Pros: excellent location, near the main Paris metro station (Les Halles), Louvre and the islands (10 - 15 min by foot). Refurbished apartment, despite the old building. Good space for a couple. Warming and on time reception, with nice tips about near places to lunch or dinner.
Cons: old buildings in Paris don't have lifts, so you need to take the stairs to the 4th floor, which is clear in the description. However, Felipe helped with the luggages!