Flat 1 5 Grittleton Road London W9 2DD

This site has had 4 applications since 2025.

• 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)

  Submitted 17 Jun 2026
• 25/05345/FULL Withdrawn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. 15 May 2026

   Received by Westminster

2. 12 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 7 August 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 65 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 91 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.

• Flat 1 5 Grittleton Road London W9 2DD

  25/05345/FULL Submitted 30 Jul 2025 50 yards away

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

  Withdrawn Full applications Extension 28 docs

• 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

  89% historically approved · decision due ~12 Aug

  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

• 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

• Byron Court 44 Lanhill Road London W9 2BY

  26/00326/FULL Submitted 20 Jan 2026 100 yards away

  87% historically approved · decision due ~5 Jun

  Replacement of timber framed windows with new double glazed uPVC windows.

  Awaiting decision Full applications Windows or glazing 25 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06222/FULL Awaiting decision

  42 - 49 St Martin's Lane London WC2N 4EJ

  Entrance alterations, illuminated fascia sign to St Martins Lane entrance and glazed openings for digital signage

  Received 11 Sep, published by the council 21 Sep 2026 Full applications
• 26/06234/FULL Awaiting decision

  40 Grosvenor Place London SW1X 7HJ

  Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/06249/FULL Awaiting decision

  53 Wimpole Street London W1G 8YH

  Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

  Received 11 Sep, published by the council 18 Sep 2026 Full applications