Really great location, a lot of nice restaurants in the neighbourhood and close to metro/train station Gare de Nord. Marie was helpful and easy to communicate with.
On the other side, the apartment was a bit small for 5 persons, it was really noisy and cold. It might have been a shop earlier so it was only a big window/glass between the bed and the street. You could hear all the noise, people talking outside, car alarms etc and it felt like it was next to your head during the night. Due to the big glass walls/window to the street (not regular walls) it was cold in the entire apartment.