Hi, it would be better left until autumn, but it's going to have a large root ball, and quite a deep tap root, so won't be an easy job to get it out without damage to the roots, keep it well watered if we have a dry autumn, Derek.

Did you plant it recently? If you did it,will be easier to move; if not, well, Derekm said it all.

but it will withstand substantial pruning so it could be a lot smaller before you lift it. but Derek is correct.