Every year I'm going to a travel show (Ifema) in Madrid, so this time I picked Axor Barajas. Hotel is beautiful and the rooms look good and are comfortable. Transfers are arranged from the airport and back.
Some things that were a bit disappointing:
Room was not ready on the moment of arrival at 13:00, had to wait 30 min.
Very few restaurants in the neighborhood unless you take a taxi
Not close to any underground (Metro)
The gym area is a joke, with 2 cycle machines, a cross-trainer and some dumbbells...especially looking at the capacity of the hotel.