I would like to start by saying that I am writing this 3 days after having left the apartment and Ludovica has already sent me 4 messages on 3 different platforms pressuring me to write her a 5 star review.
The apartment was in a noisy neighborhood, but was still relatively quiet since it was well separated from the main street. As advertised, there was no elevator. Just be aware that it is on the top floor (about 100 steps). We didn't get to meet Ludovica, but we were greeted by her mother and sister who were very nice and gave great restaurant suggestions. The apartment is 5 minutes walking from the metro and the metro stop is a 4 minute ride to the Napoli Centrale train station, which was very practical. There is a supermarket nearby with a good variety of products and stays open late.
However, the kitchen had very little equipment and it did not look clean. The bathroom was not very clean either; there was soap residue and/or rust on most elements and the shower drain was clogged. Also, the neighborhood didn't feel very safe at times; we saw pickpockets in the metro station near the apartment on our first day there.