suggestions for places to go in the surroundings and during our stay she constantly asked us if everything was ok.
To sum up: totally recommend it!
Thanks a lot, Beatriz!