Our time at Zelia's place was great.
The apartment is spacious and charming, and is very well located, next to many bars, restaurants and shops. It also has a supermarket (monoprix) and a metro station right next to it.
Zelia and her family live in the apartment and it shows - it's very thoughtfully decorated (much more than your ordinary short term rental), and is cleaned twice a week, which is a big plus for longer stays. The living room in particular was a real treat for us.
Do mind that it's quite a few steps (with no lift), but we didn't mind.
Overall, this is a great place and we would definitely recommend it.