Planning application
4A Abercorn Place NW8 9XR
Works: Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Addition of new rear balcony at first floor level and the replacement of an existing rear window with a traditional timber framed glazed door to provide access to the balcony.
As published by the council, reference 26/05856/FULL
Application record
- Reference
- 26/05856/FULL
- Category
- Full applications
- Status
- Pending
- Received
- 26 Aug 2026
- Validated
- 26 Aug 2026
- Postcode
- NW8 9XR
Timeline
Dates from the published record
-
26 Aug 2026
Received by Westminster
-
1 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 21 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 61 days over the applications it decided in the last year.
What happens while it is decided
The process from here
This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About full applications applications
How this application type works
A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.
Nearby applications
Within 500 metres
-
4A Abercorn Place NW8 9XR
92% historically approved · decision due ~19 Jun
Amendments to planning permission dated 13th February 2026 (RN:25/06416/FULL) for Exterior alterations to existing building, including introduction of new pergola to rear elevation, extension of existing ground floor plant/storage room, modifications to existing windows and doors, new traditional roof lantern rooflight, and changes to existing boundary wall. Namely, a section of the existing masonry boundary wall is to be increased in height to improve privacy and security, and to screen the bin storage area and replace the existing triple sash window with a new timber-framed door and adjacent side window, designed to match the existing widnow.
Awaiting decision Amendments Extension Loft or dormer +1 10 docsSmall domestic -
4A Abercorn Place NW8 9XR
87% historically approved · decision due ~31 Jul
Installation of air conditioning unit within front lightwell. Installation of air conditioning unit within an acoustic enclosure within rear garden.
Awaiting decision Full applications 12 docs -
4A Abercorn Place NW8 9XR
Exterior alterations to existing building, including introduction of new pergola to rear elevation, extension of existing ground floor plant/storage room, modifications to existing windows and doors, new traditional roof lantern rooflight, and changes to existing boundary wall.
Granted Full applications Extension Loft or dormer +1 17 docsSmall domestic -
6 Abercorn Place NW8 9XP
90% historically approved · decision due ~24 Apr
Replacement of existing lead flat roof covering above single-storey side extension, including improved insulation within the roof build-up. (like-for-like)
Awaiting decision Heritage and listed buildings Extension Roofing 13 docsSmall domestic -
First Floor Flat 2 Nugent Terrace London NW8 9QB
87% historically approved · decision due ~26 May
Amalgamation of two existing flats into a single dwelling; erection of first-floor extension with balcony and stairs down to new rear terrace and associated new railings; installation of air source heat pumps to rear flat roof; replacement of windows and doors; installation of solar panels to roof; installation of rooflights.
Awaiting decision Full applications New dwelling Extension +3 42 docsDomestic -
106 Hamilton Terrace London NW8 9UP
Variation of conditions 1 and 13 of planning permission dated 16 June 2023 ( RN 23/02171/FULL), which in itself was a variation of Condition 18 (Construction Management Plan (CMP) of the planning permission dated 26th November 2021 (RN 21/05740/FULL); and a variation of Condition 1 of planning permission dated 16 March 2016 (RN: 16/00374/FULL) and further to the varied condition 1 of planning permission dated 28 July 2015 (RN: 15/02336/FULL) for excavation of a basement beneath existing building, part of front and rear gardens, demolition of rear facade, extensions to the rear and at roof level in connection with the use of the building as a single house. NAMELY, to reposition the ASHP condenser and acoustic enclosure and also accompanied by a revised Garden Masterplan.
Granted Full applications Extension Demolition 18 docs
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Installation of an external AC Unit / Heat Pump at roof level.
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Subdivision of existing residential property to create two self-contained 3-bedroom family homes, along with cycle parking and associated external alterations.
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26/05935/FULL Awaiting decision
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Installation of one number new external condenser unit to the southerly elevation service alley.
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26/05959/FULL Awaiting decision
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Installation of three new condensers on the roof, within an existing designated plant area.