Neighbours cctv watching a shared drive but creepy boyfriend is accessing from his own home

As the title says my neighbour is in a bad relationship and her creepy bully of a boyfriend has asked her to put up cameras for the purposes of monitoring her every movement. He's recording everything she says and does. He has now asked her to put up a video doorbell which will cover a shared driveway for another 5 residents. I believe that as this is filming the shared drive way this would not be exempt from data protection …

bad cameras cctv drive home monitoring own privacy recording relationship