Javier's place was THE cleanest place I've stayed. He and his wife were there to greet us and show us around. They are very nice and accommodating. The street we stayed on was very close to everything, but not too busy. Los Coloniales is less than a minute away for some excellent and cheap tapas. You may want to get precise instructions on how to get there beforehand, not because it is difficult to find, but because Google Maps doesn't work very well in the streets there. Also, it felt incredibly safe and it's definitely an affluent apartment complex.