All seasons sites

www.UKcampsite.co.uk allows you to search by seasonal pitches in your preferred area.

Welcome and I hope you find a caravan that suits soon.

This club does some seasonal pitches and you can read about it here -

https://www.caravanclub.co.uk/uk-holidays/uk-sites/club-sites/seasonal-pitches/

I strongly suspect though that you will find better value by looking at privately owned sites.

Club does some sites with seasonal pitches. Here is link to page

https://www.caravanclub.co.uk/uk-holidays/uk-sites/club-sites/seasonal-pitches/

And you often get a good range of properly useful reviews by real people. We've rarely gone wrong using this website.

Wonder if any of this information was of any assistance to the OP?

You need to decide if you want a seasonal pitch where your caravan is set up all year or if you want storage on a site that will put the caravan on a pitch whenever you want it. If you just want storage and an occasional pitch on a nice picturesque farm CL then come to Suffolk . Try Church Farm Kettleburgh, Framlingham. It's site no.1440 in the handbook. Very basic facilities but plenty of dog walks.