Planning application
26/01000/TPO
Abercorn School 28 Abercorn Place NW8 9XP
Proposal
T1 Horse chestnut: pruning of single root approximately 65mm diameter at the boundary of the building.
As published by the council, reference 26/01000/TPO
Timeline
Dates from the published record
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17 Feb 2026
Received by Westminster
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25 Feb 2026
Decision issued: Granted subject to conditions
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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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25/05366/ADFULL Granted
Abercorn School 28 Abercorn Place NW8 9XP
Details of a method statement explaining the measures you will take to protect the trees on and close to the site and details of an auditable system of arboricultural site monitoring, site supervision and record keeping pursuant to condition 7 and 8 (Part 1) of planning permission dated 8th May 2025 (RN:25/00945/FULL)
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25/05655/ADFULL Granted
Abercorn School 28 Abercorn Place NW8 9XP
Details of a desktop study, details of a site investigation and details of a remediation strategy pursuant to condition 6 (phase 1, 2, 3) of planning permission dated 8th May 2025 (RN:25/00945/FULL)
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26/01362/FULL Awaiting decision
36 Abercorn Place NW8 9XP
Variation of Condition 1 of planning permission dated 11 September 2025 (RN: 25/02425/FULL) for 'Excavation of basement below existing house and part of front and rear garden land with lightwells to the front and rear; partial demolition of front facade; demolition of rear extension and roof; erection of part replacement front facade, new mansard roof level; replacement fenestration to the rear elevation; and landscaping works to front and rear gardens, including plant equipment to rear'. NAMELY, to render the rear elevation, amend rear fenestration and changes to detailed design of front elevation.
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25/08855/NMA Refused
36 Abercorn Place NW8 9XP
Amendments to planning permission dated 11 September 2025 (RN: 25/02425/FULL) for Excavation of basement below existing house and part of front and rear garden land with lightwells to the front and rear; partial demolition of front facade; demolition of rear extension and roof; erection of part replacement front facade, new mansard roof level; replacement fenestration to the rear elevation; and landscaping works to front and rear gardens, including plant equipment to rear. Namely, to render the rear elevation to match the front facade, amend detailed design of the rear first floor windows, replace the approved rear windows at ground floor level with doors, reposition the rear first floor windows, adjust the rear bays and architectural alteratons to the front elevation.
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26/01238/ADFULL Granted
16D Abercorn Place NW8 9XP
Detailed drawings of sample photographs or specifications courtyard ground covering and details new door and window pursuant to condition 4 and 5 of planning permission dated 17th October 2025 (RN 25/06246/FULL)
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26/01211/ADLBC Granted
16D Abercorn Place NW8 9XP
Details of courtyard ground covering / new door and window pursuant to conditions 4 and 5 of listed building consent dated 10 October 2025 (RN: 25/05451/LBC) [Linked to 26/01238/ADFULL]
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.