The room I stayed was adequate--borderline small--. If your plan is to find a place to rest and do lots of exploring outside, then this would suffice. The location worked out great for me. I was there during the Madrid Marathon weekend. The start line was less than 2 kometers. Everything was wakling-distance. By the way, this place is not necessarily a stay-in-and-chillax--at least it was not for me as planned anyhow.
However, Paloma and Victor were very friendly and warm-hearted people. This speaks volume! I would stay with them again if I could have a bigger room.