She was educated at the University of Wales and Cambridge and graduated with a Master of Arts degree.
She took time out from her career for a family, and then studied piano at Royal Northern College.
A Welsh Arts Council Bursary allowed her to study with Elizabeth Lutyens, Anthony Payne and Franco Donatoni.
She founded a music publishing firm with composer Julia Usher called Primavera.
[4] Luff composed a large number of works for solo instruments, chamber ensembles, voice, choir and piano orchestra.