The Brankelow Cottage uses red bricks with ashlar dressings as its main building component where the main (lake-facing) front has a single storey with seven symmetrical bays, and the bays of the main face are separated by pilasters topped with stone finials.
The building is in red brick with ashlar dressings under a slate roof. The main (lake-facing) front has a single storey with seven symmetrical bays, a central three-bay projection to the front, and pavilions to each end. The bays of the main face are separated by pilasters topped with stone finials, and the face is surmounted by a parapet with battlements; there are pinnacles at the corners. 
