The Fortress
THE FORTRESS, COMMON LANE
Listed on the National Heritage List for England. Search over 400,000 listed places
Overview
- Heritage Category:
- Listed Building
- Grade:
- II
- List Entry Number:
- 1346892
- Date first listed:
- 12-Aug-1985
- List Entry Name:
- The Fortress
- Statutory Address:
- THE FORTRESS, COMMON LANE
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Location
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Discover moreOfficial list entry
- Heritage Category:
- Listed Building
- Grade:
- II
- List Entry Number:
- 1346892
- Date first listed:
- 12-Aug-1985
- List Entry Name:
- The Fortress
- Statutory Address 1:
- THE FORTRESS, COMMON LANE
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.
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.
Location
- Statutory Address:
- THE FORTRESS, COMMON LANE
The building or site itself may lie within the boundary of more than one authority.
- County:
- Hertfordshire
- District:
- Hertsmere (District Authority)
- Parish:
- Aldenham
- National Grid Reference:
- TQ 15167 97873
Details
TQ 19 NE ALDENHAM COMMON LANE (North side) Letchmore Heath
7/26 The Fortress -
- II
House. Late C18 or early C19, extended and altered c.1850-60. Stock brick, stuccoed. Slate roofs. Originally 4 window front. 2 storeys. Entrance in 3rd bay from right with Tuscan porch. Casements. Ground floor: two 3-light windows to right, 4-light window to left, moulded architraves with slightly cambered heads and bracketed sills. Floating bracketed cornices. First floor: 2-lights to left, 3-lights to right. Cornice to coped parapet with right end corner stack. 1 bay extension to left set back. 3-light casements, segmental head on first floor. Left return stack extruded with decorated pots, similar stack at original left end. Right return: plain brick with a full height canted bay. Flat roofed I storey outshut to rear right. To rear: mid C19 extension to left, parapet stepped up at angles. Garden entrance with sidelights and a bracketed cornice. First floor round headed staircase window, ornamented architrave. Stack with 4 decorated pots. To rear right is mid C19 square tower slightly taller than rest of house with round headed windows, stone balustraded parapet, corner ball finials. Octagonal stained glass lantern. Interior not inspected.
Listing NGR: TQ1516797873
Legacy
The contents of this record have been generated from a legacy data system.
- Legacy System number:
- 164073
- 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.
Map
This map is for quick reference purposes only and may not be to scale. This copy shows the entry on 15-Jun-2026 at 02:03:47.
Download a full scale map (PDF)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.