Our host was not available to meet us when we arrived, however, she sent a lovely young man in her place and he was very welcoming. He made sure to show us everything and how to work all of the appliances, whilst also answering all of our questions.
The flat is in a LOVELY area on Ile Saint Louis. It's very central (within walking distance of Notre Dame and the Louvre). The street that it's on is teaming with activity (restaurants, shops, markets, etc.); however, the flat itself, despite being on a busy street, was extremely quiet. It was truly lovely overall.
The host herself was always very responsive to my emails. Very nice stay overall.