This apartment is perfectly located near piazza navona, and we loved it. There is noise from the street as this place is in the heart of the piazza navona district. The noise did not bother us, but it is worth mentioning if street noise from restaurants late into the night, and early morning, bothers you.
The apartment is split between two areas, each with a bedroom and a bath. One side is light and includes a couch and large dinner table, the other is dark and includes a couch and a very small kitchen. Meal prep here would be awkward. We did try making breakfast, but it really was too small for us. No bother as there are dozens of good places to eat. We enjoyed several wonderful meals very close by. We did love the historic nature of this old and recently remodeled building

There is no washing machine or place to hand wash and dry, but the laundry service is just steps away and was efficient and reasonably priced. We had our clothes back in under four hours.
Beds are comfortable, hot water plentiful, typically small but workable showers, clean apartment, works well for four. We had six and have to admit it was a bit tight. Don't try to sleep on these couches unless you are quite short! (The sofa bed wasn't really usable)
Guilia was extremely helpful. Gave us great recommendations and helped us book several taxi. Great host! She also has an American coffee pot in the apartment and left us some American style coffee and filters as well as a welcoming bottle of vino bianco.