My mom, sister, and I were very excited about this AirBnB, and kept teasing each other about how we were gonna need to be in shape for all those stairs! In reality, the stairs weren't really the issue at all (they did make us huff and puff, but each flight was slightly smaller than a standard American flight of stairs, so we survived). The true issue with this apartment is the heating situation. We visited for a week in late December/early January, where the day temp was about 28°F and the night temp was even lower. The listing says there is heating, and while that is technically correct (there is one wall heater in the living room next to the dining room table, and one small wall heater in the bathroom), they do not heat the sleeping spaces. The bedroom with the large bed doesn't have a single source of heat. Three of our seven nights, all three of us slept huddled up on the pullout couch in the living room because it was too cold in the bedroom to handle. We reached out to the host midway through our stay to ask for a space heater or a partial refund, but he refused both, saying that the insurance would only permit two heaters. He then reminded us about the NYE fireworks show we would be able to see from the balcony. (Turns out we barely could because of the fog, but we understand that wasn't his fault). His response did come within a few hours, but we were not thrilled that he didn't seem too concerned that we were so uncomfortable. The one thing we did love, though, was our welcome to Paris and to the apartment by Jean Marie, Ferdinand's father. He met us at the door of the apartment, helped us carry up some luggage, and showed us where everything was in the apartment. Overall, this space is a good value for the money if you visit in a time you don't need heat.