Frognal House

FROGNAL HOUSE, FROGNAL AVENUE

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

Explore this list entry

Overview

Heritage Category:
Listed Building
Grade:
II*
List Entry Number:
1064228
Date first listed:
30-May-1978
List Entry Name:
Frognal House
Statutory Address:
FROGNAL HOUSE, FROGNAL AVENUE

Have you got a photo to share?

Join the Missing Pieces Project. We want you to share your photos and memories.

Location

Location of this list entry and nearby places that are also listed. Use our map search to find more listed places. 

There is a problem

Use of this mapping is subject to terms and conditions .

This map is for quick reference purposes only and may not be to scale.

What is the National Heritage List for England?

The National Heritage List for England is a unique register of our country's most significant historic buildings and sites. The places on the list are protected by law and most are not open to the public.

The list includes:

Icon Buildings
Icon Scheduled monuments
Icon Parks and gardens
Icon Battlefields
Icon Shipwrecks

Find out more about listing

Images of England Project

To view this image please use Firefox, Chrome, Safari, or Edge.
Archive image, may not represent current condition of site.
Date:
2003-11-10
Reference:
IOE01/11662/04
Rights:
© Mr Geoffrey Farrow. Source: Historic England Archive

Local Heritage Hub

Unlock and explore hidden histories, aerial photography, and listed buildings and places for every county, district, city and major town across England.

Discover more

Official list entry

Heritage Category:
Listed Building
Grade:
II*
List Entry Number:
1064228
Date first listed:
30-May-1978
List Entry Name:
Frognal House
Statutory Address 1:
FROGNAL HOUSE, FROGNAL AVENUE

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:
FROGNAL HOUSE, FROGNAL AVENUE

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

County:
Greater London Authority
District:
Bexley (London Borough)
Parish:
Non Civil Parish
National Grid Reference:
TQ4647970832

Details

1.
5005
TQ 4670
18/1
30.5.78

FROGNAL AVENUE
Sidcup
Frognal House

II
GV

2.
Large country house, mainly C17 and C18 external elevations, but older fragments
inside, the whole arranged around a courtyard. The south range contains remains
of a C15 timber-framed building of 2-bay hall and storeyed wing at east end;
C16 framed wing added at west end extending into west range; this now cased
in brick of late C17, 2 main storeys of red brick, 11 sash windows with glazing
bars, right hand pair of windows blind; brick band course, moulded cornice
and ramped parapet; central doorway with cornice on carved console brackets.
East range is founded on stone building of circa 1550; the stone foundation
survives to water table level on the east front; this range has been rebuilt
in C17 and early C18 and now has fine red brick front, 2 storeys and 11 segmental
headed sash windows with glazing bars, the right hand 2 windows an addition
at the time of the latest rebuilding; central doorway with flat hood on carved
console brackets. North and west ranges are service quarters, the north range
brick on stone foundations similar to the east range, the west range a C17
brick encasing of the C16 timber-framed added wing to original hall. Additions
to north-west include a C19 single storey ballroom and a short C19 2 storey
range joining main house to 5 window 2 storey C18 building in red brick.
Internal courtyard shows stone building surviving to first floor level on
east and north ranges, with fine galletted pointing; 4-centred stone head
to cellar door in east range; 2 blocked windows with stone surrounds, one
in upper wall of original kitchen, the other over original ground floor doorway,
in north range; this doorway has pegged and chamfered wooden jambs. Staircase
tower in south-east corner of courtyard contains early C18 staircase with
fluted and turned balusters and carved tread-ends. The east range contains
a blocked original C16 fireplace at south end and inserted C17 chimney stack
in the centre; on the first floor is an 8 bay gallery with raised and fielded
panelling and white marble bolection chimney piece between giant fluted Corinthian
pilasters ; back stairs at north end of range are C17, originally lit by now
blocked window with stone surround. North range contains 2 original blocked
fireplaces, a window with original wood surround and ferramenta on north wall
and 2 original timber-framed partitions. The west room on ground floor in
the south range contains a bolection moulded marble chimney piece.
House owned in early C16. by Markes Dyngley whose will (1550) refers to a new
cellar and a new chamber; early C17 owner Sir William Watkins is said to have
improved the house; subsequent owners included Sir Philip Warwick (ob 1683,
see D.N.B.), the Tryon family and the Viscounts Sydney (first Viscount, ob.
1800, see D.N.B.); became a hospital in 1917; consent for use as offices given
in 1980.
Reference: Webb, History of Chislehurst, 1899.

Listing NGR: TQ4647970832

Legacy

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

Legacy System number:
198673
Legacy System:
LBS

Sources

Books and journals
Webb, , History of Chislehurst, (1899)

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 Frognal House

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 13:04:51.

Download a full scale map (PDF)
© 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.

Previous Overview
Next Comments and Photos