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List Entry Summary

This building is listed under the Planning (Listed Buildings and Conservation Areas) Act 1990 as amended for its special architectural or historic interest.


List entry Number: 1138036



The building may lie within the boundary of more than one authority.


District: Cornwall

District Type: Unitary Authority

Parish: St. Agnes

National Park: Not applicable to this List entry.

Grade: II

Date first listed: 31-Oct-1988

Date of most recent amendment: Not applicable to this List entry.

Legacy System Information

The contents of this record have been generated from a legacy data system.

Legacy System: LBS

UID: 63860

Asset Groupings

This list entry does not comprise part of an Asset Grouping. Asset Groupings are not part of the official record but are added later for information.

List entry Description

Summary of Building

Legacy Record - This information may be included in the List Entry Details.

Reasons for Designation

Legacy Record - This information may be included in the List Entry Details.


Legacy Record - This information may be included in the List Entry Details.


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

Selected Sources

Books and journals
Sharpe, A, Smith, J, Engine Houses in St Agnes Parish

National Grid Reference: SW6978247271


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End of official listing