Planning application
5 St Leonard's Terrace, London, SW3 4QA
Works: Extension Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Erection of single storey rear extension at lower ground floor, reinstatement of internal features and fenestration, reinstatement of original plan?form.?
As published by the council, reference LB/26/01147
Application record
- Reference
- LB/26/01147
- Type
- Listed Building Consent
- Status
- Decided
- Decision
- Grant Planning Permission/Consent
- Received
- 7 Jan 2026
- Decided
- 6 May 2026
- Ward
- Royal Hospital
- Parish
- 16
- Postcode
- SW3 4QA
Site history
Applications at this address on the Kensington and Chelsea register
This site has had 2 applications since 2026: 2 approved, 0 refused.
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PP/26/01146 Granted
5 St Leonard's Terrace, London, SW3 4QA
Erection of single storey rear extension at lower ground floor, reinstatement of internal features and fenestration, reinstatement of original plan?form.?
Timeline
Dates from the published record
-
7 Jan 2026
Received by Kensington and Chelsea
-
6 May 2026
Decision issued: Grant Planning Permission/Consent
-
20 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
8 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Kensington and Chelsea granted permission on 6 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 500 metres
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1 St Leonard's Terrace, London, SW3 4QA
Details required by condition 3h (submission of details - second floor stair detail) of listed building consent LB/25/04426 (Works at rear: rebuilding of ground floor scullery; construction of first floor extension; creation of first floor terrace; increase in height of 1st floor parapet (Cheltenham Terrace). Replacement and introduction of mansard roof at 3rd floor with small brick extension at rear to accommodate a lift. Alterations to windows at ground floor (lowering sills), introduction of slim profile double glazing, and refurbishment of external elevations. Internal refurbishment including reinstatement of original openings and plan form)
Withdrawn Conditions Extension Loft or dormer +1 10 docs -
1 St Leonard's Terrace, London, SW3 4QA
Details required by Condition 3 (submission of details - e) Details of all new external and internal doors (including lift doors), architraves, linings and fixings, in elevation (1:10), section (1:5) and mouldings (1:1) along with a plan clearly showing new and retained door locations and a schedule setting out materials and finishes. Doors to be traditionally jointed stile and rail and where glazed to have through glazing bars; h) details of new joinery other than window and door joinery in section (1:5 or 1:1) and elevation (1:10 or 1:5) along with details of materials, colour, finishes and fixings of Listed Building consent LB/25/04426 (Works at rear: rebuilding of ground floor scullery; construction of first floor extension; creation of first floor terrace; increase in height of 1st floor parapet (Cheltenham Terrace). Replacement and introduction of mansard roof at 3rd floor with small brick extension at rear to accommodate a lift. Alterations to windows at ground floor (lowering sills), introduction of slim profile double glazing, and refurbishment of external elevations. Internal refurbishment including reinstatement of original openings and plan form)
Withdrawn Conditions Extension Loft or dormer +1 10 docs -
5 St Leonard's Terrace, London, SW3 4QA
Erection of single storey rear extension at lower ground floor, reinstatement of internal features and fenestration, reinstatement of original plan?form.?
Granted Full applications Extension Windows or glazing 12 docsSmall domestic -
-
10 St Leonard's Terrace, London, SW3 4QB
Details required by condition 7 (Submission of details) of planning permission 21/07026 (Reinstatement of original butterfly roof with inset terrace and relocation of approved acoustic enclosure to central flat roof area)
Granted Conditions 7 docs -
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LB/26/03098 Granted
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Removal on non-original furniture, fixtures and fittings. Installation of new coffee shop to include new floor finish over existing screed floor (floor boards retained), new light fittings, new coffee counter, plumbing and services. Limited refurbishment to shop front such as painting and new sign in place of existing.
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LB/26/02918 Granted
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LB/26/02796 Granted
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LB/26/02248 Withdrawn
41 Halsey Street, London, SW3 2PT
Refinements to lower ground floor conservatory and basement extension through removal of low external wall, installation of full height sliding doors, and reinstatement of larger external steps. Replace glazed flat roof at ground floor level with glass-box extension incorporating solid floor structure and internal walk on rooflight. Installation of glazed sliding doors out to a Juliet balcony with metal railings balustrade. Create access from living room by lowering sill of window to form archway; Single-storey extension to closet wing, aligning depth with No.?40 Halsey Street. New timber-framed glazed doors to the rear of extended wing. Widening opening to half-level study within partition to accommodate new double doors. Sunroom will include full-height sliding doors and Juliet balcony with painted or PPC metal balustrades.