The location is just wonderful, right in the middle of everything! It's on a charming, skinny side street (well, there aren't any wide streets in old town Seville!) The fold out couch at first looked like it might be uncomfortable for sleeping but that was not the case at all; we slept well on it. There was some street noise at night but that's kind of the price you pay for being so well located - there is a lot going on!
Javier was a wonderful host on all counts. His suggestions of things to do and places to eat is very good, so please take his advice!