I do. And a lot of my neighbors. In Germany it is pretty common to to have a few chicken in the backyard in countryside areas. My parents life in the Munich suburban belt and even have a rooster in their flock. Their neighbors have not complained so far.

They eat snails and all the kitchen scaprs and I seldom have to buy eggs. Besides, it is so lovely to watch them in the garden. Their social live and their communication within the flock is very interesting to watch.

There are also a lot of nice hacker projects out: self closing chicken coop, monitoring, live cams.

And they really look nice, there are so many beautiful breeds, just type chicken breed in duckduckgo image search.

There are many people keeing chickens in residential areas, actually.

One peculiarity of the UK is that the law explicitly protects the right to keep chickens and rabbits. So if you decide to buy a chicken coop and a couple of hens for your garden there is nothing anyone can do about it whether you live in the middle of nowhere or in central London.

Plenty in suburban London. No off grid living.