Central Range at Wrotham Park Home Farm, Including Barn, Engine House, Chimney, Shelter Shed and Building Facing on to Rear Yard

A range of farm buildings dating to the 1850s, constructed for Lord Enfield. The buildings are located at Wrotham Park Home Farm, near Potters Bar. The range comprises a five-bay barn with a loft, flanked by lower buildings. The westernmost building served as an engine house, featuring a chimney on its south side and a linked building projecting southwards to connect with a seven-bay shelter shed. A further seven-bay building, originally a carpenters' shop, is attached to the west side of the link-building, facing the rear yard. The buildings are constructed of red brick in Flemish bond, with Welsh slate roofs.

The barn has chamfered plinths and eaves; brick kneelers to raised verges with brick coping. Bays are defined by pilasters linked by a cogged, stepped eaves band. The barn has opposed central cart entries with sliding doors, now of corrugated iron. On the south side, outer bays include shuttered openings to each floor, with two-centred arches; openings to each gable are also present, the west gable louvred and the east gable containing a two-light window. The engine house has openings on the north side, including a previously open bay later filled with brick and weatherboard, a door, and a window (the right window being blind). The chimney is approximately 10 metres high, with a square base that transitions to a circular shaft, featuring a stepped chamfered base and a stepped cogged band below a rendered cornice. The shelter shed is open on its east side with arch-braced timber posts on chamfered padstones. The building facing onto the rear yard has projecting gabled end bays; the left bay has a three-light window, the right bay has a two-centred-arched doorway and a datestone, and a central door is flanked by a two-light window to the left and replacement windows to the right, all with gauged brick arches. Internally, the barn features roof trusses with iron king posts, wooden angle braces, and tie-beams; trenched or butt purlins. The barn retains overhead shafts and cogs from former machinery powered by a beam engine that survives within the engine house.