It's a convention and not a law. The law is what every country says it is. Trying to use a convention as a defence would only work if the convention is incorporated in law in the country in question.
Fortunately I've never worked in London and have never commuted by train. The last few years before my retirement my "commute" was a few meters to get my laptop to the kitchen table for the early morning meeting while I was still having breakfast. No video on that meeting and I was usually in a...
Any EU resident visa gives you the right to travel visa free in the EU but that's only a benefit for those nationalities that needs a visa and brittish citizens does not need a visa. You are still bound by the 90/180 in Schengen countries outside the country where you are resident.
I worked remotely for years and could have worked from the boat but what's the point of being anchored in paradise when you have to sit in front of a computer from morning till evening?
That could possibly be useful in Barcelona but not something to be relied on elsewhere in Spain and completely useless in other Countries with their laws based on the EU directive and any customs officers interpretation thereof.
France is difficult for non residents but many other countries are easy. Our dog now has a Spanish passport costing around €30 and we are not resident in Spain.
UK no longer issues pet passport and old ones are not valid for entry to the EU. Only way to enter the EU without an EU pet passport is a AHC valid for one entry in 10 days and valid for 4 months. Costs £99 at vets that specialises in them. Costs a lot more at none specialists and they often...
I quite certain that you can take a dog to France on your boat.
We have travelled with a dog from France to Jersey and Guernsey before going to England but that was before brexit and I don't remember where the dog was processed and it was by car where she had to stay during the crossing...