Great location--walkable to many of the tourist spots and close to subways for things a bit further away. Plus the immediate neighborhood is a happening little street with no traffic, and with several cafes, a bakery and various stores right there.
The little roofdeck terrace held our party of four perfectly for breakfast and for evening chill time. I think you could get six people out there with no problem. You are up right at rooftop level and so the atmosphere is pure Paris.
The bedrooms open to the terrace, so of course we tried to sleep with the windows open. Each night, one lone mosquito would come in and buzz us, so depending on the season and your tolerance for the little biters this may not be your thing.
We did not cook, with all the treasures of Paris at our door, but we did bring some things back and it seemed like the kitchen was full featured.
The decor is shabby chic, in the best sense of the phrase. It is like visiting your sister's house if she were a great hostess, had a huge collection of art and travel books and lived in an authentic feeling Paris apartment.
The apartment is on the 6th floor, but the elevator only goes to 5 and you walk up the last flight. We had no problem and actually thought it was a feature because there is no elevator or hallway noise in the rooms and it felt very peaceful up on the roof. Separately, the new, but old looking wrought iron and glass elevator is a hoot and worth renting the apartment just to ride.
We had a question (about the wifi) and got an answer back right away, so the host is very active and professional.