Barbara and her husband were very welcoming. The apartment's location is great : between de Spanish Quarters and the Historic Centre, close to the water so we walked everywhere. Very clean and comfortable apartment in a safe building with an elevator that works perfectly.
The only thing was that there was construction in or close to the building and also the walls are thin. We would be waken up at 7 a.m. by kids playing or construction noise and then at night, no peace and quiet until 10 p.m. I think it goes with the chaos that rule the city of Napoli: you can't really expect peace and quiet. ;) At least, the apartment's windows are not on the street and the balcony overlooks the inner courtyard. I would stay there again.