We stayed in a 3 ppl-room with an en-suite bathroom. The room itself was good, but quite cold.
Above the bathroom door it’s open towards the room, so no window/wall.
The apartment itself has 4 more rooms. You can hear everything through the wall. Since there were only 1 or 2 more people, it was quiet though.
All in all, it’s place for a shorter stay in London.