We stayed at Martine's place for 3 nights. We were met by a very lovely young man who spoke decent English and was extremely welcoming and helpful. The apartment is situated in a great area of Montmartre and it is inside a lovely courtyard that truly does not lack charm or character.
Unfortunately, the place itself could use a bit of work. We stayed there as a family of 4. Our daughters were 11 and 12 at the time. One of the bedrooms reserved for one of our daughters had a mattress on the floor on top of a bamboo mat, making it really uncomfortable and very hard for her to rest. We were all very tired having just arrived at 12AM. Trying to get some extra sleep in the morning proved to be impossible as some of the upstairs neighbors were up early and quite loud.
The other thing I noticed was that the floors in the apartment (while very old and charming looking) are very creaking pretty bad....not exactly something you wanna hear when you might be going to the bathroom at 2 in the morning and your other child is sleeping on the living room sofa.
One of my other complaints to Martine would be the lack of shampoo and conditioner in the bathroom. While I often bring my own stuff, I actually forgot it this time, and what she had available in the bathroom was worse than a $2 shampoo at the drugstore.
Attention to detail is key and the smallest details can make the biggest difference in attracting future visitors to this place.