3 Second Avenue London W10 4RN

1. 21 Aug 2025

   Received by Westminster

2. 30 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 6 Nov 2025

   Decision issued: Application Permitted

4. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 6 November 2025, 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.

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.

• 616 Harrow Road London W10 4NJ

  25/05446/FULL Submitted 4 Aug 2025 50 yards away

  Construction of two dormer windows at the rear and extension of upper flat.

  Refused Full applications Extension Loft or dormer +1 27 docs

• 598 Harrow Road London W10 4NJ

  25/08276/FULL Submitted 12 Nov 2025 50 yards away

  Erection of a dormer extension to the rear roofslope and installation of two rooflights to the front roofslope.

  Refused Full applications Extension Loft or dormer 17 docs

• 24 Alperton Street London W10 4NQ

  25/09038/FULL Submitted 12 Dec 2025 50 yards away

  Variation of condition 1 of planning permission dated 25 April 2025 (RN: 25/00499/FULL) for the: Erection of ground floor rear infill extension, with associated alterations to windows and doors. Installation of rooflights. Namely, to allow alterations to rear fenestration so that French doors to the extension is replaced by a picture window and the window to the closet wing is replaced by French windows, and glass roof to extension pitched roof replaced with 3 separate rooflights.

  Granted Full applications Extension Loft or dormer +1 17 docs

• 598 Harrow Road London W10 4NJ

  26/01862/FULL Submitted 23 Mar 2026 50 yards away

  88% historically approved · decision due ~10 Jul

  Erection of a dormer extension to the rear roofslope and installation of rooflight to the front roofslope.

  Awaiting decision Full applications Extension Loft or dormer 19 docs

• 33 Alperton Street London W10 4NG

  26/06319/CLOPUD Submitted 15 Sep 2026 50 yards away

  84% historically approved · decision due ~10 Nov

  Installation of solar panels.

  Awaiting decision Lawful development

• 594 Harrow Road London W10 4NJ

  26/02987/FULL Submitted 6 May 2026 50 yards away

  88% historically approved · decision due ~1 Jul

  Construction of two rear dormer roof extensions and installation of two front-facing rooflights.

  Awaiting decision Full applications Extension Loft or dormer 13 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