26 Warwick Avenue London W9 2PT

This site has had 7 applications since 2025: 6 approved, 0 refused.

• 26/02164/ADFULL Awaiting decision

  26 Warwick Avenue London W9 2PT

  Details of Arboricultural Method Statement & Tree Protection Plan and Arboricultural Site Monitoring Schedule pursuant to conditions 3 and 4 of planning permission dated 9th April 2025 (24/07954/FULL).

  Submitted 31 Mar 2026 Full applications
• 26/00955/NMA Granted

  26 Warwick Avenue London W9 2PT

  Amendments to planning permission dated 3 October 2022 (RN: 22/06680/FULL) for the: Removal of rear conservatory and replacement with new rear extension to lower ground floor level with associated works to rear patio and boundary wall; Removal of infill extension to the front lightwell at lower ground floor; Demolition and rebuild of the rear section of the third floor level; Installation of skylight and replacement of windows to existing side wing; Replacement of rear ground floor balconettes ; Installation of new raised planting bed to existing front lightwell; Excavation of new basement level beneath building footprint, part of front lightwell and rear garden; Installation of plant machinery within existing front vaults;. NAMELY, to amend approved arboricultural mpact assessment dated 25 August 2023 and method statement to facilitate relocate the temporary site office (6m x 2.5m x 4.5m)

  Decided 28 Jan 2026 Amendments
• 25/06734/ADFULL Granted

  26 Warwick Avenue London W9 2PT

  Details of elevation and section drawings showing the new sash windows at scale 1:5 and 1:10 (as appropriate, and including break lines in the drawings if required) including glazing bar details and including the relationship of the windows to the external wall of the building and also any rebates present in the wall surrounding the window openings pursuant to condition 10 of planning permission dated 24th November 2023 (RN:22/06680/FULL)

  Decided 22 Oct 2025 Full applications
• 25/06716/LBC Granted

  26 Warwick Avenue London W9 2PT

  Replacement windows and doors, and refurbishment and upgrading of other windows, to the front, side and rear elevations (Linked to 25/06715/FULL)

  Decided 13 Mar 2026 Heritage and listed buildings
• 25/07076/ADLBC Granted

  26 Warwick Avenue London W9 2PT

  Details of windows pursuant to condition 5 of listed building consent dated 24th November 2023 (RN:22/06681). Linked with 25/06734/ADFULL

  Decided 22 Oct 2025 Conditions
• 25/05263/LBC Granted

  26 Warwick Avenue London W9 2PT

  Installation of fire suppression system on the ceiling of the basement, lower ground and upper ground floors.

  Decided 29 Sep 2025 Heritage and listed buildings

1. 18 Sep 2025

   Received by Westminster

2. 3 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 13 Mar 2026

   Decision issued: Application Permitted

4. 21 Jul 2026

   Added to PlanIndex

• 25/06716/LBC Granted

  26 Warwick Avenue London W9 2PT

  Replacement windows and doors, and refurbishment and upgrading of other windows, to the front, side and rear elevations (Linked to 25/06715/FULL)

  Decided 13 Mar 2026 Heritage and listed buildings

1 later application on the register refers to this one:

• 25/06716/LBC Granted

  26 Warwick Avenue London W9 2PT

  Replacement windows and doors, and refurbishment and upgrading of other windows, to the front, side and rear elevations (Linked to 25/06715/FULL)

  Decided 13 Mar 2026 Heritage and listed buildings

Westminster granted permission on 13 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 26 Warwick Avenue London W9 2PT

  25/06716/LBC Submitted 18 Sep 2025 50 yards away

  Replacement windows and doors, and refurbishment and upgrading of other windows, to the front, side and rear elevations (Linked to 25/06715/FULL)

  Granted Heritage and listed buildings Windows or glazing 27 docs

• 26 Warwick Avenue London W9 2PT

  25/05263/LBC Submitted 28 Jul 2025 50 yards away

  Installation of fire suppression system on the ceiling of the basement, lower ground and upper ground floors.

  Granted Heritage and listed buildings 16 docs

• 24 Warwick Avenue London W9 2PT

  26/01111/NMA Submitted 23 Feb 2026 50 yards away

  Amendments to planning permission dated 24th November 2022 (RN: 22/05109/FULL) for Replacement of windows across the front, side and rear elevations of the building, first floor layout alterations; and associated works. Namely, the replacement of existing timber-framed single glazed lower ground level side entrance door.

  Refused Amendments Windows or glazing 12 docs

• 26 Warwick Avenue London W9 2PT

  25/07076/ADLBC Submitted 18 Sep 2025 50 yards away

  Details of windows pursuant to condition 5 of listed building consent dated 24th November 2023 (RN:22/06681). Linked with 25/06734/ADFULL

  Granted Conditions Windows or glazing 7 docs

• 20 Warwick Avenue London W9 2PT

  25/06755/TCA Submitted 15 Sep 2025 50 yards away

  2 x yew (T2 and T3, front): Trim/shape the crown back to previous points (roughly by 50cm - 1m) 1 x sycamore (T4, rear): Reduce the crown back to previous pruning points (roughly by 2 - 3m)

  Granted Trees 7 docs

• 20 Warwick Avenue London W9 2PT

  25/06567/TPO Submitted 15 Sep 2025 50 yards away

  T1 1 x Robinia pseudoacacia: crown reduce back to previous, most recent pruning points (roughly 2.5 to 3.5 metres) keeping healthy growth points.

  Granted Trees 7 docs

• 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