Accepting that it's questionable what's actually a 'record' - my son made his contribution today.
On his 16th birthday, he made his first solo flight in a 5-seater turbine (EN480B), followed by a solo flight in a 2/3-seater piston (S300C). Both at Gloucestershire Airport.
Weather was bit challenging, but all went smoothly, and was professionally videod, so I'll post a link at some point.