The Grotto Located Within the Grounds of the Former Grove Estate

THE GROTTO LOCATED WITHIN THE GROUNDS OF THE FORMER GROVE ESTATE

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Overview

Heritage Category:
Listed Building
Grade:
II
List Entry Number:
1390752
Date first listed:
10-Oct-2003
List Entry Name:
The Grotto Located Within the Grounds of the Former Grove Estate
Statutory Address:
THE GROTTO LOCATED WITHIN THE GROUNDS OF THE FORMER GROVE ESTATE

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Location

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Official list entry

Heritage Category:
Listed Building
Grade:
II
List Entry Number:
1390752
Date first listed:
10-Oct-2003
List Entry Name:
The Grotto Located Within the Grounds of the Former Grove Estate
Statutory Address 1:
THE GROTTO LOCATED WITHIN THE GROUNDS OF THE FORMER GROVE ESTATE

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 GROTTO LOCATED WITHIN THE GROUNDS OF THE FORMER GROVE ESTATE

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

County:
Greater London Authority
District:
Harrow (London Borough)
Parish:
Non Civil Parish
National Grid Reference:
TQ 16274 93683

Details

1157/0/10068 The Grotto located within the grounds 10-OCT-03 of the former Grove Estate

II Grotto. Circa 1790. Brick inner core with flint and random stone facing to exterior, including conglomerates, sandstones, marble and tufa; scallop shell decoration to interior dome. The grotto, with an inner chamber, circular in plan, reached via a lobby, is set within an artificial mound of earth. The grotto is entered through a recessed arched doorway, set into the tripartite front. A circular hole at the top admits light to the circular subterranean chamber, which has a deliberately primitive altar opposite the entrance, formed from a heavy slab of Hertfordshire sandstone carried on squat legs, carved to represent arrow-filled quivers. The brick walls are plain, while the brick inner surface of the domed roof retains shell decoration comprising 12 rows of red cockle shells; impressions in the mortar at the top of the wall show that another row of shells ran around at this level too. The floor is of beaten earth, and shows no sign of any decorative treatment (ie pebbles, knuckle bones). The lantern may originally have been glazed. HISTORY: this grotto, a highly characteristic survival of mid-Georgian landscape architecture, belonged to the garden laid out around The Grove (demolished 1979). Re 'The Ambulator' in 1820, it was probably built on the orders of a German City merchant named Fierville, who possessed the estate between 1782 and 1790 when he was succeeded by Dr Alexander von Mayersbach. The grotto stood within a Wilderness: close by was a very unusual replica of Rousseau's grave on the Ile des Peupliers at Ermenonville; elsewhere on the estate was a hermitage and a mock-tumulus. The altar is an unusual feature, and may have been dedicated to Diana, Goddess of Hunting.The grotto is a reminder of a largely-vanished romantic landscape, and is symbolic of the earlier history of Stanmore as a place of genteel retirement.

Legacy

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

Legacy System number:
491324
Legacy System:
LBS

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 Grotto Located Within the Grounds of the Former Grove Estate

Map

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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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