Small quiet studio in London. Nice to have a queen-sized bed vs double. Mattress was comfortably firm. My daughter said the fold-out mattress on the couch was not as comfortable but that is pretty normal for a fold-out. Tiny little bathroom was super clean and had great hot water and water pressure. Hard to find a quiet flat in the city (at least in my price range) and this one was very quiet - faces residential street and on the top, 4th (US) floor w carpeted stairwell, so really quiet for the city in my experience. We only needed it for one night, but this would be a good homebase for a couple vacationing in London. Note: Check in and keys are all electronic using an app you have to install on your phone. We had no trouble with it, but if you are not tech savvy or if your phone battery died, you'd be out of luck.