The following year he was awarded the Drawing Prize by the Sunday Times[3] and a French Government scholarship to study in Paris from 1956 to 1957,[3] where he befriended Alberto Giacometti.
In 1971 the British Arts Council awarded him first prize for his sculpture entitled Haverfordwest.
Later that year he decided to move to Amsterdam after a successful solo exhibition in The Hague.
Dilworth's first retrospective in France took place between 8 July and 30 September 2007 at the Museé Matisse in Le Cateau-Cambrésis.
[4] The commune of Paris-Plage, which hosted the works of Dilworth, paid homage to him by laying a plaque, with the artist's signature and handprints, on the ground of the Garden of Arts.