A wide lawn stretches across the foreground, its surface dappled with sunlight and shadow from the tall trees that line the riverbank. To the right, a large house stands with its pale walls catching the morning light, while a gardener leans on a rake near a wheelbarrow on the grass. Another figure stands further back among the trees, partially obscured by the foliage and the play of light.

A path runs parallel to the river, bordered by a low wall and shaded by a row of slender trees with delicate, feathery leaves. Two women in long dresses walk together along the path, their figures small against the expanse of the landscape. Beyond the wall, the River Thames glimmers with reflected light, its surface calm and dotted with several boats, some carrying passengers.

In the distance, the opposite bank and Barnes Terrace are visible through a gentle haze, their forms softened by the luminous atmosphere. The sky occupies nearly half the canvas, suffused with pale blue and streaks of yellow and gold, suggesting the early morning sun. Turner uses loose, fluid brushwork to evoke the textures of leaves and grass, while finer lines describe the architectural details of the house and the figures' clothing.

The composition is carefully balanced, with the house and large tree anchoring the right side, and the river and receding line of trees drawing the gaze into the distance. Mortlake Terrace: Early Summer Morning was painted by Joseph Mallord William Turner in 1826. This work was exhibited at the Royal Academy’s Summer Exhibition in 1826 at Somerset House.