Re-jigging my novel post assessment is proving to be both a joy and a challenge. Taking what I had, re-writing some, adding more, and beginning the novel in a different place, is making my head hurt slightly but I'm getting there. A large portion of the changes in my novel will be in the run-up to the ending.
On the Better Novel Project website, Christine Frazier's article How to Transition to Your Story's Climax with a Gatekeeper has proved very helpful in my rewrite. Have a look.