Posted: 06/04/2016 at 17:23
Hi nin - I've only just seen this thread, and while I have great sympathy, there are solutions. The right to light is indeed a myth so what you have to do is make your garden as attractive as possible to distract you from the radioactive bunker next door.
My neighbour at the back currently has a converted garage, a carport , another building which houses a sauna and hot tub, and a shed which he seems to be currently adapting to make a chicken run..... illegal here which he doesn't yet know These run right along the rear boundary of his property so I've beavered away building a garden with plenty of all year round interest to distract me from his (also orange painted) monstrosities. A nice feature such as a huge pot, a pergola, a pond or specimen shrubs or trees on the opposite side of the plot from the shed which will make you look in that direction instead.
Someone recently started a thread with a similar issue - a building/warehouse wall at the end of the garden, and there was quite a few suggestions along those lines.
Post a few photos if you can and you'll get further suggestions too. The more attractive your garden is, the less impact theirs has on you