Hew Moore wrote:
Thanks for your kind replies .. all points noted.
Have a great Christmas & an even better New Year.
Regards to all
Hew.

I don't want to throw a spanner in the works, but the advice I've read
on walnuts is that they don't respond well to pruning. I can't remember
though what the bad effects are likely to be - maybe the tree just won't
look quite right as it won't put on the new growth you want.