Is the paperwork in the UK (I'm assuming you're UK-based, hence £) particularly onerous? I heard things were getting more complicated if you just wanted a few chickens in your garden.
According to this website [0] you just need to register with the Animal and Plant Health Agency.
[0] https://www.gardenersworld.com/how-to/maintain-the-garden/ke...
There is some paperwork now in that you have to register your flock. I dread the day though that we are told to kill our hens because of an outbreak.
It was bad enough keeping them undercover for one winter.