3 Mundy House 4 Dart Street London W10 4UL

1. 13 Oct 2026

   Received by Westminster

2. 15 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 8 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 86 days over the applications it decided in the last year.

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.

• 81 Third Avenue London W10 4HU

  25/08184/TCA Submitted 10 Nov 2025 100 yards away

  TT1-T3 3 x cypress: fell

  Granted Trees 6 docs

• 1A Beethoven Street London W10 4LG

  25/04353/ADFULL Submitted 25 Jun 2025 100 yards away

  88% historically approved · decision due ~20 Aug

  Details of appropriate arrangements to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site pursuant to condition 3 of planning permission dated 9th May 2025 (RN:25/01411/P3JPA)

  Awaiting decision Full applications 5 docs

• 1A Beethoven Street London W10 4LG

  25/05971/ADFULL Submitted 21 Aug 2025 100 yards away

  88% historically approved · decision due ~16 Oct

  Details of appropriate arrangements to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site pursuant to Condition 3 of planning permission dated 22nd July 2025 RN:25/03668/P3JPA)

  Awaiting decision Full applications 6 docs

• 101 Third Avenue London W10 4HS

  26/06339/CLOPUD Submitted 16 Sep 2026 100 yards away

  84% historically approved · decision due ~11 Nov

  Installation of solar panels.

  Awaiting decision Lawful development

• 65 Third Avenue London W10 4HU

  25/07856/TCA Submitted 29 Oct 2025 100 yards away

  T1 - cherry tree (8m): reduce crown by approximately 2m all round and reduce branches overhanging number 65 back to the boundary, pruning back to suitable growth points and shaping to create a natural flowing canopy outline.

  Granted Trees 8 docs

• 25 Marne Street London W10 4JE

  26/03566/FULL Submitted 1 Jun 2026 150 yards away

  88% historically approved · decision due ~30 Jul

  Erection of a rear single storey side infill extension at ground floor level and replacement of the existing sash windows to match original.

  Awaiting decision Full applications Extension Windows or glazing 13 docs
  Small domestic

• 26/05984/FULL Decided

  41 Sutherland Street London SW1V 4JX

  Replacement of front, side and rear windows with double glazed timber framed sash windows and replacement of a door with a double glazed timber framed door.

  Received 2 Sep, published by the council 11 Sep 2026 Full applications
• 26/06134/FULL Decided

  Flat 10H Hyde Park Mansions Cabbell Street London NW1 5BG

  Replacement of front and rear second floor level windows with slim-profile double-glazed panels, retaining the existing window and door frames.

  Received 8 Sep, published by the council 15 Sep 2026 Full applications
• 26/07258/FULL Awaiting decision

  16A Croxley Road London W9 3HL

  Installation of air to air heat pumps to offices and bedrooms.

  Received 22 Oct, published by the council 23 Oct 2026 Full applications
• 26/07193/FULL Awaiting decision

  98 Victoria Street London SW1E 5JL

  Shopfront alterations. (Linked with 26/07194/ADV)

  Received 21 Oct, published by the council 22 Oct 2026 Full applications
• 26/07187/FULL Awaiting decision

  Ground Floor Flat 151 Portnall Road London W9 3BN

  Erection of a single storey rear extension.

  Received 21 Oct, published by the council 22 Oct 2026 Full applications