Holbrook Mill Mill House

Holbrook Mill and Mill House consist of a 19th-century mill and an 18th-century mill house, with earlier origins. The mill features a timber-framed road face with weatherboarding and a brick plinth, topped by a grey slate roof. It has three storeys and a basement, with a rear section made of painted brick and a lean-to roof covered in red plain tiles, which is two storeys high.

The mill house, likely from the 18th century, is faced with cement set with clinker and has a red plain tiled gambrel roof with four dormers and bargeboards on the gables. The rear left and right ends are made of red brick and include chimneystacks. The mill house has two storeys and attics, featuring a four-window range of three-light casements. The central entrance is a vertically-boarded door with an egg and dart moulded surround and a moulded pediment.

The ground floor is below road level, and access to the front door is via a flight of stone steps with cast iron handrails. The forecourt is enclosed by hooped railings attached to the front right of the mill. The mill's depressed gable faces the road, and its roof is hipped at the rear. The upper floor includes a lucam with a lean-to and a hoist door in the floor. Below the lucam, there is a drop ladder fixed to the wall, next to a two-light casement window with centre transoms.

On the ground floor to the right, there is a halved door and a workshop window with six lights and two transoms. The right return adjacent to the house has two or three-light casement windows on each floor and a multi-light workshop window in the basement. The left return features various windows, and there is a 20th-century door to the right.