He moved there with his wife Elizabeth Wallwork and established a reputation as a respected teacher and eventually rose to become director of the college.
He had a prodigious output of landscapes of Canterbury and historical works of classic and Maori legends as well as taking commissions for portraits.
[3] Soon afterwards, Robert Herdman Smith, the head of the Canterbury College School of Art in Christchurch in New Zealand, made contact with a view to offering him a position as an instructor to replace Sydney Thompson.
[7] Both the Wallworks joined the Canterbury Society of Arts and Richard would be involved with the organisation for over 40 years, including a period as its president from 1927 to 1928.
[3] After the First World War, he was commissioned to execute portraits of New Zealand Victoria Cross recipients Richard Travis and Samuel Forsyth.
[9] At the Canterbury College School of Art, Wallwork taught not just painting but also etching and established a reputation as a respected teacher.
[3] Although his output declined in his final years as he became ill with lung cancer, his studio still contained several hundred paintings at the time of his death.