He showed early a talent for drawing and was still young when he went to live in Paris with his mother; her husband had abandoned her and had gone off to fight as a volunteer in the Franco-Prussian War of 1870.

Renoux exhibited in the Paris gallery of Georges Bernheim in 1916, and the public reception was an encouraging success, resulting in the sale of twelve paintings.

[7] Renoux employed a palette based in yellow-orange and ochre in which he painted street scenes admired for their understated beauty and agility of hand.

As The Times of London wrote, "He might in the broad sense of the term be called Impressionist, being concerned with the open-air effect, taking particular pleasure in the dapple of sunlight on tree shaded avenues.

Renoux's sun umbrella, stool, paint box, and transport case for works-in-progress were displayed at an impressionism exhibit at the Albertina in 2009 and are now in the Petit Palais.