We had a great time in Dominique's apartment. The location is truly phenomenal. It is super convenient for translation, just a few seconds from the Mouton-Duvernet subway stop and a few minutes from the super convenient Denfert-Rochereau RER and Subway stop, which is direct to CDG and Orly airports, Gare du Nord, and many major places in Paris. And it is in the heart of a lively (but still quaint and quiet) Parisian neighborhood, near Rue Daguerre, with plenty of shops (bakeries, cheese shops, small supermarkets...) and restaurants.
The apartment itself is on the small side, but with enough space for our family of 5 to sleep and eat without problem. There's everything needed to cook. The apartment is on the ground floor, on two inner courtyards, so there's no noise from the street. There is a bit of intermittent noises from the building's heating and water pipes, which is usual for Parisian apartments. I'm quite sensitive to noise but quickly got used to them and slept well.
Communication with Dominique was great, and she was extremely accommodating, even offering to let us check in early at 8am on the day of our arrival: this was a godsend as we were arriving from the US by red-eye and deeply needed a morning nap.
We would definitely stay again at Dominique's home if we get the opportunity.