The Mansion

THE MANSION, PORTERS PARK

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:
1346958
Date first listed:
12-Aug-1985
List Entry Name:
The Mansion
Statutory Address:
THE MANSION, PORTERS PARK

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Location

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Date:
2001-06-24
Reference:
IOE01/04283/21
Rights:
© Mr Douglas Fairbank. Source: Historic England Archive

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Official list entry

Heritage Category:
Listed Building
Grade:
II
List Entry Number:
1346958
Date first listed:
12-Aug-1985
List Entry Name:
The Mansion
Statutory Address 1:
THE MANSION, PORTERS PARK

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:
THE MANSION, PORTERS PARK

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

County:
Hertfordshire
District:
Hertsmere (District Authority)
Parish:
Shenley
National Grid Reference:
TL 17982 00789

Details

TL 10 SE SHENLEY PORTERS PARK Shenley

3/275 The Mansion -

- II

Formerly Country House, now used for hospital administration and accommodation. 1902 rebuilding of C18 or earlier house, dated on cupola. By C.J.Harold Cooper for C.Raphael. Stuccoed brick. Stone and timber dressings. Green slate roof. Half H plan extended, perhaps reflecting earlier arrangements. Edwardian Classical/Baroque Style. 3 storeys. 3:5:3. Ground floor of central range projects forward to plane of projecting wings. Ashlar Tuscan portico,hexastyle in antis,balustraded parapet. Entrance 2nd bay from right in timber porch with leaded, glazed panels. Timber glazing bar casements throughout, some sashes to wings and to rear. 2 bays to right on upper storeys of main range have an extra staircase window, all with stained glass. Continuous timber modillioned cornice over first floor. Coped parapet. Steeply pitched double span roof. Turret with cupola central to front ridge, Baroque detailing. Wings canted to front. Relieving arches over first floor windows. Left return similar with additions at front angle and to ground floor. Rear elevation, 3:5:3. Slightly projecting centre under a shallow gable with raking, moulded stone cornice. Central 3 bays: ground floor canted bay addition, 2nd floor single lugged architrave with central round-headed window and scrolled jambs. Rambling extensions to right, similar in appearance with simpler detail, a small ogee turreted bay to rear. Interior: complex open well stair with twin flights up to landing, panelling with carved ornament and plaster ceilings on ground floor all in C17 styles. N.Hawksmoor lived here up to his death in 1736. Admiral Lord Richard Howe also lived here. (RCHM Typescript: Pevsner 1977).

Listing NGR: TL1798200789

Legacy

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

Legacy System number:
164330
Legacy System:
LBS

Sources

Books and journals
Pevsner, N, Cherry, B, The Buildings of England: Hertfordshire, (1977)

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 The Mansion

Map

This map is for quick reference purposes only and may not be to scale. This copy shows the entry on 17-Jun-2026 at 07:36:52.

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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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