Had a great stay for 3 nights. The room is a good size and was very clean and tidy. The bed was comfortable. The bathroom was great with an excellent shower. Charlie gave me a good welcome explaining everything carefully and while I didn't meet any of the other guests (I was hardly there) the whole place had a very warm and friendly atmosphere. It's in a brilliant district of Madrid nowhere better to be than Malasaña. Only downside is that the wifi would barely connect well enough to do anything. Shame as part of normal life for most. Perhaps other rooms had better coverage. Worth asking.
I will stay here next time I come to Madrid. Thanks Edu y Charlie!