Overall it was a very pleasant stay, thanks!
The photos acurately descibe the place, tiny but perfect for tourists, who came to explor Paris and not spending time indoors. The flat was equipped with everything we needed. Remi, the owner was very helpful with the check-in, flexible with the time. He spoke French, but my long-forgotten, high school French was quite adequate to understand him.
The location is perfect, nice neighbourhood, close to everything, as it is described. I am not an expert of pricess in Paris, it seems that everything is expensive. At the moment of my booking I checked around and this was a good price especially considering the central location.
There is one thing I would like to mention, which is missing from the description: the apartment is on the 5th floor, no elevator, steep and windy staircase. It was manageable, but quite a climb. Someone with physical challenges or heavy luggages might consider it a problem.