We stayed here for a week for the French Toussaints holiday in November. Everything about our stay was great. The location is very central and close to any shopping you could want and many great brasseries just a block away. Despite this, the apparement is very quiet, facing two interior courtyards versus having any street access. Metros to everywhere are a block away - we had no trouble getting around to all the sights.
The apparement itself is very comfortable. The beds are great, and a queen and a double size. No problem for our family of four to sleep comfortably. Kitchen is small as is typical in older French apartments, and well equipped and has washer for clothes and a nice drying rack. We cooked here a lot rather than eat out, and it was great. There was a good selection of staples when we were there.
Note this is definitely an older apparement, so there are rough decorative edges, but they added to the charm in our opinion
Finally the hosts were great with proactive and timely communication, and very helpful. We highly recommend!