I suggest if anyone finds anything asbestos, hire someone else to deal with it. Start here:
https://www.arca.org.uk/
Also you can't take it to most council tips now. It requires hazardous waste collection and handling services as of 2012.
Genuinely dangerous stuff. My uncle died from mesothelioma as well about a decade after an asbestos garage roof collapsed next to him in the 1980s.
Don't even think about winging it.