This year's exhibition held at the Mall Galleries in London is on until 5th December and includes miniature artworks by Andrew on an animal theme.
He was thrilled to be awarded the "Anthony Lester Art Critic Award" for his painting of Harvest Mice (85mm x 108mm) and the "HRH Prince of Wales Award for Outstanding Miniature Painting" - chosen by Prince Charles himself, for his painting of Indian Runner Ducks (94mm x 128mm).
Take a look at the winners here.