1 we cross from Dover to Calais and would then drive to denmark.
How it is best for you to get to Denmark I am not sure I have heard you may be able to get on a freight ship from Hull (I think)
I have been planning a similar trip and as we dont like Long ferries.. (the short crossings in Norway are fine)
So
Take the ferry from Hirtsals to Kristiansand. The drive North entirely in Norway as far as Lofoten and hopefully Nordkapp.
Then cross via Finland to Sweden and Drive south in Sweden to MALMO and use the Bridges back to Denmark
I have more details so PM me if you like
Motorhome Campsites in Europe - Aires, Stellplatz, Aree di Sostas and Campsites
CAMPINGCAR-INFOS
I have a KML file wth lots of campsites that I have found from the above sources
I can copy you the file but i will need a "normal" email address to do (again PM me)
These show that a lot of cheap camping is available Particularly in Norway
Yes Food and Drink are expensive so stock up with
Baked beans
Corned Beef
Longlife milk
Rice
Cereals
Dried soups etc
Cut down on Booze for the duration