Planning application
Abercorn School 28 Abercorn Place NW8 9XP
Works: Trees
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
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
Application record
- Reference
- 26/01000/TPO
- Type
- Applic. for wks to trees subject to TPO
- Status
- Pending
- Decision
- Granted subject to conditions
- Received
- 17 Feb 2026
- Validated
- 17 Feb 2026
- Decided
- 25 Feb 2026
- Ward
- Abbey Road
- Postcode
- NW8 9XP
Site history
Applications at this address on the Westminster register
This site has had 7 applications since 2025: 7 approved, 0 refused.
-
26/00028/ADFULL Granted
Abercorn School 28 Abercorn Place NW8 9XP
Details of sample of privacy glass pursuant to condition 3 of planning permission dated 8th May 2025 (RN: 25/00945/FULL).
-
25/08524/ADFULL Granted
Abercorn School 28 Abercorn Place NW8 9XP
Details of hard and soft landscaping pursuant to condition 9 of planning permission dated 8th May 2025 (RN: 25/00945/FULL)
-
25/06518/TCA Granted
Abercorn School 28 Abercorn Place NW8 9XP
1 x plum (T1, front): Reduce by up to 1.5 meters in height and 1.5 meters in radial spread to include thinning approximately 20% of internal epicormic growth and the removal of deadwood from the canopy.
-
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)
-
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)
-
25/05133/NMA Granted
Abercorn School 28 Abercorn Place NW8 9XP
Amendments to planning permission dated 8th May 2025 (RN 25/00945/FULL) for the Internal and external refurbishment to facilitate the reversion to and use for a single dwellinghouse, comprising: installation of a new dormer window to front elevation; installation of a dormer window to the west elevation at third floor; replacement of windows throughout; removal of non-original external fire escape staircase to rear facade and installation of a balcony to the rear facade a ground and first floor level and a new external staircase to access the garden from lower ground level; rationalising the rear facade (removal of exposed cabling, replacement of rainwater goods); installation of a lift within the original closet wing with lift overrun; removal of non-original partitions and openings, addition of new partitions, and infill of redundant openings throughout; creation of new opening within existing fabric at ground floor and replacement with doors; repairs, enhancements and redecoration throughout including to fireplaces and doors; removal of non-permeable hard surfaces in front and rear gardens and addition of new planting and terraces; pruning of the existing trees to the front of the property; and other relevant alterations. NAMELY, for the removal of condition 10.
Timeline
Dates from the published record
-
17 Feb 2026
Received by Westminster
-
25 Feb 2026
Decision issued: Granted subject to conditions
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Philip Walker Arboricultural Consultancy Agent
4 applications on PlanIndex · across 4 councils
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
8 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Westminster granted permission on 25 February 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.
About tree works applications
Applications for works to trees cover protected trees: consent under a tree preservation order, or six weeks notice for trees in a conservation area. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
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)
Granted Full applications Trees 12 docs -
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)
Granted Full applications 9 docs -
36 Abercorn Place NW8 9XP
87% historically approved · decision due ~28 Apr
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.
Awaiting decision Full applications Extension Loft or dormer +2 9 docs -
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.
Refused Amendments Extension Loft or dormer +2 17 docs -
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)
Granted Full applications Windows or glazing 9 docs -
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]
Granted Conditions Windows or glazing 9 docs
Other tree works applications
In Westminster
-
26/06333/TCA Awaiting decision
Basement 17 Claverton Street London SW1V 3AY
Removal of an overgrown and poor specimen Leyland cypress tree in a confined space in the rear garden of 17 Claverton Street, Sw1v 3AY. We wish to remove this tree and replace it with a semi mature Amelanchier Lamarckii which is more appropriate for the space.
-
26/06346/TPO Awaiting decision
Crown Court 123 Park Road London NW8 7JH
Front T1 Lime x 1 (Tilia spp) This 12m triple stem mature lime tree has previously been reduced, its cyclical prune is now due. The lateral growth is touching the windows and hangs low over the road. Suggested work: - crown reduction - reduce height 2m back to previous reduction points - reduce the lateral growth 2-2.5m back to previous reduction points, leaving furnishing growth - retain 50% of internal fine branch structure Front T2 Lime x 1 (Tilia spp) This 12m triple stem mature lime tree has previously been reduced, its cyclical prune is now due. The lateral growth is touching the windows and hangs low over the road. Suggested work: - crown reduction - reduce height 2m back to previous reduction points - reduce the lateral growth 2-2.5m back to previous reduction points, leaving furnishing growth - retain 50% of internal fine branch structure Front T3 London Plane x 1 (Platanus x hispanica) This 16m mature London plane has previously been pollarded, its cyclical prune is now due. Regrowth is touching the building and encroaching upon the balconies. Suggested work:- reduce all round 2-3m back to previous
-
26/06307/TCA Awaiting decision
140 Loudoun Road London NW8 0ND
T1 Acer reduce by cira 1.5m to suitable pruning points T2 Mature apple tree - Crown lift to 2.5 metres from the ground and cut back from the public infrastructure. T3 Magnolia grandiflora - reduce by 1.5m and cut back from building creating a clearance of 2m T4 - Apple Tree - Remove deadwood and reduce crown by 1m Reason for work: General tree maintenance
-
26/06302/TCA Awaiting decision
Old Admiralty Building Spring Gardens London SW1A 2AH
fell to 50mm from ground level Cherry trees in pots in courtyard (G1 - trees have extensive damage to main stems and crown)
-
26/06282/TCA Awaiting decision
13 Randolph Crescent London W9 1DP
T4 - Reduce magnolia crown by 0.5?1m and thin by 10-15% all around, and remove any deadwood whilst retaining furnishing growth. This is to allow more light through the canopy and maintain the crown at a manageable size.