Fox-proofing isn't too hard, the only limit is how much you're prepared to spend, obviously the more you spend the bigger and more secure the run will be.
Mine are allowed out in the garden most days, but only when I'm around, and I usually let the dogs out at the same time which keeps any foxes away, not that we see many in daylight anyway.
The rest of the time they have their secure run which is approx 12' x 8', the base is paving slabs which I got from Freecycle so nothing can dig it's way in, the roof is heavy duty corrugated plastic which keeps the run dry and is also fox-proof, and the sides are either solid fence or weldmesh. So-called "chicken wire" is great for keeping chickens in, but it won't keep foxes out, they can chew through it quite easily, weldmesh or chainlink is really the only thing to use and it does cost a bit more.
Regarding the EU countries currently ignoring the new rules, yes it's true and it's very unfortunate that they've chosen to do so, but looking on the bright side that means that more than 50% of the 27 member countries are obeying the rules, you have to start somewhere.