I live in middle of posh housing estate ,it's mix of social housing and homes that cost hundreds of thousands,I've had trio of seramas in run on lawn,just let them out after school run,cockerel wasn't that loud,I've had hybrid lf hens and Banty hens in garden,lol
Im like you with were I live and my back garden is about the size of a decent kitchen I had to get rid of my chooks pigeons and two of my dogs when I moved in and it doesn't look like I'll be getting an aviary any time soon