Do people have a right to light .this is nothing to do with supermarkets or Chadwick street I just need some info
Amazon, Unfortunately they don't.
There are rules concerning fencing, namely that you have to have planning permission if it is over 6 ft. in height, but if you erect a 5 ft fence and it blocks someones window you can't do anything about it.
If you need more info try the CAB website or go and visit them in Memorial Park.