Yeo Mill Approximately 10 Metres South-East of Yeo Farmhouse

Yeo Mill is a water mill with adjoining shippon and linhay, located approximately 10 metres south-east of Yeo Farmhouse near Chagford. The core of the buildings dates to the 17th and 18th centuries and was refurbished in the mid-19th century.

The mill is built of granite stone rubble with granite dressings and large quoins, now with a corrugated iron roof (formerly thatch). The main mill block stands three storeys high with its gable end facing south-south-west onto the road. A wheel house and saw mill are attached to its right (east) side. A linhay at an oblique angle faces back into the farmyard, with a lower shippon block containing a hayloft positioned behind on the same axis as the mill.

The gable front of the mill displays 19th-century fixed pane windows with glazing bars on the upper and lower floors, and a central loading hatch alongside a blocked doorway. On the western farmyard side, behind the linhay, stands a large double-doored doorway with a loading hatch above, protected by a hood formed by the roof line. The wheel house and saw mill have lean-to roofs.

The linhay is open-fronted with two bays, the tallet crossbeam carried on a granite post with a timber post rising from it to carry the roof in Alcock's type S2 construction. The tallet continues across a granite-walled byre. The end wall contains a ground-floor window and first-floor loading hatch. The shippon features a through passage next to the mill, three slit windows on each side, a hayloft loading hatch on the farmyard side, and a dung hatch in the end wall fitted with a boarded cover hung on rollers on an iron rail. All roofs are gable-ended.

The interior displays consistently plain exposed structural carpentry throughout. The roofs comprise A-frame trusses with pegged and sometimes spiked lap-jointed collars, detail that cannot be precisely dated but could belong to either the 18th or 19th century.

The working mill machinery is the building's most significant feature. A leat from the South Teign feeds an overshot wheel dating from 1877, constructed with wrought iron buckets, wooden belly and arms, metal rims, and metal shaft. The wheel has a capacity of 600 cubic feet per minute and drives an ingenious collection of belt-driven machinery. Originally used for threshing and grinding corn, it has been adapted for various purposes including crushing oats, operating mechanical devices for the farm and smithy, driving a circular saw, a lathe, and other saw milling equipment. The wheel also generates electricity. The original electrical generation plant was first operated on the evening of 4th January 1893, making it one of the earliest electrical power plants on record. Although the original plant has been replaced, the mill machinery remains operational despite the house being connected to mains electricity in 1986. Most saw mill machinery still survives.

Yeo Mill forms part of an important and well-preserved group of listed buildings in the locality, including Yeo Farmhouse, its office and garden railings, the Old School House, the smithy and cartshed, and a barn. The Perryman family have occupied the site since approximately 1450.

A secondary cow byre in front of the original structure and a shelter to the rear of the linhay are not included in the listing.