Flatford Mill was not a scene Constable came upon as a visitor. It belonged to his own family: his father Golding Constable ran a successful milling and barge-building business there, about a mile from the village of East Bergholt where Constable was born, with a watermill on the Stour for grinding corn and a dry dock for constructing the barges used to move grain along the river^[1]. Constable grew up walking these fields, and the working, industrious character of the site, rather than an idealised or picturesque one, shaped how he painted it throughout his life.

Constable painted Flatford Mill as a working rural scene at a moment when he sensed the Industrial Revolution was beginning to reshape the English countryside around him, and by his own account he wanted to capture a way of life he suspected would not last much longer^[1]. He could not have known that the mill, the cottages and the surrounding fields would remain largely recognisable more than two hundred years later, drawing visitors who still walk, cycle and paint the same stretch of the Stour valley he knew as a boy^[1].

Constable built his major landscapes through a distinctive, unconventional process for his time. He filled scores of sketchbooks with studies made directly from nature, painted watercolours and near-complete oil studies outdoors, and then finished the compositions in his studio, a working method that ran against the usual academic practice of composing indoors from memory or convention^[3]. For his largest exhibition canvases, later nicknamed his six-footers, he went a step further and painted full-size oil sketches as preparatory studies before starting the finished picture, a method essentially unique to him among landscape painters of his generation^[3][4]. This grounding in direct observation, rather than inherited formulas for composing a landscape, is part of what made his Stour valley paintings, Flatford Mill among them, feel so different from the idealised classical landscapes still fashionable when he began exhibiting.