We stayed three nights at Alfredo and Ricardo's flat and absolutely loved it. The flat is in a fantastic location to go walking to many of the main sites of Madrid. It was very comfortable, nicely decorated and well equipped. There was WiFi available in the flat so we were able to communicate easily with the hosts about anything we needed, and received quick responses. Be aware the flat is in a building without a lift so you must be ok with several flights of stairs. Great stay! Thank you!