The flat is like in the photos, very minimalistic. First things first, the position is perfect and the build of the flat is very typical for the old Lisbon, which is fun to experience in the present day, having to crouch to move around. It is not a space where you could spend any time, but Lisbon is so lively and beautiful that you won't feel the need to either. Negative notes: the bed pillows are uncomfortable, there are mold stains in the bathroom, when we arrived there was rubble all over the stove and some more fell down during our stay. A second towel would have been nice too! Also if you're a light sleeper, definitely bring ear-plugs.
All in all the flat is ok value because of the position, though it doesn't offer a comfortable stay.