This is a lovely night shot architecture shot that still has a bit of twilight colored sky it it which really adds interest. I think it's sharp and interesting in terms of the building itself. I like the water in the shot for added interest.
As someone said below, there is a feeling of a slight list to the right, particularly the tower. I don't think those bushes on the left are doing you any favors, as they just block out too much of the building and because they are very dark, don't hold much interest themselves. I think they are the major element holding your score back. Since you took multiple images, I would have liked to have seen the yellow lights toned down a bit. They are so bright that they compel the eye to go there and not take the time to look around and see what other goodies are in the scene.
If I voted this challenge I would have voted a 5 or a 6.
Wow, an all around beauty of a shot. Love the light and the sky, particularly but the gold tones in the reflection are really pretty too. Great details.
The problem with shots of buildings is that people looking at the photo never seem to take in the grandeur of the building the same way you did when you were there, and I think this is one of those that fall into that category.