This flat is amazing! Oliver (and his wife) were very welcoming and great at communicating with us every step of the way and while we were there. The flat itself was spacious, clean, and beautifully decorated. Perfect location for sight-seeing Paris - it was within walking distance of most everything we wanted to see, and a short car or metro ride from everything else. Lots of places to eat and drink nearby also. The one downfall would be that the main bathroom isn't really a shower, more like a bathtub with a hand nozzle - so there is really only one true shower in the house, but easy to make it work if you want to.
I definitely recommend staying here if you're visiting Paris! Absolutely lovely and great location!