Sedding Telephone Exchange
SEDDING TELEPHONE EXCHANGE, SEDDING STREET
Listed on the National Heritage List for England. Search over 400,000 listed places
Overview
- Heritage Category:
- Listed Building
- Grade:
- II
- List Entry Number:
- 1389544
- Date first listed:
- 06-Nov-2001
- List Entry Name:
- Sedding Telephone Exchange
- Statutory Address:
- SEDDING TELEPHONE EXCHANGE, SEDDING STREET
Location
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Discover moreOfficial list entry
- Heritage Category:
- Listed Building
- Grade:
- II
- List Entry Number:
- 1389544
- Date first listed:
- 06-Nov-2001
- List Entry Name:
- Sedding Telephone Exchange
- Statutory Address 1:
- SEDDING TELEPHONE EXCHANGE, SEDDING 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.
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:
- SEDDING TELEPHONE EXCHANGE, SEDDING STREET
The building or site itself may lie within the boundary of more than one authority.
- County:
- Greater London Authority
- District:
- Kensington and Chelsea (London Borough)
- Parish:
- Non Civil Parish
- National Grid Reference:
- TQ 28024 78777
Details
249/0/10229 SEDDING STREET
06-NOV-01 Sedding Telephone Exchange
GV II
Telephone Exchange. 1924 by John H. Markham FRIBA for HM Office of Works. Neo-Georgian telephone exchange faced in red brick (laid in English bond) and Portland stone; cast iron Neo-Grec railings, cast iron royal coat of arms over entrance, metal windows, roof not visible. Three storeys with attic and basement. Entrance front on Sedding Street: five-bay central section, blind side bays, single bay continuation to left; two-bay south-facing return. Portland stone plinth, plat band at first floor, heavy dentil cornice, coping to parapet. Stone door surround with guilloche ornament with fluted rod above, from which is suspended fillets with hand-held telephone sets. Tall windows to first floor with gauged brick arches; central window has a stone surround and pediment, and a cast iron balcony with heavy Baroque foliage supporting the royal coat of arms and urn finials. All windows are metal-framed. Second floor windows with stone cills. Northern elevation to Sloane Terrace with projecting bays at either end and a central five-bay section. Tripartite windows to end bays on ground and first floors, the latter with pediments. Ventilation openings with ornamental cast iron screens at second floor level. Side bays have lobed rectangular windows to second floors, main central section has windows with stone cills and gauged arches. Attic windows to central section, shallow pyramidal-capped stone terminations to side bays. Cast iron railings with anthemion finials and lozenge-decorated panels in front of area. Interior not inspected. HISTORY: this was built as the Sloane Telephone Exchange: a drawing of the building was exhibited at the 1924 Royal Academy exhibition (see The Builder May 30 1924, 868). An exceptionally good example of the Office of Works' characteristic Neo-Georgian output, displaying its attention to detail, high quality of construction, and subtle use of decoration.
Legacy
The contents of this record have been generated from a legacy data system.
- Legacy System number:
- 488230
- Legacy System:
- LBS
Sources
Books and journals
The Builder in 30 May, (1924), 868
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 20-Jun-2026 at 02:02:37.
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.