I had a fantastic 7 days stay in this hostel. The hostel is only a couple of minutes walk from Gran Via metro. Excellent location for transport links, shops, restaurants and central tourist attractions.
I had a very nice room in the hostel with air con, ceiling fan, radiator, microwave, fridge, tv, shower and sink. The room was cleaned on a daily basis including fresh towels. Really impressive! Also, a double window to a court yard area so had some natural sunlight which was welcoming. The hostel occupies the fourth floor of an old building. There is a lift and although the building is on a very busy shopping street, my room was peaceful and quiet.
I would certainly recommend this hostel for a stay in Madrid.