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Brook House Tank

A Grade II Listed Building in Forden with Leighton and Trelystan, Powys

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Latitude: 52.6384 / 52°38'18"N

Longitude: -3.1143 / 3°6'51"W

OS Eastings: 324693

OS Northings: 305094

OS Grid: SJ246050

Mapcode National: GBR B1.6XLK

Mapcode Global: WH79Q.4Y87

Entry Name: Brook House Tank

Listing Date: 20 March 1998

Last Amended: 20 March 1998

Grade: II

Source: Cadw

Source ID: 19572

Building Class: Agriculture and Subsistence

Location: On N side and in garden of Brook House, and built on sloping ground.

County: Powys

Community: Forden with Leighton and Trelystan (Ffordun gyda Tre'r-llai a Threlystan)

Community: Forden with Leighton and Trelystan

Locality: Leighton

Traditional County: Montgomeryshire

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Erected early 1850s as a reservoir for manure slurry which was then pumped through a system of copper pipes to fields on the Leighton Estate. The slurry was composed of manure from Leighton Farm mixed with water and pumped uphill to the tank. Brook House Tank was the smallest of a group of 3 slurry tanks built on the east side of Leighton and was an integral part of the Leighton Estate, acquired by the Liverpool banker John Naylor in 1846-47. Here he embarked on an ambitious programme of building, principally Leighton Hall, church and Farm, which was largely completed by the mid 1850s. Naylor introduced new rational farming methods at Leighton, notably pioneering the recycling of manure as fertiliser. Naylor continued to extend and improve the Estate until his death in 1889. His grandson, Captain J.M. Naylor, sold the Estate in 1931.


One-storey, of brick with coped gables on moulded kneelers and slate roof. The front faces S and has central double doors under a segmental head with openings under segmental heads to L and R. Similar openings to rear with planked door in centre.


Not inspected.

Reasons for Listing

The Leighton Estate is an exceptional example of high-Victorian estate development. It is remarkable for the scale and ambition of its conception and planning, the consistency of its design, the extent of its survival, and is the most complete example of its type in Wales. Brook House Tank is an important element of this whole ensemble at Leighton. It is a highly specialised building type which represented a bold attempt to revolutionise agricultural techniques in the context of a model farm of national significance.

Other nearby listed buildings

  • II Brook House
    Located approximately 1.0km SSE of Leighton church beneath Moel y Mab and situated on N side of an u
  • II Park Cottage
    Located approximately 1.0km SSE of Leighton church on the N side of a minor road E of Leighton Farm
  • II Park House
    Located approximately 1.1km SSE of Leighton church and situated S of a minor road E of Leighton Farm
  • II The Old Cable House
    Located approximately 1.0km SE of Leighton church and 0.5km E of Leighton Farm, on N side of an unme
  • II Bridge South East of Old Cable House
    Located approximately 0.5km E of Leighton Farm on the S side of a private forest road E of Leighton
  • II Leat to Park Pool
    Located approximately 1.0km SE of Leighton church and situated in a woodland plantation on the S sid
  • II Upper Cable House
    Located approximately 1km SE of Leighton church and reached by a path S of Leighton House.
  • II Rolan
    On E side of Leighton Farm and on N side of minor road to Moel-y-Mab. Hirddol is immediately to W.

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