Planning application
25/05934/LBC
Flat A 38 Warwick Avenue London W9 2PT
Proposal
Erection of side boundary wall, external side staircase, and lower ground side extension. Installation of and alteration to side windows and doors. Associated internal alterations (Linked to 25/05933/FULL)
As published by the council, reference 25/05934/LBC
Timeline
Dates from the published record
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20 Aug 2025
Received by Westminster
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15 Sep 2025
Validated
Checked as complete and ready for consideration.
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4 Mar 2026
Decision issued: Application Permitted
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21 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About heritage and listed buildings applications
How this application type works
Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.
More on heritage and listed buildings applications in our guide
Nearby applications
Within 500 metres
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25/05933/FULL Granted
Flat A 38 Warwick Avenue London W9 2PT
Erection of side boundary wall, external side staircase, and lower ground side extension. Installation of and alteration to side windows and doors (Linked to 25/05934/LBC)
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26/02883/TCA Awaiting decision
38 Warwick Avenue London W9 2PT
Front T1 Lime x 1 (Tilia spp) This 16m mature lime tree has previously been reduced, but not for several years and has missed it's pruning cycle. The branches hang low over the public footpath and the road. Suggested work: - crown reduction - reduce all round back to previous reduction points, equating to a height reduction of 3m and a lateral reduction of 2-2.5m leaving shortened furnishing growth, retaining 50% of fine branch structure
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26/02882/TPO Awaiting decision
38 Warwick Avenue London W9 2PT
rear of no.38 T1 Lime x 1 (Tilia spp) This 20m mature lime tree has previously been reduced but not for many years, missing several pruning cycles. The regrowth is encroaching upon the neighbouring properties and cutting a lot of light out from the gardens. Suggested work: - crown reduction - reduce back to most recent reduction points, retaining shortened furnishing growth, equating to a height reduction of 4m, a lateral reduction of 2.5-3.5m- retaining 50% of fine branch structure rear of no.38 T2 Holm Oak (Evergreen) x 1(Quercus ilex) This 6m mature holm oak is being suppressed by T1 and has grown lopsided, with a limb growing out over no.40's garden. Suggested work:- crown reduction - reduce overextended stems over no.40 by 3m - reduce remaining crown 1-3m to shape and balance the canopy, creating a natural outline
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26/01106/ADFULL Granted
24 Warwick Avenue London W9 2PT
Details of piled foundations pursuant to condition 5 of planning permission dated 25 January 2024 (RN: 22/05105/FULL)
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25/06734/ADFULL Awaiting decision
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) Linked with 25/07076/ADLBC
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26/01593/TPO Awaiting decision
38 Warwick Avenue London W9 2PT
Rear 38 T1 Lime x 1 (Tilia spp)Reduce back to previous reduction points. Just on the side overhanging 40F ~2.5m.
Other heritage and listed buildings applications
In Westminster
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26/04984/LBC Awaiting decision
47G Randolph Avenue London W9 1BQ
Installation of replacement fire surround.
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26/04997/LBC Awaiting decision
Hanover Lodge Outer Circle Regent's Park London NW1 4HB
Erection of a morning room side extension. (Linked to 26/04996/FULL)
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26/04979/LBC Awaiting decision
12 Brewer Street London W1F 0SF
Internal alterations including removal of internal enclosures; Replacement flooring, shelving and slatwall systems, staircase handrail repair and other associated joinery works.
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26/04987/LBC Awaiting decision
Basement And Ground Floor 8 Ganton Street London W1F 7QL
Repainting of the existing timber shopfront, hand-painted fascia lettering, installation of a new hanging sign using the existing projecting sign bracket, and installation of a discreet fascia-mounted LED trough light.
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26/04995/LBC Awaiting decision
Hanover Lodge Outer Circle Regent's Park London NW1 4HB
Erection of rear conservatory extensions and an entrance loggia to side with roof terrace above, together with associated landscaping and alterations. (Linked with 26/04994/FULL)