"The uploader has not made this video available in your country.
Sorry about that."
polsy.org.uk shows the allowed and disallowed countries. :(
See if this works ant?
fr.unblockvideos.com said "No video with supported format and MIME type found."
Try the "London" proxy?
"Failed to Connect
The connection was refused when attempting to contact london.unblockvideos.com.
Though the site seems valid, the browser was unable to establish a connection..."
Sorry for putting you to the trouble which resulted in such failures Ant. It worked for me a few weeks back but I'm in Europe (though with Brexit, maybe not for much longer) and wished to watch a US video You will have to search the web for a VPN service that suits your neck of the woods