I cannot even begin to describe what a wonderful time I had staying at Sara's! Her place is so comfortable, charming and conveniently located. The Metro is only 5 minutes walk away and Gare du Nord itself is a comfortable 10 minutes walk. The Barbes Rochechuart metro has 2 intersecting train lines making it a breeze to travel around Paris.
Sara's place has everything you need - comfortable bed, great heating in winter, a well-stocked kitchen and great breakfast every morning! Sara was very attentive to us while giving us space and privacy at the same time. She was there to greet us when we arrived and when we left. In between that she was always contactable should we need her help.
The neighbourhood itself is not the prettiest in Paris but very interesting and has its own unique charm. Admittedly it's not for everyone and some may feel it is not safe. It's important to note however that Sara's property is within a gated environment with its own private street so it is very quiet and safe. I certainly enjoyed my stay here - it was a very real Parisian experience with almost no touristy feel that I get elsewhere; I enjoyed every minute of it!