This apartment is ideally located within walking distance of both gare de l'est and gare du nord; an intrepid traveler might even fancy the 30m walk to la riviere Seine and surrounding attractions. The apartment was easy to find and check-in was straightforward.
BE AWARE that this apartment is also someone's home. While others might not mind, I felt somewhat suffocated by how full the apartment is of personal items - everything from toys to clothes. I had an issue with dirty linen/towels, but I think that was a one-off occurrence.
It's no fault of the hostess, but during my stay, the common stairs leading up to the apartment seemed to be undergoing a renovation. There were construction materials strewn about making the lower steps and landing difficult to traverse.
All in all, this apartment is in a great location, is generally clean and definitely comfortable for a single traveler (maybe also a pair who don't mind sharing a tight sleeping space).