Pros: The apartment is very well located in the centeric part of Madrid. Sergio is very fast in communication and helpful in giving tips for areas to visit and local food places. He also was very accomodating when we wanted to do a one-hour early check-in.
Cons: the air conditioner is very noisy waking up us few times during the night (although it was on lowest speed). The unit also was lacking some cooking needs, like oil (although it is mentioend in the ad), and other essentilas like tissues and paper towels.