We stayed at Christelle's during a family trip to Paris. The apartment is well equipped with all essentials you need. Beds for 6 people with a spacious living room/dining area. We would definitely recommend this place to families or groups of friends who want to spend time toghether.
The apartment is very close to Sacré Cœur cathedral and there are plenty of bars, restaurants and shops in the neighborhood.
Supermarkets and boulangeries are just across the street/around the corner in case you want to surprise your fellows with fresh croissants and coffee (there is a nespresso machine in the kitchen).
Christelle's listing has it all :)