Planning application
25/06195/TCA
21 Arlington Street SW1A 1RN
Proposal
T1 1 x purple beech: crown reduce all round by 0.5-1m to shape and tidy, not exceeding any previous reduction points. Reduce overlong, extended branches only by up to 1.5m (not exceeding previous reduction points) to bring into the main canopy line. T2 1 x Japanese maple: crown reduce by up to 1m and prune back any overextended lateral branches into main canopy line, maintaining crown shape. T3 1 x walnut: reduce height by up to 1.5m and shape the lateral branches to create a more compact crown and aesthetically pleasing overall outline T4 1 x cherry: crown reduce by up to 1m to create a neater and more compact crown.
As published by the council, reference 25/06195/TCA
Timeline
Dates from the published record
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1 Sep 2025
Received by Westminster
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9 Oct 2025
Decision issued: No objections
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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 trees applications
How this application type works
Tree applications cover work to protected trees: those under a tree preservation order need consent for pruning or felling, and trees in a conservation area need six weeks written notice before work starts. The council assesses the amenity value of the tree and can refuse consent, approve it with conditions, or in conservation areas make a preservation order in response.
Nearby applications
Within 500 metres
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26/04502/ADLBC Awaiting decision
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Details of works to laylight of Palm Court; pursuant to condition 6 (xvii) of listed building consent dated 12th March 2026 (25/07529/LBC)
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26/03404/LBC Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Replacement of slate roof tiles on mansard roofs of Piccadilly, Green Park and Arlington Street elevations of the Ritz Hotel.
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25/08394/ADFULL Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Detailes of door and door furniture pursuant to Condition 6 (vii) of listed building consent dated 24 April 2025 (RN: 24/08537/LBC)
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25/07555/NMA Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Amendments to planning permission dated 12 July 2022 (RN: 21/07264/FULL) for alterations and extensions to the Ritz Hotel and William Kent House including the change of use of the casino to a dual flexible use as hotel and/or private members club, a two storey side extension to William Kent House, extensions to the Ritz hotel including on the site of 22 Arlington Street comprising an extension of five basements, lower ground, ground, mezzanine and seven upper floors to provide additional hotel floorspace, new and upgraded hotel facilities including hotel rooms, restaurant and spa, new entrances on Arlington Street, arrival and drop off facilities, changes to the servicing and refuse facilities, car and cycle parking, plant, landscaping and all works including demolition, enabling, highways, temporary construction logistics works and other ancillary works. Namely, alterations including additional demolition as a result of detailed investigation work. (Linked with 25/07529/LBC)
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25/07529/LBC Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Alterations and extensions to the Ritz Hotel and William Kent House including the change of use of the casino to a dual flexible use as hotel and/or private members club, a two storey side extension to William Kent House, extensions to the Ritz hotel including on the site of 22 Arlington Street comprising an extension of five basements, lower ground, ground, mezzanine and seven upper floors to provide additional hotel floorspace, new and upgraded hotel facilities including hotel rooms, restaurant and spa, new entrances on Arlington Street, arrival and drop off facilities, changes to the servicing and refuse facilities, car and cycle parking, plant, landscaping and all works including demolition, enabling, highways, temporary construction logistics works and other ancillary works (Amendments to listed building consent dated 24 April 2025 RN: 24/08537/LBC). (Linked with 25/07555/NMA)
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25/07851/CLOPUD Awaiting decision
Flat 14 Arlington House 17 - 20 Arlington Street SW1A 1RL
The use of apartment 14 for self-containted residential (C3)
Other trees applications
In Westminster
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26/04965/TPO Awaiting decision
St Augustines Vicarage Kilburn Park Road London NW6 5XB
3 x Lime - Crown reduce all new growth back to the previous reduction points (approx. 1.8m height and 1.5m spread). Remove trunk and basal growth. 3 x London Plane - Remove trunk growth, crown thin by 10% and remove dead wood. Crown lift long pendulous growth to a height of 6.0m from ground level. Maintenance works in line with good arboricultural practice
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26/04918/TCA Awaiting decision
29 - 31 Hill Street London W1J 5LS
T1 (Aesculus sp.) - laterally crown reduce by 1.0-1.5m as identified by the red lines shown on T1-SK1 and T1-SK2; and T2 (Pyrus calleryana) laterally crown reduce by 1.5m as identified by the red line shown on T2-SK1. Measured pruning extents to supplement the aforementioned sketches are shown on the 260675-TMA-XX-DR-AP-2300-P00 and 260675-TMA-XX-DR-AP-2400-P00 plans, which show the site in its existing and approved contexts respectively. The pruning to the aforementioned 2no. trees is required, in order to facilitate the installation of a scaffold frame around the existing building at the Site, which is required in order to facilitate the implementation of Full Planning Permission 25/01006/FULL ('the Permission'). In determining the Permission, no arboricultural information was submitted to facilitate its determination; and no conditions require the provision of tree-related information. However, the specified pruning is required to facilitate the implementation of the Permission, hence this Section 211 Notification. For the avoidance of doubt, according to the Delegated Report related to the Permission, the Arboricultural Officers were not a consultee. This Section 211 Notification is therefore submitted to regularise the required pruning to the affected 2no. trees in the only known manner that is feasible relative to the conditional elements of the Permission. The red line planning boundary is shown on all of the plans submitted to this Section 211 Notification; data related to both surveyed trees is also included in the submitted schedule (that uses the BS 5837:2012 methodology).
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26/04928/TCA Awaiting decision
3 Acacia Place NW8 6AJ
Fell willow-leaved pear T3 and Chusan palm T11. Additionally, the dead birch T2 is to be felled under the 5-day dead, diseased, dangerous exemption. The pear T3 is wrapped around the dead T2 for support and thus cannot be retained.
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26/04937/TCA Awaiting decision
18 Greville Place London NW6 5JH
T7 wild cherry 10 350 Remove; grind out stump to 300mm below ground level
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26/04938/TPO Awaiting decision
11 Cavendish Avenue London NW8 9JD
Tree B Common Lime- Pare around damage to the bark. Remove splintered loose sapwood. Reduce affected stem to about 12m +GL) Preserve all side growth. Tree C Common Lime- Pare around damage to the bark. Remove broken extremity to branch arising at about 8m+GL; cut back to sound growth.