Trewarthenick

TREWARTHENICK

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:
1291655
Date first listed:
27-Nov-1985
List Entry Name:
Trewarthenick
Statutory Address:
TREWARTHENICK

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Date:
2004-11-04
Reference:
IOE01/13508/29
Rights:
© Ms Pamela Dodds. Source: Historic England Archive

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Official list entry

Heritage Category:
Listed Building
Grade:
II
List Entry Number:
1291655
Date first listed:
27-Nov-1985
List Entry Name:
Trewarthenick
Statutory Address 1:
TREWARTHENICK

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:
TREWARTHENICK

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

District:
Cornwall (Unitary Authority)
Parish:
Tregony with Cuby
National Grid Reference:
SW 90307 44260

Details

In the entry for

SW 94 SW TREGONY

5/86 Trewarthenick

Amend the date in the description at the end of the third line to "1925" and amend the date in the beginning of the seventeenth line to "1925"

------------------------------------

SW 94 SW TREGONY

5/86 Trewarthenick - - II

Country house, formerly larger. 1686 reset datestone and altered including remodelling by H Repton circa 1792 and extended with flanking wings by Henry Harrison of London 1831 and possibly rear wings. Flanking wings removed circa 1950. Dressed and finely coursed slatestone to front with rubble stone or face-brick elsewhere, Delabole dry slate roofs with gable ends to rear wings. C20 roof of main part hidden by parapet over moulded cornice. Double depth plan with nearly central stair well, plus rear wings. 2 storeys with part basement and 3 storey wings. Symmetrical 7 window east front with 3 centre bays broken forward below simple plain pediment. Central doorway with glazed double doors and spoken fanlight over. Stonework immediately beside door and above containing datestone is a later infilling possibly following removal of doorcase or porch. 12-paned wood sashes with thin glazing bars, possibly 1831. Those without horns (in the break forward) may date from Repton's time. Original flat arches over openings. First floor sill band. Moulded cornice and plain ashlar parapet: possibly by Repton. High coupled stucco chimneys possibly by Harrison. The north front contains Tuscan distyle in antis pedimented pricnipal entrance broken forward with tripartite sash over and datestone 1934 in walling above. Lighting basement to left are two 2-light granite moulded mullioned windows possibly reused from earlier house. High walling to right surrounding courtyard and masking part of rear contains arched granite doorway. C18 lead downpipes left and right. South face of rear wing 16-pane wood sashes. Interior has several rooms with original panelling. Oak panelled room to south-east corner and pine panelled room to north-east both have robust bolection mouldings. Main room between hall has marble chimneypiece in mid C18 style. Ceiling cornices in several rooms of various periods. Lantern over stair well. Trewarthenick was home of Gregor family from 1640. A watercolour of house dated 1792 shows the original treatment of the front. Repton's Red Book for the property survives in the County Record Office. Rubble stone terrace walls with ashlar capping before the east front. Notable member of family was William Gregor, who discovered Manaccanite circa 1790, later renamed Titanium after German analyst J C Claproth also isolated the metal in 1795 (Church guide). Henry Harrison c.1785-c.1865 (q.v. Ennys 1833, Mylor Parish; Port Elliot St Germans parish Pevsner Buildings of England, 1970 NRM, CRO, D Stroud The Works of H Repton

Listing NGR: SW9030744260

Legacy

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

Legacy System number:
62915
Legacy System:
LBS

Sources

Books and journals
Stroud, D, The Works of Humphrey Repton, (1962)
Pevsner, N, The Buildings of England: Gloucestershire: The Cotswolds, (1970)

Other
Register of Parks and Gardens of Special Historic Interest in England, Part 8 Cornwall and Isles of Scilly,

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 Trewarthenick

Map

This map is for quick reference purposes only and may not be to scale. This copy shows the entry on 07-Jun-2026 at 23:16:41.

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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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