CCTV

Questions:

Are shops and leisure centres etc allowed to put CCTV camera in the changing rooms?
Can you tell me about installing CCTV at my house and what to do if a neighbour has got CCTV installed and one of the cameras points at my property?
How can I prevent heritage crime?
I have got a parking/speeding ticket/congestion charge for a car that has the same number plate as mine, but it was not my car, what do I do?
My car has been stolen, what should I do?
My vehicle has been broken into several times, can I install CCTV equipment in it?

I want to have a personalised numberplate with fancy writing, what are the requirements?