Had the same problem around 3 years back, with a badger coming into the garden. The hedgehogs dispersed and kept away. Like Nic i like badgers but it is not a good mix to have in the garden, my personal opinion.
How it was solved for me was that i stopped putting out food at night and cleared any spilt bird food. It took a few months or so, but the badger got the message and cleared off. The hedgehogs came back into the garden a little while later.
You probably wont be the only one feeding the hedgehogs so they wont go hungry. And with the warmer weather there will be more natural food around. Tough choice stopping the food, but sometimes we have to take them.
Willpar.
