I've had 4 days to pack up my 2 bed house and move.
Why such a short timeline? Unless it's due to an emergency or traumatic incident then nobody has such short notice that they're moving - even if you're evicted you get more than 4 days notice - so that would influence my decision. And if it is an emergency/trauma then your friends are probably waiting for cues from you as to what help you need/want.
If it was a last minute situation then I would expect my friend to either have paid professional movers to ensure everything is sorted/packed within the tight timeframe or for them to explicitly say "This is an emergency situation, I need all the help I can get to be packed before Tuesday. I know it's short notice but is there any chance you can help in any way in the next few days?"
I have had friends who I will help move whenever they want, even at short notice, because they were grateful for the help, were organised and appreciated the help and I have friends who I will never help move again as they would claim they only had days to move which is why they had done zero packing on moving day and expected loads of friends to just turn up and get it all done in a day while they stood around "project managing" ... when they'd known they were moving for weeks but had been lazy and left it all to the last minute, expecting everyone else to do it for them and be happy about it.
Not one of my friends has offered to move
If one of my friends was moving on such a tight time frame I would assume they had paid for movers unless they said otherwise - especially at such late notice when I may have had plans and so I couldn't necessarily commit to helping ... Or would assume that if I couldn't come and help for a big chunk of time then it would be more effort coordinating the help than it was worth.
I have had a friend move on short notice as her relationship broke down and she sent out a message to the group chat asking for any help and people weren't making offers to help because they assumed she meant "I need people to come and spend 5-6 hrs packing my stuff" until she started breaking it down into what she actually needed eg "Anyone with a car able to take 4 boxes of broken stuff to the tip for me? It's all boxed up, just needs transporting"; "Anyone able to help move boxes between <Old house> and <New House> at some point today?"; "Anyone free for an hour to help me move the big bits furniture into the van so I can move them today?"
I'm feeling overwhelmed
I really could of done with some help
Then put your big girl pants on and ask for it then!
I don't want to ask for it-they know I need it
If you don't want to ask for help then you won't get it. Your friends are not obliged to offer to help someone who won't help themselves.