[pjc50]

A good long explanation of the issues: https://www.slatergordon.co.uk/newsroom/can-i-walk-out-of-my...

The flip side is that other employers understand that you can't fill a position immediately. There's not many circumstances where a unique opportunity really appears on no notice.

In situations where you are in dispute with your employer and want to walk off, the traditional solution is to file a number of disputes and get yourself signed off as sick with "stress", then quietly negotiate a mutually agreeable exit.