We stayed at Julien's place and we had a very nice stay. It's a very good apartment in a very nice neighborhood. It's not very close to the main touristic attractions but it's a 10 min walk to lines 2 and 9 of the metro and more 30 minutes to the main attractions. You are going to stay in the apartment where Julien leave. It's a little bit crowded, but in the other hand you'll have everything you will possibly need. Parking, access, check in and check out were perfect.