I intend to extend the netted area using poly pipe. On the outside of the fence I am going to espalier apple trees and along the inside of the fence I will be planting berries. That way I will be able to net the berries and apples together. I haven't thought that through yet, but it will probably be with arched polypipe.
I dug quite deep holes for the posts and to be sure the posts would not wobble, I hammered in some 1 metre reinforcement rods at different angles ... so the tops are in the concrete (rapid set) block and the bottoms extend into the soil. The joy of the whole experience was being able to dig, with just a spade, about 80 cm down and hammering the rods in quite easily. For a gardener from the rocky belt of Eltham, it was pure joy!