Planning application
17 - 21 South Audley Street London W1K 2NY
Works: Extension 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
Amendments to planning permission dated 14th March 2023 (RN:22/05004/FULL) for, "Alteration and extension of existing buildings including removal of one single storey extensions and one part single and part two storey extension, erection of infill extensions at first to third floor levels, a replacement part single storey and part three storey side extension adjoining Mount Street Garden and a replacement single store extension fronting onto South Street, use of part lower ground and part ground floor levels as an art gallery with ancillary storage and office accommodation (Class E), use of part basement/lower ground , part ground floor and first to fourth floor levels to aparthotel to provide 10 visitor accommodation units (Class C1) with ancillary facilities at ground and lower ground floor level, including communal lounge/library at ground floor level, use of ground to third floor of no.35A South Street, first and second floors of no.35 South Street and first to fourth floor of no. 17 South Audley Street as six residential units (Class C3), creation of terraces at first floor level within a central greened courtyard, installation of plant and associated external alterations" [Site includes 22 South Audley Street, 35 South Street and 35A South Street]; Namely, the revision to the wording of Condition 32.
As published by the council, reference 23/03610/NMA
Application record
- Reference
- 23/03610/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Application Permitted
- Received
- 30 May 2023
- Validated
- 30 May 2023
- Decided
- 21 Jun 2023
- Ward
- West End
- Decision by
- Delegated Decision
- Postcode
- W1K 2NY
Site history
Applications at this address on the Westminster register
This site has had 75 applications since 2023: 13 approved, 0 refused.
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26/05839/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Details of a windows condition survey, with a method statement for the repair, refurbishment, retention, and replacement of windows (where demonstrated to be necessary), pursuant to Condition 12.1 of listed building dated 14th March 2023 (RN:22/05005/LBC)
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26/05784/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Details of new external doors each type showing location and given key details with adjacent fabric pursuant to condition 5.4 of Listed Building Consent dated 14th March 2023 (RN:22/05005).
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26/05760/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Detailed drawings (scale 1:20 and 1:5) with method statements where indicated; of the new and retained floor, ceiling and wall construction and coverings with detailed build ups and locations proposed impact on existing historic fabric e.g. joists, floor construction pursuant to condition 6 (2) of listed building dated 14th March 2023 (RN:22/05005/LBC)
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26/05753/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Details of plaster condition survey with a method statement for the repair of plasterwork or its replacement where demonstrated to be necessary; pursuant to condition 12 (part 3) of Listed Building Consent dated 14th March 2023 (22/05005/LBC)
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26/05755/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Details of plaster condition survey with a method statement for the repair of plasterwork or its replacement where demonstrated to be necessary; pursuant to condition 12 (part 3) of Listed Building consent dated 14th March 2023 (22/05005/LBC)
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26/05742/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Detailed drawings of grilles/louvres, railings, balconies, each type showing location and giving key details with adjacent fabric pursuant to condition 5.3 of listed building dated 14th March 2023 (RN:22/05005/LBC)
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26/05752/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Details of a plaster condition survey with a method statement including a survey schedule of existing structural timberwork with a method statement; pursuant to condition 12 (part 3 and 8) of Listed Building consent dated 14th March 2023 (22/05005/LBC)
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26/05754/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Details of plaster condition survey with a method statement for the repair of plasterwork or its replacement where demonstrated to be necessary; pursuant to condition 12 (part 3) of Listed Building Consent dated 14th March 2023 (22/05005/LBC)
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26/05624/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Details of survey schedule of existing structural timberwork and method statement pursuant to Condition 12 (8) of listed building consent dated 14th March 2023 (RN:22/05005/LBC).
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26/05619/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Detailed drawings of the new glazed roof pursuant to condition 2 (B) of listed building dated 30th April 2026 (RN: 26/01378/LBC)
Timeline
Dates from the published record
-
30 May 2023
Received by Westminster
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21 Jun 2023
Decision issued: Application Permitted
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29 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, registered in London
944 applications on PlanIndex · across 113 councils · 98% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
9 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
Westminster granted permission on 21 June 2023, 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 amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 500 metres
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17 - 21 South Audley Street London W1K 2NY
90% historically approved · decision due ~20 May
Details of survey schedule of existing structural timberwork with method statement for the eradication of any identifed dry rot pursuant to condition 12(8) of listed building consent dated 14 March 2023 (RN: 22/05005/LBC )
Awaiting decision Conditions 4 docs -
17 - 21 South Audley Street London W1K 2NY
90% historically approved · decision due ~8 May
Removal and rebuilding of a leaning chimney stack including associated structural works to existing roof. (Linked to 26/01634/FULL)
Awaiting decision Heritage and listed buildings 27 docs -
17 - 21 South Audley Street London W1K 2NY
87% historically approved · decision due ~8 May
Removal and rebuilding of a leaning chimney stack including associated structural works to existing roof. (Linked to 26/01635/LBC)
Awaiting decision Full applications 27 docs -
17 - 21 South Audley Street London W1K 2NY
90% historically approved · decision due ~29 Apr
Replacement and upgrading of roof coverings and structure including replacement of glazing on the workshop roof, replacement roof slates, tiles, lead flashing, battens, sarking boards and the installation of insulation, ventilation, ply sheathing and other associated work. (Linked to 26/01377/FULL
Awaiting decision Heritage and listed buildings Roofing Windows or glazing -
17 - 21 South Audley Street London W1K 2NY
87% historically approved · decision due ~29 Apr
Replacement and upgrading of roof coverings and structure including replacement of glazing on the workshop roof, replacement roof slates, tiles, lead flashing, battens, sarking boards and the installation of insulation, ventilation, ply sheathing and other associated works (Linked to 26/01378/LBC)
Awaiting decision Full applications Roofing Windows or glazing 25 docs -
17 - 21 South Audley Street London W1K 2NY
90% historically approved · decision due ~17 Aug
Details of external steps and stairs and new stairs, banisters and handrails and or associated junctions pursuant to conditions 5 (6) and 6 (11) dated 14 March 2023 (RN: 22/05005/LBC).
Awaiting decision Conditions 18 docs
Other amendment applications
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26/05886/NMA Awaiting decision
10 Spring Gardens London SW1A 2BN
Amendments to planning permission dated 10th July 2025 (RN 25/00695/FULL) for the Use of part-ground, first, sixth, seventh and eighth floor levels as an Embassy (sui generis). Associated external alterations to the ground floor facade on Carlton House Terrace, and part ground floor to Piazza (Spring Gardens) frontage. External alterations to the doors. Installation of roof plant and security screens to the eighth floor. NAMELY, Addition of external attached building signage on West Elevation and South Elevation; Addition of two flagpoles on West Elevation; Addition of a parcel pass through, rather than fixed panel, to door on North Elevation; and omission of smoke vent and replacement with new paving to match existing paving.
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26/05881/NMA Awaiting decision
50A Warlock Road London W9 3LW
Amendments to planning permission dated 11 August 2026 (RN: 26/04158/FULL) for the: Erection of a single-storey rear extension at lower ground floor level; replacement of existing rear window with a door at ground floor level and creation of terrace with associated railings/screening; and associated external alterations. NAMELY, revise the height of the rear elevation kitchen French doors.
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26/05798/NMA Awaiting decision
3 Blenheim Road London NW8 0LU
Amendments to planning permission dated 18th January 2024 (RN:22/04886/FULL) for Excavation of single-storey basement extension with lightwells to front and rear gardens; Erection of single-storey extension to rear and three-storey extension to side; Formation of door to rear at lower ground floor level; Landscaping works; and associated external alterations. Namely, internal alterations and minor adjustment to rooflight position.
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26/05670/NMA Awaiting decision
64 St James's Street London SW1A 1NF
Amendments to planning permission dated 2nd September 2021 (21/02158/FULL) for: Demolition of the existing mansard roof and removal of plant and escape stair; erection of new double mansard roof extension and rear extension for additional commercial floorspace (Use Class E); and installation of new escape stair, rear balconies, roof terrace and associated works namely, amendments to allow for the installation of a condenser unit within the rear lightwell.
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26/05674/NMA Awaiting decision
52 Eaton Place London SW1X 8AL
Amendments to planning permission dated 25 September 2025 (25/05108/FULL) for: Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors namely, to allow replacement of second floor rear full height sash window with set of french doors.