I've been many times to Madrid, and always prefer this area as a central and close to all the attractions by walk and to the main public transportation hub - Sol.
The place is just couple of mins from plaza Mayor.
The rooms is very comfortable with good big bed, I had a great sleep.
One more advantage, view from the window is too the roofs - very private, for me its more comfortable.
Kristian was a great host, restraunts recendations were excellent.
I'd switch to Kristian place instead of the hotels for my visits to Madrid!