Flat 1 5 Grittleton Road London W9 2DD

This site has had 6 applications since 2025.

• 26/06941/ADFULL Awaiting decision

  Flat 1 5 Grittleton Road London W9 2DD

  Details of method statement, design relating to the foundations and floor slab, biodiversity management plan, and landscaping scheme pursuant to conditions 5, 6, 8, and 9 of planning permission dated 04 June 2025 (RN: 25/02022/FULL).

  Submitted 12 Oct 2026
• 26/03982/ADFULL Decided

  Flat 1 5 Grittleton Road London W9 2DD

  Details of tree protection method statement, detailed design relating to the foundations and floor slab; and details of a biodiversity management plan in relation to the living green roof pursuant to conditions 5 (partial), 6, 8 of planning permission dated 3rd June 2025 (RN 25/02022/FULL)

  Submitted 17 Jun 2026
• 26/03981/ADFULL Decided

  Flat 1 5 Grittleton Road London W9 2DD

  Details of tree protection / landscape works (including green roof) / biodiversity management plan pursuant to conditions 5, 6 and 7 of planning permission granted at appeal dated 26 August 2025 (RN: 25/00067/TPREF)

  Decided 4 Aug 2026
• 26/03221/FULL Awaiting decision

  Flat 1 5 Grittleton Road London W9 2DD

  Alterations to lower ground floor flat with demolition of rear infill extension and erection of a new single storey rear extension. Proposed rear extension flat roof with extensive green roof behind parapet (to replace existing in-fill extension).

  Submitted 15 May 2026 Full applications
• 25/05345/FULL Withdrawn

  Flat 1 5 Grittleton Road London W9 2DD

  Erection of rear box extension, and extension of existing side in-fill extension, to lower ground floor flat.

  Decided 29 Aug 2025 Full applications

1. 29 Oct 2026

   Received by Westminster

2. 29 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 24 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 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 amendment applications in a median of 81 days. More in our guide to how long planning decisions take.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

• Flat 1 5 Grittleton Road London W9 2DD

  26/06941/ADFULL Submitted 12 Oct 2026 50 yards away

  89% historically approved · decision due ~7 Dec

  Details of method statement, design relating to the foundations and floor slab, biodiversity management plan, and landscaping scheme pursuant to conditions 5, 6, 8, and 9 of planning permission dated 04 June 2025 (RN: 25/02022/FULL).

  Awaiting decision

• 5 Grittleton Road London W9 2DD

  25/09246/NMA Submitted 22 Dec 2025 50 yards away

  Amendments to planning permission granted by Appeal Decision dated 26 August 2025 (WCC RN: 25/01993/FULL; Appeal Ref: APP/X5990/W/25/3367634) for the erection of a single-storey side and rear extension to lower ground floor flat. NAMELY, minor repositioning of the approved lightwell within the footprint of the consented rear extension. The lightwell remains of the same size, depth, and design as previously approved and continues to provide natural light and ventilation to the internal accommodation; and revised design and material to rear elevation doors from approved sets of timber French doors with Crittall-style bifolding doors.

  Refused Amendments Extension Windows or glazing 9 docs
  Small domestic

• Flat 1 5 Grittleton Road London W9 2DD

  26/03982/ADFULL Submitted 17 Jun 2026 50 yards away

  89% historically approved · decision due ~12 Aug

  Details of tree protection method statement, detailed design relating to the foundations and floor slab; and details of a biodiversity management plan in relation to the living green roof pursuant to conditions 5 (partial), 6, 8 of planning permission dated 3rd June 2025 (RN 25/02022/FULL)

  Decided Trees

• Flat 1 5 Grittleton Road London W9 2DD

  26/03981/ADFULL Submitted 17 Jun 2026 50 yards away

  Details of tree protection / landscape works (including green roof) / biodiversity management plan pursuant to conditions 5, 6 and 7 of planning permission granted at appeal dated 26 August 2025 (RN: 25/00067/TPREF)

  Decided Trees

• 11 Grittleton Road London W9 2DD

  26/06991/CLOPUD Submitted 13 Oct 2026 50 yards away

  84% historically approved · decision due ~8 Dec

  Installation of an external spiral staircase connecting these existing levels (the ground level terrace to the lower-ground level garden).

  Awaiting decision Lawful development

• Basement 8 Grittleton Road London W9 2DD

  25/08796/NMA Submitted 3 Dec 2025 50 yards away

  Amendments to planning permission dated 28 June 2024 (RN: 23/07655/FULL) for the erection of a new infill extension, demolition of rear infill conservatory, erection of a new single story rear extension, alterations of lower ground floor flat and replacement windows to front elevation; NAMELY replacement of three rooflights with a single rooflight.

  Granted Amendments Extension Loft or dormer +2 4 docs

• 26/07312/NMA Awaiting decision

  15 Rodmarton Street London W1U 8BL

  Amendment to planning permission dated 5 May 2026 (26/00539/FULL) for: Erection of a single storey conservatory at rear ground floor level, use of the garage as internal living accommodation and installation of a new skylight at main roof level namely, to allow a reduction in the size of the rear orangery and alterations to its roof arrangement.

  Received 26 Oct, published by the council 29 Oct 2026 Amendments
• 26/07281/NMA Awaiting decision

  Brymon Court 31 - 32 Montagu Square London W1H 2LH

  Amendments to planning permission dated 6 May 2026 (25/07520/FULL) for: Replacement of windows to the front, side and rear elevations with aluminium framed windows namely, to include the replacement of five doors.

  Received 23 Oct, published by the council 27 Oct 2026 Amendments
• 26/07243/NMA Awaiting decision

  144 Praed Street London W2 1HU

  Amendments to planning permission dated 09 August 2024 (RN: 22/08247/FULL) for the replacement of the mansard roof with a sheer brickwork extension, new mansard roof extension and rooftop plant enclosure to provide additional hotel accommodation (Class C1); alterations to facade fenestration and shopfronts; installation of a green wall to the side (north-east); and associated works. NAMELY, to amend Condition 13 to require details of the modular green wall to be submitted prior to commencement of the relevant part of the development.

  Received 22 Oct, published by the council 26 Oct 2026 Amendments
• 26/07181/NMA Awaiting decision

  Newlands House 37 - 40 Berners Street London W1T 3NA

  Amendments to planning permission dated 9th October 2025 (RN:25/04048/FULL) forInfilling of the ground floor undercroft along Mortimer Street (Class E), replacement of ground floor frontage to the whole building and refurbishment of the upper floor facades. Namely, alterations to the approved green roof area at the site.

  Received 21 Oct, published by the council 22 Oct 2026 Amendments
• 26/07132/NMA Decided

  157 - 159 Victoria Street London SW1E 5NA

  Amendments to planning permission dated 27 August 2026 (RN: 26/04666/FULL) for the: Installation of combined defibrillator and bleed kit cabinets to external wall of Nationwide Building Society branch. NAMELY, to allow alteration to design of combined defibrillator and bleed kit cabinet.

  Received 19 Oct, published by the council 20 Oct 2026 Amendments