Lower Engine House (At SW698472)

LOWER ENGINE HOUSE (AT SW698472)

Listed on the National Heritage List for England. Search over 400,000 listed places

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Overview

Heritage Category:
Listed Building
Grade:
II
List Entry Number:
1138036
Date first listed:
31-Oct-1988
List Entry Name:
Lower Engine House (At SW698472)
Statutory Address:
LOWER ENGINE HOUSE (AT SW698472)
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Location

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Date:
2002-08-04
Reference:
IOE01/07947/16
Rights:
© Mr Donald McCulloch. Source: Historic England Archive

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Official list entry

Heritage Category:
Listed Building
Grade:
II
List Entry Number:
1138036
Date first listed:
31-Oct-1988
List Entry Name:
Lower Engine House (At SW698472)
Statutory Address 1:
LOWER ENGINE HOUSE (AT SW698472)

The scope of legal protection for listed buildings

This List entry helps identify the building designated at this address for its special architectural or historic interest.

Unless the List entry states otherwise, it includes both the structure itself and any object or structure fixed to it (whether inside or outside) as well as any object or structure within the curtilage of the building.

For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.

Understanding list entries

Corrections and minor amendments

The scope of legal protection for listed buildings

This List entry helps identify the building designated at this address for its special architectural or historic interest.

Unless the List entry states otherwise, it includes both the structure itself and any object or structure fixed to it (whether inside or outside) as well as any object or structure within the curtilage of the building.

For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.

Understanding list entries

Corrections and minor amendments

Location

Statutory Address:
LOWER ENGINE HOUSE (AT SW698472)

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

District:
Cornwall (Unitary Authority)
Parish:
St. Agnes
National Grid Reference:
SW6978247271

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

Legacy

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

Legacy System number:
63860
Legacy System:
LBS

Sources

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

Legal

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

Ordnance survey map of Lower Engine House (At SW698472)

Map

This map is for quick reference purposes only and may not be to scale. This copy shows the entry on 23-Jun-2026 at 20:11:37.

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© Crown copyright [and database rights] 2026. OS AC0000815036. Use of this mapping is subject to Terms and Conditions.

End of official list entry

All text content is available under the Open Government Licence v3.0 , except where otherwise stated. Any supplied maps are © Crown Copyright [and database rights] 2026 OS AC0000815036 and may not be reproduced without permission.

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