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The clue is in the name...only two yellow bands on the abdomen, so bi-cinctum rather than tri-cinctus!
The long antennae and yellow along the edge of the thorax, as well as the larger black shade on the wing all point to Chrysotoxum rather than Dasysyrphus.
My Flickr photos...
Thanks Ian, I thought it was not quite right, but I found a few images of trincintus that seemed to have only two bands, and indeed others that had more than three. I couldn't find anything that matched my example - clearly I need to invest in a hoverfly book.
Lat/Lng: 53.8, -1.8
OS grid ref: SE1540