4 Biddulph Road London W9 1JB

This site has had 10 applications since 2025: 2 approved, 1 refused.

• 26/07130/ADFULL Decided

  4 Biddulph Road London W9 1JB

  Details of signed Appendix A - checklist B pursuant to discharge of condition 10 of planning permission dated 12th June 2026 (RN: 25/08498/FULL).

  Submitted 19 Oct 2026
• 26/05348/FULL Decided

  4 Biddulph Road London W9 1JB

  Variation of condition 1 of planning permission dated 13 February 2026 (RN 25/07165/FULL), which itself varied condition 1 of planning permission dated 5th June 2025 (RN 25/01845/FULL), for: "Erection of rear extensions at ground and first floor levels, single storey side extension at ground floor level, and rear roof dormer; Excavation to extend existing basement level; installation of rooflights; Alterations to windows and doors; Creation of bin store to front garden; Landscaping works; and associated external alterations." NAMELY, to allow alteration to the rear/side roof design.

  Submitted 6 Aug 2026 Full applications
• 26/04221/ADFULL Decided

  4 Biddulph Road London W9 1JB

  Details of tree protection / void between foundations and soil, and rainwater mitigation pursuant to parial condition 10 (part A) and condition 11 of planning permission dated 05 January 2026 (RN: 25/07165/FULL)

  Submitted 25 Jun 2026
• 26/03768/ADFULL Decided

  4 Biddulph Road London W9 1JB

  Completed Appendix A checklist from the Code of Construction Practice, signed by the applicant and approved by the Council's Environmental Sciences Team pursuant to condition 14 of planning permission dated 13th February 2026 (RN:25/07165/FULL).

  Submitted 9 Jun 2026
• 26/02504/ADFULL Awaiting decision

  4 Biddulph Road London W9 1JB

  Details of Arboricultural Method Statement, Tree Protection Plan and drawings of the rear extension foundations pursuant to conditions 10 and 11 of planning permission dated 13th February 2026 (RN:25/07165/FULL).

  Submitted 16 Apr 2026 Full applications
• 26/00937/ADFULL Awaiting decision

  4 Biddulph Road London W9 1JB

  Details of Arboricultural Method Statement and Tree Protection Plan pursuant to Condition 10 of planning permission dated 05/06/2025 (RN: 25/01845/FULL)

  Submitted 13 Feb 2026 Full applications
• 25/08561/ADFULL Refused

  4 Biddulph Road London W9 1JB

  Details of Arboricultural Method Statement and Tree Protection Plan pursuant to condition 10 of planning permission dated 05 June 2025 (RN: 25/01845/FULL).

  Decided 29 Jan 2026 Full applications
• 25/08498/FULL Granted

  4 Biddulph Road London W9 1JB

  Erection of rear extensions at ground and first floor levels, single storey side extension at ground floor level, and rear roof dormer; Excavation to extend existing basement level with associated lightwells to front and rooflights to rear garden; installation of rooflights; Alterations to windows and doors; Creation of bin store to front garden; Landscaping works; provision of attenuation tank under part of front garden; and associated external alterations.

  Decided 12 Jun 2026 Full applications
• 25/07165/FULL Granted

  4 Biddulph Road London W9 1JB

  Variation of condition 1 of planning permission dated 5th June 2025 (RN 25/01845/FULL) for the Erection of rear extensions at ground and first floor levels, single storey side extension at ground floor level, and rear roof dormer; Excavation to extend existing basement level; installation of rooflights; Alterations to windows and doors; Creation of bin store to front garden; Landscaping works; and associated external alterations. NAMELY, amendments to the front and rear fenestration; new window to rear first floor; amendment to the dormer position; amendment to rooflights; extension of the rear gable end wall at ground and first floor levels; and a reduction of the side extension footprint to the front.

  Decided 13 Feb 2026 Full applications

1. 27 Feb 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 24 April 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.

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.

• 4 Biddulph Road London W9 1JB

  26/02504/ADFULL Submitted 16 Apr 2026 50 yards away

  88% historically approved · decision due ~11 Jun

  Details of Arboricultural Method Statement, Tree Protection Plan and drawings of the rear extension foundations pursuant to conditions 10 and 11 of planning permission dated 13th February 2026 (RN:25/07165/FULL).

  Awaiting decision Full applications Extension Trees 9 docs

• 4 Biddulph Road London W9 1JB

  25/08561/ADFULL Submitted 21 Nov 2025 50 yards away

  Details of Arboricultural Method Statement and Tree Protection Plan pursuant to condition 10 of planning permission dated 05 June 2025 (RN: 25/01845/FULL).

  Refused Full applications Trees

• 4 Biddulph Road London W9 1JB

  26/00937/ADFULL Submitted 13 Feb 2026 50 yards away

  88% historically approved · decision due ~10 Apr

  Details of Arboricultural Method Statement and Tree Protection Plan pursuant to Condition 10 of planning permission dated 05/06/2025 (RN: 25/01845/FULL)

  Awaiting decision Full applications Trees 11 docs

• 26 Biddulph Road London W9 1JB

  26/07322/TCA Submitted 26 Oct 2026 50 yards away

  100% historically approved · decision due ~21 Dec

  T1 Silver Birch Fell to ground level, remove all arisings and grind out stump. Reason for fell :Dead tree

  Awaiting decision Trees

• 4 Biddulph Road London W9 1JB

  26/03768/ADFULL Submitted 9 Jun 2026 50 yards away

  89% historically approved · decision due ~4 Aug

  Completed Appendix A checklist from the Code of Construction Practice, signed by the applicant and approved by the Council's Environmental Sciences Team pursuant to condition 14 of planning permission dated 13th February 2026 (RN:25/07165/FULL).

  Decided

• 14 Biddulph Road London W9 1JB

  26/06016/ADFULL Submitted 2 Sep 2026 50 yards away

  89% historically approved · decision due ~28 Oct

  Details of a biodiversity management plan, including detailed drawings of a hard and soft landscaping scheme; pursuant to conditions 6 and 8 of planning permission dated 4th September 2025 (RN 25/02833/FULL)

  Decided

• 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