While images on expedia often differ to actual rooms, one thing that was not made clear at any point was the lack of in-room shower. There was not even a sink in the room, and the "free mineral water" was only replaced once during our 5 night stay - in fact the empty bottle was even removed from the bin and put back onto the table. Our bedding was not changed during our stay, and our towels were not changed on the last evening either. So essentially, the service seemed to get gradually worse.
While I would not necessarily mind having shared shower facilities, I think the hotel should be very honest about this - it was being misled that I felt annoyed about. I've never previously stayed at a hotel with this arrangement, so it's a reasonable assumption that there will be a shower in the room. If I were booking a hostel, sure, I might think to check the arrangements for the washing facilities. This "hotel" is definitely set up much more like a hostel. Especially with the thin walls and ceilings.