Our neighbour is a landlord who is not terribly interested in the appearance of his garden - nor are his tenants. The fence, which is his responsibility is very ramshackle (though just about standing) and only about 3 foot tall. I've asked about replacing it (with a tall, sturdy fence), and sharing the cost, and he is not interested in this. As far as he is concerned, the fence is fine.
Any thoughts on what I could do to improve the boundary? Is it mad to erect another fence on my side of the fence?