Coline's place is clean, extremely spacious (especially for Paris) and very well located. Several metro stations are within easy walking distance and it takes between 20-30 minutes to get anywhere around central Paris. There's also a lovely local market on Saturday morning very nearby and a supermarket and boulangerie 1 minute from the house .
Coline was not there during our stay but her lovely flatmate Lousie was, who spoke very good English and was very accommodating. The place is fully equipped in terms of kitchen, bathroom and living room although worth noting there is no washing machine.
This is a great place to stay if you're looking to be in Paris for a while, we highly recommend.