20, CASTLE STREET

20, CASTLE STREET

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:
1268944
Date first listed:
12-Apr-1973
List Entry Name:
20, CASTLE STREET
Statutory Address:
20, CASTLE STREET
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Location

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Archive image, may not represent current condition of site.
Date:
2000-09-03
Reference:
IOE01/01240/31
Rights:
© Mr A. Gude. Source: Historic England Archive

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Official list entry

Heritage Category:
Listed Building
Grade:
II
List Entry Number:
1268944
Date first listed:
12-Apr-1973
List Entry Name:
20, CASTLE STREET
Statutory Address 1:
20, CASTLE STREET

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:
20, CASTLE STREET

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

County:
Hertfordshire
District:
East Hertfordshire (District Authority)
Parish:
Hertford
National Grid Reference:
TL 32598 12459

Details

HERTFORD

TL3212SE CASTLE STREET
817-1/20/29 (West side)
12/04/73 No.20

GV II

House, now offices. Mid/late C18 front to slightly earlier
structure, with late C20 alterations. Red brick, Flemish bond,
with some overburnt headers, orange-red dressings, sides and
rear plastered over timber-frame, three quarter hipped old
tiled roof. Central entry plan, 3-bay front.
EXTERIOR: first floor has 2 triple 4:12:4-pane sashes, and
central 12-pane sash, recessed beneath rubbed brick arches.
First floor plat band. Ground floor has 2 triple 4:12:4-pane
sashes. Central recessed 6-panel door with panelled
reveals,architrave surround, doorcase with Tuscan Doric
pilasters, entablature with triglyph frieze and panelled
metopes and flat modillioned moulded cornice. Portland stone
threshold.
Roof with 3 box casement dormers (outer 3-light, central
2-light), square red brick chimneystacks.
Rear outshut of 2 storeys, with weatherboarded upper floor,
linked to large modern rear outshut which is not of special
interest.
INTERIOR: much altered, some C18 cornices, stair with Tuscan
column newels, stick balusters and moulded handrails. Roof
with riven and sawn rafters, thin ridge board.
(Hertfordshire Countryside: Forrester H: Hertford homes in
Georgian days: Letchworth: 1946-1961: 150-152).





Listing NGR: TL3259812459

Legacy

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

Legacy System number:
461280
Legacy System:
LBS

Sources

Books and journals
Hertfordshire Countryside in Hertfordshire Countryside, (1946-1961), 150-152

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 20, CASTLE STREET

Map

This map is for quick reference purposes only and may not be to scale. This copy shows the entry on 14-Jun-2026 at 18:57:10.

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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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