Fantastic location, literally a 10 minute walk to most attractions. There's a nice quiet placa nearby, and the street is just off the main road. Side note, it's a tiny pedestrian street so if you're arriving by taxi, you'll be dropped off at the nearest point on the main road - it's a short walk to the apartment but just something to note if you've got full sized suitcases.
The apartment is decently sized, available storage is massive, and most items are well stocked. The star of the show is the small courtyard between the flats - it's a great place to chill or practice photography.
Javier was a great host overall.