Other Mumsnet forum users shared their thoughts.
One user, named ‘Trethew’, said: “If it is your fence they have no right to paint it or fix anything to it, on their side, without your express permission.”
The original poster replied saying: “That’s what I thought … but what can I actually do? If anything.
“He’s also screwed a bird box into it (only noticed that when I looked over today).
“Can’t tell if that’s off the panel or the post yet though. I just can’t believe that someone wouldn’t ask/mention it first?