This lovely flat is a 20 minute stroll from the museum and gallery district which is just to the north of Atocha. It's a very comfortable, homely space. There is a late night café/bar on the ground floor which was nice and friendly and it's right out side Martino Alvarez metro station (Line C1 for the centre of town - also C5 & 10, but we didn't use them)
Albertina's team were very helpful. In fact, Air Iberia cancelled our flights, which meant we had to miss the first part of our trip and go straight to Madrid, they were able to arrange for us to book in a day early with no hassle which saved us from disaster!
We had two small criticisms of the apartment, the front door lock is difficult to master (there's a knack) and little touches like tea and coffee in the kitchen wouldn't go amiss, although to be fair, these details may have been attended to had we not arrived a day early.
Overall a clean and comfortable home in a very accessible position. And of course, we are very grateful for the extra accommodation at such short notice. We enjoyed our stay very much.