I stayed at the place for 2 months.
Porte de la chapelle is not a very nice neighborhood, but the apartment is very close to public transport.
THe apartment is very clean and the room big enough.
The hosts are very friendly, and communication via their son Bo is quite easy, even though they do not speak french or english. But small gestures without language go a long way, since they were very welcoming and kind!
Would stay there again!