Situations like this are so commonplace as people just don't seem to have a basic level of respect for others. I hope that the housing officials actually do something for this man and his family and they aren't just paying lip service.
I am so sorry to hear you had to endure years of neighbour abuse @BarrowInFurnessRailwayStation. Everyone has a right to feel safe in their own home. It must've been horrendous for you and for your family.
This BCC documentary shows very harrowing stories from various people who have health problems/disabilities.
Targeted: The Truth about Disability Hate Crime:
www.bbc.co.uk/programmes/m000rh4p
Our criminal justice system should be much tougher on apprehending, prosecuting and punishing the scumbags who engage in this type of behaviour as it ruins lives.