I didn't have the luck to meet Nader in person, but we kept contact by phone and everything was fine and clear. Nader is a very attentive and an easy going person. Jose who was there to welcome me, was very accessible and explained what I needed to.
The appartment is exactly like in the photos, very well located, in a street next to Gran Via. I loved the decoration of the appartment and the bed is very comfy.
You can book it with your eyes closed.