129 Randolph Avenue London W9 1DN

This site has had 5 applications since 2025: 1 approved, 2 refused.

• 26/01889/FULL Awaiting decision

  129 Randolph Avenue London W9 1DN

  Replacement of existing front boundary wall with new London Stock walls and Wrought Iron railings and access door and bin store.

  Submitted 23 Mar 2026 Full applications
• 25/07958/NMA Refused

  129 Randolph Avenue London W9 1DN

  Amendments to planning permission dated 08 October 2025 (RN: 25/05523/FULL) for the: NAMELY, to allow the provision of an opaque timber-framed glazed panel along the side elevation of rear extension and formation of new sash window on the side elevation at lower ground floor level.

  Decided 21 Nov 2025 Amendments
• 25/06019/FULL Refused

  129 Randolph Avenue London W9 1DN

  Variation of condition 1 of planning permission dated 16th July 2025 (RN:25/02409/FULL) for the Erection of dormers to the rear and side slopes, installation of skylight to the roof crown and one small conservation rooflight to the side roofslope. Namely, to amend the size of the side dormer.

  Decided 23 Oct 2025 Full applications
• 25/05523/FULL Granted

  129 Randolph Avenue London W9 1DN

  Erection of a single storey rear extension with green roof and skylight at lower ground floor level; alterations to lower ground floor side windows and doors; replacement of existing windows with double glazed windows to match existing; and associated works.

  Decided 8 Oct 2025 Full applications

1. 24 Jun 2026

   Received by Westminster

2. 21 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 25 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 15 September 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 88 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.

• 137 Randolph Avenue London W9 1DN

  25/07510/TCA Submitted 16 Oct 2025 50 yards away

  1 x Bay (T1). Whole crown reduction, including reducing the overall height by approximately 5m, and reducing the radius of the crown by approximately 1m.

  Granted Trees 4 docs

• 129 Randolph Avenue London W9 1DN

  25/06019/FULL Submitted 22 Aug 2025 50 yards away

  Variation of condition 1 of planning permission dated 16th July 2025 (RN:25/02409/FULL) for the Erection of dormers to the rear and side slopes, installation of skylight to the roof crown and one small conservation rooflight to the side roofslope. Namely, to amend the size of the side dormer.

  Refused Full applications Loft or dormer 25 docs

• 129 Randolph Avenue London W9 1DN

  26/01889/FULL Submitted 23 Mar 2026 50 yards away

  88% historically approved · decision due ~9 Jun

  Replacement of existing front boundary wall with new London Stock walls and Wrought Iron railings and access door and bin store.

  Awaiting decision Full applications 14 docs
  Small domestic

• 129 Randolph Avenue London W9 1DN

  25/05523/FULL Submitted 7 Aug 2025 50 yards away

  Erection of a single storey rear extension with green roof and skylight at lower ground floor level; alterations to lower ground floor side windows and doors; replacement of existing windows with double glazed windows to match existing; and associated works.

  Granted Full applications Extension Windows or glazing 28 docs
  Small domestic

• 129 Randolph Avenue London W9 1DN

  25/07958/NMA Submitted 3 Nov 2025 50 yards away

  Amendments to planning permission dated 08 October 2025 (RN: 25/05523/FULL) for the: NAMELY, to allow the provision of an opaque timber-framed glazed panel along the side elevation of rear extension and formation of new sash window on the side elevation at lower ground floor level.

  Refused Amendments Extension Windows or glazing 9 docs

• 123 Randolph Avenue London W9 1DN

  22/03231/FULL Submitted 13 May 2022 50 yards away

  Excavation of front garden and vault to provide single storey infill extension at lower ground floor level and associated works.

  Granted Full applications Extension 10 docs
  Small domestic

• 26/06015/FULL Decided

  129 Saltram Crescent London W9 3JT

  Erection of a two-storey rear extension.

  Received 3 Sep, published by the council 11 Sep 2026 Full applications
• 26/07382/FULL Awaiting decision

  90 Gloucester Place London W1U 6HS

  Use of the building as an embassy (sui generis)

  Received 28 Oct, published by the council 2 Nov 2026 Full applications
• 26/07363/FULL Awaiting decision

  36 Kilravock Street London W10 4HX

  Demolition of existing side/rear extension and construction of a new side/rear extension together with new glazing and doors, and changing the existing rooflights to the rear roof slope with new rooflights.

  Received 28 Oct, published by the council 2 Nov 2026 Full applications
• 26/07371/FULL Awaiting decision

  8A Randolph Road London W9 1AN

  Amalgamation of two residential units with internal refurbishment and reconfiguration. (Linked with 26/07372/LBC)

  Received 28 Oct, published by the council 2 Nov 2026 Full applications
• 26/05689/FULL Decided

  Flat 1 12 Bristol Gardens London W9 2JG

  Demolition of an existing conservatory at the rear at lower ground level and erection of single storey rear extension.

  Received 19 Aug, published by the council 14 Sep 2026 Full applications