History in Structure

Lower Engine House (At SW698472)

A Grade II Listed Building in St. Agnes, Cornwall

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Coordinates

Latitude: 50.2804 / 50°16'49"N

Longitude: -5.2327 / 5°13'57"W

OS Eastings: 169782

OS Northings: 47271

OS Grid: SW697472

Mapcode National: GBR Z3.9GJR

Mapcode Global: VH12C.861W

Plus Code: 9C2P7QJ8+5W

Entry Name: Lower Engine House (At SW698472)

Listing Date: 31 October 1988

Grade: II

Source: Historic England

Source ID: 1138036

English Heritage Legacy ID: 63860

ID on this website: 101138036

Location: Porthtowan, Cornwall, TR4

County: Cornwall

Civil Parish: St. Agnes

Traditional County: Cornwall

Lieutenancy Area (Ceremonial County): Cornwall

Church of England Parish: Mount Hawke with Mithian

Church of England Diocese: Truro

Tagged with: Chimney

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Description


ST AGNES TYWARNHAILE MINE
SW 74 NW
7/232 Lower Engine House (at SW698472)
-
GV II

Ruins of pumping beam engine house, disused. Circa early C19. Killas rubble walls,
timber lintels over the openings.
Plan: Rectangular plan engine house of a possibly unique design. This was the last
engine house to be fitted with a wooden bob (the beam of the beam engine). No
surviving machinery.
Exterior: 3 storeys. Unaltered elevations. Front (bob) gable wall has central
doorway and tall wide opening to the partly fallen gable. Rear gabled end is blind.
Right-hand (nearside) wall has doorway on the left and a central first floor opening.
Left-hand (offside) gable end wall has doorway on the right and central first floor
opening. The upper floor walls are stepped in from the floors below.
Interior has remains of original plaster.
Sources: Source: Sharpe, Adam and Smith, John. Engine Houses in St Agnes Parish.
(Cornwall Archaeological Unit survey for Carrick District Council.


Listing NGR: SW6978247271

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