My family and I had a wonderful stay at Benoit's apartment - it really does add to your Paris experience by being so well located and comfortable - great for kids and parents to rest up between walking excursions. The stairs are to be expected for an old apartment building in this part of Paris, and Benoit was great to offer to help with the cases upon arrival and again at departure.
Benoit also briefed us well with great info about operating the apartment but also the neighbourhood - great eating restaurants, closest grocery stores, map explaining the way to local sites etc - he also helped once over the phone for a query regarding the stove top, and called the cab upon our departure - a nice touch. I very much recommend any active family of 4 to stay at this apartment for their next holiday in Paris