Whorlton Grange

Whorlton Grange is a planned range of farm buildings, now used as workshops and storage, built in the mid-19th century by John Green for the Duke of Northumberland. The buildings are constructed of coursed squared sandstone with ashlar quoins and dressings, topped with a Scottish slate roof. The U-shaped range features a central back wing and an extruded engine house. Most of the structure is two storeys high, except for the one-storey stables that are part of the right wing.

The central barn range consists of 11 bays, with five segmental-arched, rebated cart doors at the bottom and stop-chamfered boarded openings above, including a central loft door. The side wings are more irregular, featuring doors and other openings, mostly boarded, set in stop-chamfered reveals. The external faces have similar openings, but the left range has three wide and one narrow modern windows inserted. The roofs are fairly low-pitched, with all gable ends coped and down-curved kneelers. The rear elevation displays a pentice to the left, a projecting central wing, and the engine house to the right, behind which is a tall square chimney with two stages, a band, quoins, a frieze, a cornice, and a blocking course.

Inside, there are two massive stone arches between the engine house and the barn, with plain roof trusses that have principals set into masonry, raised ties, and collar beams. Most other fittings have been removed. There are various small extensions of a temporary nature into the farmyard that are not of interest. A one-storey detached left range of shelter sheds, now offices, has been altered too much to be of special interest. There is no farmhouse. Whorlton Grange is noted as an impressive example of a planned, mechanised farm formed by amalgamation.