This browser is not fully supported by Historic England. Please update your browser to the latest version so that you get the best from our website.


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: 1138049



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: 63863

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 7/235 United Hills Engine House - (at SW 700472) GV II

Pumping beam engine house, disused. Circa mid-late C19. Granite ashlar front, otherwise rubble with granite dressings. Timber lintels over most of the openings. Brick to upper stage of chimney. Plan: Rectangular plan engine house with round chimney clasping the rear right-hand corner. No surviving machinery, wooden floors or roof structure. Exterior: 3 storeys. Unaltered elevations except for blocked doorway in offside wall. Front bob wall has tall central round-headed doorway. Rear gable end wall (partly fallen) has central round-headed cylinder doorway and a window opening above. Right-hand (nearside) wall has 5 irregularly disposed openings including a doorway on the left. Upper left of wall partly fallen. Left-hand (offside) wall has doorway on the right and small opening high up on the left. Interior: Not inspected. Source: Sharpe, Adam and Smith, John. Engine Houses in St Agnes Parish. (Cornwall Archaeological Unit survey for Carrick District Council.

Listing NGR: SW7000047200

Selected Sources

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

National Grid Reference: SW 69987 47215


© Crown Copyright and database right 2018. All rights reserved. Ordnance Survey Licence number 100024900.
© British Crown and SeaZone Solutions Limited 2018. All rights reserved. Licence number 102006.006.
Use of this data is subject to Terms and Conditions.

The above map is for quick reference purposes only and may not be to scale. For a copy of the full scale map, please see the attached PDF - 1138049 .pdf

The PDF will be generated from our live systems and may take a few minutes to download depending on how busy our servers are. We apologise for this delay.

This copy shows the entry on 15-Aug-2018 at 09:07:32.

End of official listing