Cécile et l'appart sont tres sympa. She was very easy to communicate with and arranging check-in and check-out etc was really straight forward. The flat was really clean and we were able to use the kitchen and living room as well as the bedroom and bathroom. It is a 'typical' Parisien apartment and well decorated. There is WIFI, the room has plenty of light/lamps, outlets for electronics etc. Towels were provided. There is a lift in the building which is convenient.
The location itself is very central, it is possible to walk from Chatelet-Les Halles station in 15-20 minutes if you are coming from Charles de Gaulle airport by train. Otherwise there is the metro or bus. There is a bakery and supermarket just 2-3 minutes walk from the flat which is really handy. The area is quite lively with cafes and bars but you don't hear the noise of this from the flat at the weekend when they are busy and open late. We used both the bus and the metro from here to get around and we also walked a couple of times from the flat to get somewhere because there are some main thoroughfares with shopping and cafes which eventually lead to either Notre Dame, Republique or Bastille eventually and depending which way you go.
On the whole really easy and pleasant Airbnb experience and a very convenient base for exploring the city.