11 Grittleton Road London W9 2DD

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 lawful development applications in a median of 107 days. More in our guide to how long planning decisions take.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. 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

• 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

• 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

• 26/07221/CLEUD Awaiting decision

  Ground Floor Flat A 31 Fermoy Road London W9 3NH

  Confirmation of the lawful existing Use of Unit A, 31 Fermoy Road as a 4-bedroom HMO (Class C4).

  Received 21 Oct, published by the council 23 Oct 2026 Lawful development
• 26/07134/CLEUD Awaiting decision

  5A Motcomb Street London SW1X 8JU

  Confirmation of the planning consent 24/06560/FULL was lawfully implemented within the 3 year time limit period and as such the remainder of the works can be lawfully implemented.

  Received 16 Oct, published by the council 21 Oct 2026 Lawful development
• 26/06979/CLOPUD Awaiting decision

  15 Bridgewater House Hallfield Estate London W2 6EE

  Use as a private hire chauffeur business (administrative and booking management activities of AGR Chauffeurs Limited).

  Received 13 Oct, published by the council 18 Oct 2026 Lawful development
• 26/06932/CLOPUD Awaiting decision

  157 Oliphant Street London W10 4EA

  Installation of solar panels.

  Received 12 Oct, published by the council 13 Oct 2026 Lawful development
• 26/06869/CLEUD Awaiting decision

  Second Floor Flat C 31 Fermoy Road London W9 3NH

  Use of Unit C, 31 Fermoy Road as a 4-bedroom HMO (Class C4).

  Received 8 Oct, published by the council 12 Oct 2026 Lawful development