You could not ask for a better location or more attentive host. We had some issues with the shower that got worse as our stay progressed, but Kety arranged for a plumber to come by the day after we notified her so we couldn't ask for anything better.
We really appreciated all of the small touches too (snacks and cava). The street is a little noisy (it's important to realize that any location in the center will be) but Kety was kind enough to provide more than enough ear plugs to use at night which were very effective. The windows if closed properly also offer a lot of sound cancellation. Overall great stay and we're looking forward to coming back some day!