Where are you flying if not at a club ? I would second the advice to find an instructor but if you must go it alone please do it safely, i.e. a long way from any other people because you're going to crash. Do not try it in a public park or anywhere like that. Do you have insurance ? If not you're even more of a disaster just waiting to happen.

You will need some fairly smooth grass to take off and land (a lot more of it than you probably realise). That plane is a lot faster and heavier than you're used to and with ailerons and less dihedral, a lot less self-correcting. If you let go of the controls it won't sort itself out, it will simply crash.

I think you'll find landings might not be quite as easy as you think. Just getting it to land in the same field as you will be a trick. Picking it up afterwards in one piece will be a really neat trick.

BTW there are at least a dozen clubs in Gloucestershire. I'd try to find one somewhere near to you and let them teach you.

Steve