Olly Hartley: Wasps teenager signs 'long-term' deal with the Premiership club
The 19-year-old focus has scored two attempts in his initial two appearances for Wasps in the Premiership Cup against Newcastle Falcons and Leicester Tigers.
He was named in the current year's England Under-20 first class player crew and played borrowed at Championship side Ampthill.
"Olly is a player with immense potential," said Wasps institute boss Kevin Harman.
"He has developed gigantically during his game time with Ampthill in the Championship this season, where he has shown that he is more than fit for moving forward to play Premiership rugby."
Wasps have not indicated the length of Hartley's new arrangement yet depicted it as a "drawn out expansion".