The place is very nice! It has ample space and is located RIGHT in the middle of the city. Walking distance from Metro station, even though you don't really need to use it to see a lot of what Madrid has to offer. Just walk everywhere from this cozy, well located apartment! The only things to be considered is that its windows aren't greatly soundproofed, so on weekends, being so city-centered, can get somewhat noisy.
Other than, the place was very well kept and clean. We'd definitely stay there again! :)