Australian, New Zealand and South African drivers need an international driving permit to legally drive in many European countries.
It might be easier to exchange your home licence for a UK one. You’ll be able to do this through the Driver and Vehicle Licensing Agency as long as you have proof of a UK address.
If you have a bingle it could save you a fortune, plus it’s illegal to drive without insurance in many European countries. Herts Insurance has a ‘Walkabout’ policy specially for van tours, and Downunder Insurance has a campervan policy too.
For more on van tours see: