Abercorn School 28 Abercorn Place NW8 9XP

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

• 26/01000/TPO Granted

  Abercorn School 28 Abercorn Place NW8 9XP

  T1 Horse chestnut: pruning of single root approximately 65mm diameter at the boundary of the building.

  Decided 25 Feb 2026 Trees
• 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).

  Decided 25 Feb 2026 Full applications
• 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.

  Decided 13 Oct 2025 Trees
• 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)

  Decided 19 Sep 2025 Full applications
• 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)

  Decided 13 Oct 2025 Full applications
• 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.

  Decided 31 Jul 2025 Amendments

1. 21 Nov 2025

   Received by Westminster

2. 3 Jun 2026

   Decision issued: Application Permitted

3. 10 Aug 2026

   Added to PlanIndex

Westminster granted permission on 3 June 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.

• Abercorn School 28 Abercorn Place NW8 9XP

  25/05366/ADFULL Submitted 31 Jul 2025 50 yards away

  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

  25/05655/ADFULL Submitted 12 Aug 2025 50 yards away

  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

  26/01362/FULL Submitted 3 Mar 2026 50 yards away

  88% 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

  25/08855/NMA Submitted 5 Dec 2025 50 yards away

  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

• Abercorn School 28 Abercorn Place NW8 9XP

  26/01000/TPO Submitted 17 Feb 2026 50 yards away

  T1 Horse chestnut: pruning of single root approximately 65mm diameter at the boundary of the building.

  Granted Trees 8 docs

• 16D Abercorn Place NW8 9XP

  26/01238/ADFULL Submitted 26 Feb 2026 50 yards away

  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

• 26/05984/FULL Decided

  41 Sutherland Street London SW1V 4JX

  Replacement of front, side and rear windows with double glazed timber framed sash windows and replacement of a door with a double glazed timber framed door.

  Received 2 Sep, published by the council 11 Sep 2026 Full applications
• 26/06134/FULL Decided

  Flat 10H Hyde Park Mansions Cabbell Street London NW1 5BG

  Replacement of front and rear second floor level windows with slim-profile double-glazed panels, retaining the existing window and door frames.

  Received 8 Sep, published by the council 15 Sep 2026 Full applications
• 26/07258/FULL Awaiting decision

  16A Croxley Road London W9 3HL

  Installation of air to air heat pumps to offices and bedrooms.

  Received 22 Oct, published by the council 23 Oct 2026 Full applications
• 26/07193/FULL Awaiting decision

  98 Victoria Street London SW1E 5JL

  Shopfront alterations. (Linked with 26/07194/ADV)

  Received 21 Oct, published by the council 22 Oct 2026 Full applications
• 26/07187/FULL Awaiting decision

  Ground Floor Flat 151 Portnall Road London W9 3BN

  Erection of a single storey rear extension.

  Received 21 Oct, published by the council 22 Oct 2026 Full applications