The apt is about 500 meters from the Sumida water front, near the Asahi bldg. The Sky tree is about a km away but what an amazing walk to either location. If you love walking in the city this is a great place for that. It was also bigger than some hotels I've stayed at in the past and it had a washer (which I didnt use)
My only complaint is the sofa, next to the bed, is too low and I get leg cramps when sitting there for more than 10 minutes. I Prefer higher seats with back support. But that is me. some people may prefer the low seating. Anyway, that doesn't take away from the ability to have a full apt. in the center of Sumida.