UPDATE: Fixed my own issue
Just in case anyone else has this problem, it was a relatively easy fix. For some reason the plugins became corrupted after moving my site to live stage, and updating woocommerce in particular broke the site with classic white screen.
The fix was to disable ALL plugins. I renamed plugins folder to plugins.bak which allowed me to regain access to wp-admin. Then, i simply re-installed each of the plugins one by one which restored all data and functionality to the site.
Not quite sure what broke the site through the cloning process as normally it’s OK, but nevertheless, it was relatively easy to fix after trying various other things first.
