LOL funny to think that vines are even possible to grow in the UK. Just shows the variation in weather between different regions. More chance of us growing rice in N.Ireland!
I'm pretty sure Denbie's at Dorking have hives on site. As for some pollination crops it may be a percentage advantage for the grapes and not much benefit for the bees but some vineyards think it's worth hosting.
A couple not far from us too. I had assumed they were no use for nectar because grapes are wind-pollinated, but could be a source of pollen - same as catkins.
Grapes usually self pollinate, needing neither wind or insect as both male and female parts are closely contained in the flower. In some varieties they can self polinate before the flower opens fully.
The wine I make from my grapes has been given the fitting name-
Chateaux Quatre Oui