Actually yeah, I probably could dismantle the other side & swap the handles around - I might investigate that if the epoxy approach fails, primarily as I don't know where my circlip pliers are but the epoxy is in "the drawer"
Drill / tap / screw was an early thought - would be a nice fix but more effort to borrow taps & then not fuck it up, the chance of this being really quite high
Actually yeah, I probably could dismantle the other side & swap the handles around - I might investigate that if the epoxy approach fails, primarily as I don't know where my circlip pliers are but the epoxy is in "the drawer"