Northumberland, £2.45 million
The original machinery and mill race, with the weir flowing into the Devils Water, are still in situ in the 12-acre grounds of The Linnels, near Hexham, which dates back to 1897. There are five bedrooms in the main house, a further three in the coach house and the surrounding land includes original stables, workshops and an orangery. Its woodland, leading down to the weir, is enchanting, with decorative bridges, meandering paths and a disused swimming pool. Finest Properties (01434 622234)
Hertfordshire, £3.85 million
Built in 1886 as a hunting lodge, Hay House, just north of the popular village of Braughing, has been sufficiently updated to include a pool, tennis court, boating lake and helipad, all within splendid grounds extending to 40 acres. The five/six-bedroom house…