I very much enjoyed my stay at Javier's apartment, despite arriving in Madrid with a very bad cold.
Javier's kindness and thoughtfulness were evident from the moment I arrived. I had previously asked him where I could purchase distilled water for my CPAP machine, and he had a bottle waiting for me when I arrived. The tea kettle that he purchased also proved to be most welcome, as I was drinking a lot of hot tea to help with my cold.
Javier really went out of his way for me when I was locked out of the apartment (one of the external doors) due to another neighbor mistakenly double-locking the door. He answered my urgent 11:30 p.m message and was at the apartment in a few minutes
The apartment itself is exactly as described: cozy, well-located, and perfect for 1 or 2 people.
A tip for those arriving at Terminal 4 of the international airport: although the metro does go from the airport to Atocha station, the trip would involve changing to several lines. A faster and easier way is to take the Cercanias suburban train from the airport to Atocha station. The trip takes 29 minutes and costs about $3.00 U.S.