The apartment is great, fully equipped and clean. It seems like nobody lives there normally, it is only for airbnb guests. But still quite cosy. There is travel guides, maps, and even an umbrella for loan, everything we needed during our stay. Quiet building, we were never disturbed during our 5 day stay. Martine came and met us at the door when we arrived, and gave us a quick tour around the apartment. The bed isn't particularly soft, but OK. Of course the terrace is excellent, and we had many nice breakfasts there in the sun.
To get there with luggage from the airport we got a taxi, as it is a little walk from the metro. But for the rest of our stay, we only used the metro. The location of the apartment is great, there is a lot of restaurants, bakeries and bars around there, as well as a small grocery store.
We'll definitely try to stay at this place next time we go to Paris!