Planning application
36 Abercorn Place NW8 9XP
Works: Extension Loft or dormer Demolition Windows or glazing
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
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.
As published by the council, reference 25/08855/NMA
Application record
- Reference
- 25/08855/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Refused As published: Application Refused
- Received
- 5 Dec 2025
- Validated
- 5 Dec 2025
- Decided
- 24 Feb 2026
- Ward
- Abbey Road
- Decision by
- Delegated Decision
- Postcode
- NW8 9XP
Site history
Applications at this address on the Westminster register
This site has had 3 applications since 2025: 0 approved, 1 refused.
-
26/01470/ADFULL Awaiting decision
36 Abercorn Place NW8 9XP
Details of signed appendix A, Construction Managment plan, CMP Drawings and tracking Diagrams pursuant to condition 12 of planning permission dated 17th July 2025 (RN: 25/02425/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.
Timeline
Dates from the published record
-
5 Dec 2025
Received by Westminster
-
24 Feb 2026
Decision issued: Application Refused
-
29 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Savills Limited Agent, registered in London
Active · incorporated 1987 · London
2,474 applications on PlanIndex · across 194 councils · 92% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
17 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.
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Open the documentsWhat this refusal means
Westminster refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
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
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 -
Abercorn School 28 Abercorn Place NW8 9XP
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
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 amendment applications
In Westminster
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26/07389/NMA Awaiting decision
Flat 1 5 Grittleton Road London W9 2DD
Amendments to planning permission dated 04 June 2025 (RN: 25/02022/FULL), NAMELY, amendment of Condition 4 to correct the property address from 9 Aldridge Road Villas to 5 Grittleton Road.
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26/07312/NMA Awaiting decision
15 Rodmarton Street London W1U 8BL
Amendment to planning permission dated 5 May 2026 (26/00539/FULL) for: Erection of a single storey conservatory at rear ground floor level, use of the garage as internal living accommodation and installation of a new skylight at main roof level namely, to allow a reduction in the size of the rear orangery and alterations to its roof arrangement.
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26/07317/NMA Awaiting decision
42 - 44 Beak Street London W1F 9RH
Amendments to planning permission dated 28 October 2025 (25/06226/FULL) for: Installation of a replacement entrance door and the formation of an additional new entrance at ground floor level; associated alterations to the ground floor facade and the installation of plant and related mechanical equipment at roof level namely, paint colour and lighting.
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26/07281/NMA Awaiting decision
Brymon Court 31 - 32 Montagu Square London W1H 2LH
Amendments to planning permission dated 6 May 2026 (25/07520/FULL) for: Replacement of windows to the front, side and rear elevations with aluminium framed windows namely, to include the replacement of five doors.
-
26/07243/NMA Awaiting decision
144 Praed Street London W2 1HU
Amendments to planning permission dated 09 August 2024 (RN: 22/08247/FULL) for the replacement of the mansard roof with a sheer brickwork extension, new mansard roof extension and rooftop plant enclosure to provide additional hotel accommodation (Class C1); alterations to facade fenestration and shopfronts; installation of a green wall to the side (north-east); and associated works. NAMELY, to amend Condition 13 to require details of the modular green wall to be submitted prior to commencement of the relevant part of the development.