Dutton Kit Cars and their owners
It is strange because it looks pre-phaeton to me but it has a registration plate on the back which belongs to a Pheaton
Click on pictures for links.
Unusual front suspension with compression links at the bottom and presumably inboard springs and dampers.
To be fair, after all these years, your lucky to find an unmolested one.
I seem to remember it clocking about £700+ maybe £720 - not back on yet so maybe it sold this time round.