Clarendon Flats Balderton Street London W1K 6TH

This site has had 2 applications since 2026.

• 26/07176/LBC Awaiting decision

  Clarendon Flats Balderton Street London W1K 6TH

  Structural repairs and resurfacing to balcony walkways, introduction of surface drainage, replacement of existing roof insulation, finishes, weathering and rooflights. (Linked to 26/07175/FULL)

  Submitted 20 Oct 2026 Heritage and listed buildings

1. 20 Oct 2026

   Received by Westminster

2. 27 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 15 December 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 91 days over the applications it decided in the last year.

1 later application on the register refers to this one:

• 26/07176/LBC Awaiting decision

  Clarendon Flats Balderton Street London W1K 6TH

  Structural repairs and resurfacing to balcony walkways, introduction of surface drainage, replacement of existing roof insulation, finishes, weathering and rooflights. (Linked to 26/07175/FULL)

  Submitted 20 Oct 2026 Heritage and listed buildings

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.

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.

• Clarendon Flats Balderton Street London W1K 6TH

  26/07176/LBC Submitted 20 Oct 2026 50 yards away

  90% historically approved · decision due ~15 Dec

  Structural repairs and resurfacing to balcony walkways, introduction of surface drainage, replacement of existing roof insulation, finishes, weathering and rooflights. (Linked to 26/07175/FULL)

  Awaiting decision Heritage and listed buildings Loft or dormer

• 1 Balderton Street London W1K 6TL

  23/04318/FULL Submitted 26 Jun 2023 50 yards away

  Installation of a new shopfront, sliding up aluminium frame window, retractable awning, projected for 1.5 meters and within fore court provided including new signage. (Unit to the South East corner of 413-437 Oxford Street)

  Refused Full applications Windows or glazing 43 docs

• 8 Balderton Street London W1K 6TF

  26/04915/FULL Submitted 22 Jul 2026 50 yards away

  88% historically approved · decision due ~22 Sep

  Installation of external lighting to the facade along with associated fixtures and fittings. (Linked to 26/04737/LBC)

  Decided Full applications 24 docs

• 439-441 Oxford Street London W1C 2PN

  22/05367/ADV Submitted 5 Aug 2022 50 yards away

  Display of externally illuminated Christmas decorations to front facade during the christmas period each year for a period of 5 years.

  Granted Advertising 11 docs

• Payphone Site Outside 421 And 429 Oxford Street London W1K 6TL

  12/01083/ADV Submitted 6 Feb 2012 50 yards away

  Single sided vinyl advert measuring 704mm x 1800mm attached to one glazed face of each of two conjoined payphones located adjacent to 421 and 429 at junction with Balderton Street.

  Refused Advertising Windows or glazing 10 docs

• 20 Balderton Street London W1K 6TL

  05/09624/FULL Submitted 24 Nov 2005 50 yards away

  Retention of a condensing unit with acoustic screening within the first floor external stairwell on the south side of the building adjacent to Balderton Flats.

  Granted Full applications New dwelling 11 docs

• 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