2 points and a question...
I really think a 12a cert was not the right choice for this film. Unlike earlier batman franchise, where the villains were cartoon characters, here they were real people just horribly flawed, more psychologically than physically. Althought you never saw Joker cut anyone's face, the repeated threat to do so was quite frightening (and I'm no child).
There might have been no blood, but Batman's repeated punching of Joker in the face was quite brutal.
Secondly, it felt waaaaay too long. Kept thinking, that's the big climax, so now we'll have 5 minutes wrapping up. But no, off it would go for another 20 minutes...
Felt there were two possible films rolled into one.
Question: I thought Batman said he was going to save rachael,but he went to Harvey. Why, when he loved rachael? Maybe this was made clear at very end but could barely hear closing dialogue over booming music.