I see that you put a lot of effort in it and I think it looks good, but you could've built it a little less...I dunno, spammy.From what I'm seeing you could've used less bricks for this. But it's still really good.
I think he used smaller dimensions for walls because he wanted a paneled look and easy modifiability(like to add paintings and such)| I think it looks great aswell. The sign in front is hideous, aswell as numerous signs, but the rest is pretty good.