23 York Street London W1U 6PF

This site has had 2 applications since 2026.

• 26/05053/LBC Decided

  23 York Street London W1U 6PF

  Installation of 6 condenser units at main roof level, new windows and doors and internal reconfiguration and refurbishment of the existing residential building to improve the layout of six self-contained flats, together with associated internal alterations, minor external alterations to the rear elevation. (Linked with 26/05052/FULL)

  Decided 2 Nov 2026 Heritage and listed buildings

1. 28 Jul 2026

   Received by Westminster

2. 4 Aug 2026

   Added to PlanIndex

3. 4 Nov 2026

   Status changed to Decided

   Previously Pending.

• 26/05053/LBC Decided

  23 York Street London W1U 6PF

  Installation of 6 condenser units at main roof level, new windows and doors and internal reconfiguration and refurbishment of the existing residential building to improve the layout of six self-contained flats, together with associated internal alterations, minor external alterations to the rear elevation. (Linked with 26/05052/FULL)

  Decided 2 Nov 2026 Heritage and listed buildings

1 later application on the register refers to this one:

• 26/05053/LBC Decided

  23 York Street London W1U 6PF

  Installation of 6 condenser units at main roof level, new windows and doors and internal reconfiguration and refurbishment of the existing residential building to improve the layout of six self-contained flats, together with associated internal alterations, minor external alterations to the rear elevation. (Linked with 26/05052/FULL)

  Decided 2 Nov 2026 Heritage and listed buildings

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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 23 York Street London W1U 6PF

  26/05053/LBC Submitted 28 Jul 2026 50 yards away

  Installation of 6 condenser units at main roof level, new windows and doors and internal reconfiguration and refurbishment of the existing residential building to improve the layout of six self-contained flats, together with associated internal alterations, minor external alterations to the rear elevation. (Linked with 26/05052/FULL)

  Decided Heritage and listed buildings New dwelling Windows or glazing

• 25 York Street London W1U 6PG

  07/08240/FULL Submitted 19 Sep 2007 50 yards away

  Use of the ground to fourth floors as a single family dwelling (Class C3).

  Granted Full applications 7 docs
  Domestic

• 25 York Street London W1U 6PG

  09/06358/ADLBC Submitted 4 Aug 2009 50 yards away

  Approval of details pursuant to Condition 5 of listed building consent dated 18 February 2009 (RN:09/00078); namely detailed drawings of the doors.

  Granted Conditions 4 docs

• 100 Gloucester Place London W1U 6HT

  25/08889/AD7 Submitted 8 Dec 2025 50 yards away

  Display for a temporary period of six months of a non-illuminated estate agent board affixed to the front railings and measuring 0.45m x 0.6m (Retrospective)

  Granted Advertising 10 docs

• Second Floor 31 Gloucester Place London W1U 6HT

  26/05530/FULL Submitted 13 Aug 2026 50 yards away

  88% historically approved · decision due ~14 Dec

  Erection of safety railings to raised patio area accessible from existing french doors of second floor flat. (Retrospective) (Linked to 26/05531/LBC)

  Awaiting decision Full applications Windows or glazing

• Second Floor 31 Gloucester Place London W1U 6HT

  26/05531/LBC Submitted 13 Aug 2026 50 yards away

  90% historically approved · decision due ~14 Dec

  Erection of safety railings to raised patio area accessible from existing french doors of second floor flat. (Retrospective) (Linked to 26/05530/FULL)

  Awaiting decision Heritage and listed buildings Windows or glazing

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL 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 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications