In 1876 he was living at Sherwood House, 12 Arundel Road, Dorking and in this year married Georgiana Waddingham at St Martin's Church. They had nine children together who he often included in his work. Two of his of his sons later became painters.
Collins became well known for his figure, rustic and genre paintings in watercolour and oil, but could also work in etching and drypoint. and for many years he illustrated books for the publisher Ernest Nister. He also produced postcards for the same firm. In 1915 he repainted the signboard of the White Horse Hotel.
Although spending time in Cornwall with his friend; Dorking artist; George Gardiner, he remained loyal to Dorking. For many years, retaining the post of Art Master at Dorking High School.