「OK, stairs might not be an issue for you in which case you can ignore them, but if you have mobility problems then this is probably not the place for you. Knees that don't do stairs well groaned when faced with the long flight up to reception and went decidedly wobbly when faced with the climb to the rooms, which was steeper than one would encounter in a modern building.
In my experience it's not difficult to find fault with the condition of old hotels, but the Corner House decor and appearance...