Well, stream-of-consciousness writing is surely consistent so far but the book is more comprehensible now (at 40%) than it was at the beginning - one storyline continues for at least several pages, and when we get back to it some pages later, it continues more or less from where it's left off.
I'm enjoying it now, yes. But the "style" isn't all that great and it's getting in the way of the author expressing himself properly imho.
if you liked this book, you must read J G Ballard's The Atrocity Exhibition. Will Self is a big fan of Ballard's and that is the book he clearly wanted to write when he sat down to write this one.
I've started it and I generally like Will Self but I am finding it pretty tough going (e.g. I have gone off and read Instructions for a Heatwave and Life after Life on my kindle in the last week but am procrastinating with umbrella).
I am putting it down to having a one year old - he only just started sleeping through this week. That's my story and I'm sticking to it.