Went to the Yvonne Arnaud to listen to Dr Howard Cunnell from Kingston  University talking about the process of writing and rewriting. Most of what he said  made sense especially about character confusion, too much explanation, plot holes and over written description.   Useful points too about the structure and harmony of the novel as a whole. As I expected there is no one or indeed best way of doing anything; you have to find your own way to revise.So it looks like 5/6 more drafts before it’s ready to be read by  or to anyone else.