We had an amazing time in Madrid, thanks to the city but also this fantastic apartment. We never met Alex but communication was good. Everything in the apartment was great. 100% like the pictures. It was very clean and new and well maintained. The beds were comfortable. The apartment is big enough for 5 (3 adults + 2 teens) to have some privacy. Wifi worked fine and fast enough. Key pad lock at the entrance of building and key card for the apartment. Only 2 flats by floor. Quiet street. Very well situated. We walked 15-20 minutes to every major sites in Madrid. Groceries and cafes and restaurants nearby. And one of the best rooftop private terrace possible to enjoy warm Madrid nights!