Re: @ Lee D Pleas for extra
"I said that I have enough regular contributions on the go, but the charity seemed like a good cause so I was happy to give them a few quid there and then as a one off. My offer was refused. They wanted monthly, ongoing donations, or nothing."
Because they don't work for the charity. From what I understand, most of those chuggers work for agencies which in turn work for different charities. They receive something like 10-20% of whatever you donate in the first year, so essentially they only get paid when you sign up for regular payments. That's why in future I'd much rather go direct to the charity and setup a payment than go through a chugger.
I don't know but I suspect that's also why you often get loads of begging calls around the one year anniversary, normally from someone "on behalf of" the charity, so I wonder if they're actually calling from the chuggers, and getting you to increase your payment effectively renews their cut for another 12 months.