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Planning application

17 - 21 South Audley Street London W1K 2NY

Decided Westminster 26/05507/LBC Heritage and listed buildings

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Removal of lower floorboards, installation of a new floor build-up, refurbishment and reinstatement of existing historic floorboards, and associated works to the Library/Lounge and Stair 03 at ground floor level.

As published by the council, reference 26/05507/LBC

Application record

Reference
26/05507/LBC
Category
Heritage and listed buildings
Status
Decided
Received
13 Aug 2026
Validated
13 Aug 2026
Postcode
W1K 2NY

Site history

Applications at this address on the Westminster register

This site has had 87 applications since 2023: 13 approved, 0 refused.

  • 26/07367/ADLBC Awaiting decision

    17 - 21 South Audley Street London W1K 2NY

    Details of new coordinated service routes pursuant to condition 6 (6) of listed building consent dated 14 March 2023 (RN: 22/05005/LBC)

    Submitted 28 Oct 2026
  • 26/07217/ADLBC Awaiting decision

    17 - 21 South Audley Street London W1K 2NY

    Detailed drawings with method statements of the new stairs, banisters and handrails and or associated junctions pursuant to condition 6.11 of listed building dated 14th March 2023 (RN:22/05005/LBC)

    Submitted 21 Oct 2026
  • 26/07200/ADLBC Awaiting decision

    17 - 21 South Audley Street London W1K 2NY

    Detailed drawings 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)

    Submitted 21 Oct 2026
  • 26/07142/ADLBC Awaiting decision

    17 - 21 South Audley Street London W1K 2NY

    Details of new coordinated services routes generally, showing distribution and proposed impact on existing historic fabric purusant to Condition 6.6 of Listed Building Consent dated 22/05005/LBC (RN:22/05005/LBC)

    Submitted 19 Oct 2026
  • 26/06825/ADFULL 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 coordinated service routes generally, showing distribution and proposed impact on existing historic fabric e.g. joists, floor construction, ventilation, wall and ceilings pursuant to Condition 6 (6) of planning permission dated 14th March 2023 (RN:22/05005/LBC)

    Submitted 6 Oct 2026
  • 26/06447/ADLBC Awaiting decision

    17 - 21 South Audley Street London W1K 2NY

    Details of reflected ceiling plans pursuant to condition 6 (part 10) of listed building consent dated 14 March 2023 (RN: 22/05005/LBC)

    Submitted 21 Sep 2026
  • 26/06405/ADLBC Decided

    17 - 21 South Audley Street London W1K 2NY

    Details of new secondary glazing showing each window type, location, key details and relationship to the existing window and existing historic fabric pursuant to discharge of condtion 6 (part 5) of listed building consent dated 27th September 2023 (RN: 22/05005/LBC).

    Submitted 18 Sep 2026
  • 26/06322/ADLBC Decided

    17 - 21 South Audley Street London W1K 2NY

    Detailed drawings (scale 1:20 and 1:5) with method statements where indicated; of the new stairs, banisters and handrails and or associated junctions pursuant to condition 6 (part 11) of listed building dated 14th March 2023 (RN: 22/05005/LBC)

    Decided 1 Oct 2026
  • 26/06159/ADLBC Awaiting decision

    17 - 21 South Audley Street London W1K 2NY

    Details of new and retained floor, ceiling and wall construction and coverings; reflected ceiling plans; existing wall paintings, cornices and new skirting and cornices pursuant to condition 6 (parts 2,10,12, and 13) of listed building consent dated 14 March 2023 (RN: 22/05005/LBC).

    Submitted 9 Sep 2026
  • 26/06145/ADLBC Awaiting decision

    17 - 21 South Audley Street London W1K 2NY

    Details of detailed existing and proposed elevation drawings pursuant to condition 13 of listed building dated 14th March 2023 (RN: 22/05005/LBC)

    Submitted 8 Sep 2026

Timeline

Dates from the published record

  1. 13 Aug 2026

    Received by Westminster

  2. 18 Aug 2026

    Added to PlanIndex

  3. 1 Oct 2026

    Status changed to Decided

    Previously Pending.

After the decision

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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 0.3 miles

  • 17 - 21 South Audley Street London W1K 2NY

    26/05784/ADLBC Submitted 24 Aug 2026 50 yards away

    89% historically approved · decision due ~19 Oct

    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/LBC).

    Decided

  • 17 - 21 South Audley Street London W1K 2NY

    26/04164/ADLBC Submitted 23 Jun 2026 50 yards away

    89% historically approved · decision due ~18 Aug

    Detailed drawings at 1:10 of the reconstructed dormer on the west elevation pursuant to condition 2 (A) of listed building dated 30th April 2026 (RN:26/01378/LBC)

    Decided Loft or dormer

  • 17 - 21 South Audley Street London W1K 2NY

    26/07142/ADLBC Submitted 19 Oct 2026 50 yards away

    89% historically approved · decision due ~14 Dec

    Details of new coordinated services routes generally, showing distribution and proposed impact on existing historic fabric purusant to Condition 6.6 of Listed Building Consent dated 22/05005/LBC (RN:22/05005/LBC)

    Awaiting decision

  • 17 - 21 South Audley Street London W1K 2NY

    26/06447/ADLBC Submitted 21 Sep 2026 50 yards away

    89% historically approved · decision due ~16 Nov

    Details of reflected ceiling plans pursuant to condition 6 (part 10) of listed building consent dated 14 March 2023 (RN: 22/05005/LBC)

    Awaiting decision

  • 17 - 21 South Audley Street London W1K 2NY

    26/04126/ADFULL Submitted 23 Jun 2026 50 yards away

    89% historically approved · decision due ~18 Aug

    Detailed drawings at 1:10 of the reconstructed dormer on the west elevation pursuant to condition 12 (A) of planning permission dated 30th April 2026 (RN:26/01377/FULL)

    Decided Loft or dormer

  • 17 - 21 South Audley Street London W1K 2NY

    26/04893/ADLBC Submitted 21 Jul 2026 50 yards away

    89% historically approved · decision due ~15 Sep

    Details of existing retained and relocated door schedule pursuant to condition 6.1 (b) of listed building consent dated 14 March 2023 (RN:22/05005/LBC)

    Decided

In Westminster

  • 26/06288/LBC Decided

    Barness Court 6 - 8 Westbourne Terrace London W2 3UW

    Installation of a gas pipework to south elevation and wall. (Linked with 26/06287/FULL)

    Received 14 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
  • 26/07529/LBC Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water supply pipe on rear courtyard elevation. (Linked with 26/07528/FULL)

    Received 5 Nov, published by the council 6 Nov 2026 Heritage and listed buildings
  • 26/07509/LBC Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07508/FULL)

    Received 4 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
  • 26/07473/LBC Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07472/FULL)

    Received 3 Nov, published by the council 6 Nov 2026 Heritage and listed buildings
  • 26/07471/LBC Awaiting decision

    12 Queen Anne's Gate London SW1H 9AA

    Excavation of single-storey basement, internal reconfiguration and installation of modern services. (Linked with 26/07470/FULL)

    Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings