Well, Tomahawk, you could not fill your tanks
, possibly have them cleaned, and plan to hip tie the dinghy
, with a petrol motor
, and use that to berth the boat.
Granted, it must seem very cruel, annoying, and possibly a reason to not go there, but they aren't responsible for solving your problem. Only you can do that. Or, not, if it's too much hassle or expen$e.
You'd have to get Belgians to agitate for a change, for the British based boats; as a visitor, a foreigner, you're powerless.. However, the people there in the marine
industry could be interested in facilitating things for the Brits.
It's good of you to warn everybody by these threads.