Whose mental health is more important?

Guest post from an email I received, didn't know what to do about so with permission blogging the story to get it 'out there' any help much appreciated. I am writing this in first person for ease of read.. :)

I live in a council flat, have done for five or so years. Its great here, really quiet, nice neighbours, great location and I'v made it into my safe space and sanctuary away from the world. Well, I guess I need to, after all I have mental health problems, and life gets too much for me. To know I have that space to retreat to gives me some form of stability.

Until tonight that is. This is the third time my neighbours been arguing, really loud. I know they listen to their music loud, and although its pretty distressing, I can cope enough with it or retreat into my other room. However, for the last few months (I cant remember when the first 2 times were) I have heard really loud arguing. The first time I wasn't sure what to do, but after hearing loud thumps like furniture or something I called 999, and it calmed down. The second time it happened it was distressing me and causing me real phyiscal problems (dont want to go into too much detail here) so again called the police

Tonight, a friend was with me, and he was concerned enough so again we called the police. They came pretty quick, we could hear them. Then they rang me on my phone. It was explained to me that this guy was known to the police, they called round often, but there was no one else there and he was shouting at himself. In his attempts to reassure me he distressed me to the point that i dont feel safe in my flat anymore. Aparantly this guy has mental health problems, and was in regular contact with the mental health team, and had been assessed as ok to live in the community. I was welcome to call the crisis team myself, but acording to the police officer there was little they could do beyond that. I was also advised that if I was concerned at all about the loud noise to report it to the noise abatement team (which involves lots of form filling and not much action).

I am at a friends now, they were concerned enough about me staying there and I just want to leave and never go back at this point. I don't feel safe there, and thats no disrespect to my neighbour, but more about the lack of appropiate response from the police when I directly suggested the crisis team. Not only that, Im also concerend about how stable this guy truely is. Its scary to think hes only next door to me, and again not saying anything bad about people with mental health problems, I have enough of my own to be getting on with thanks, without having to worry about anyone elses. Surely I have just as much right to be safe in my own flat as he does to appropiate support and treatment etc. ?? What can I do, in the short term to feel safe, and in the long term. I dont want to leave my flat, I know I could end up somewhere worse, and I am really lucky to hae such a nice flat, but it needs to be safe. and thats just not safe...