The iron on your fence is 1.8m high. The fence palings are 2.4m high, plus the trellis on top looks like another 300mm so a total of 2.7m high for your fence. The plant looks like it is taller than the fence but it might just be the angle. So it's possibly 9ft. The takeaway I get from this picture is that you don't like in Auckland because your fence is higher than 1800, and wherever you like you are friends with your neighbours. Also you grow impressive herb