AND, you don't even have to show your driving licence to get the tax disc at a post office or online - that thing you are so worried about. That aspect is taken into account by the insurance companies who will want to know about the fact that you have one and all the rest of the information about your age and similar factors when you apply for insurance.

For background information, this linking of databases on various computer records developed relatively recently (as in the last few years) with the insurance records being linked to the DVLA - up until then there were any amount of fiddles going on that resulted in uninsured vehicles being used on the roads - even now, some insurance companies estimate that up to 10% of vehicles on the UK roads are not insured - hence you could probably get to a ferry terminal as discussed earlier if you don't actually care about bringing that vehicle back here ------- buy the vehicle with a valid tax disc/MOT and still covered by the current owners' insurance (in the latter case for a day or two) - that takes care of all the ANPR cameras which don't who is actually at the wheel - and high-tail it to the ferry. When the V5c is received at your accommodation address you just need that to be forwarded to you, where ever you are by then.
The outcome then is that you have a UK registered vehicle overseas and without insurance cover, but that is a whole different topic.

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Dave