Hey Rich, welcome!
In answer to your question, there are, but not enough. Both Virgin and Black Flame have in the past put out ranges of 2000AD novels. On the whole, the Black Flame ones are more fun (dredd, stront, slaine, dante, fiends of the eastern front, durham red, ABCs) but to my mind the best individual dredd novel is david bishop's cursed earth asylum- which i havent read in years, but still sticks in my head as being a decent version of the character, in a story that seemed torn from the prog, but utilising all the benefits of being a book.
Someone will be along in a bit to point you to a complete list. I just wish there were more.
SBT