4A Abercorn Place NW8 9XR

This site has had 4 applications since 2025: 1 approved, 0 refused.

• 26/05856/FULL Decided

  4A Abercorn Place NW8 9XR

  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.

  Submitted 26 Aug 2026 Full applications
• 26/02764/NMA Awaiting decision

  4A Abercorn Place NW8 9XR

  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.

  Submitted 24 Apr 2026 Amendments
• 25/06416/FULL Granted

  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.

  Decided 13 Feb 2026 Full applications

1. 29 May 2026

   Received by Westminster

2. 5 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 31 July 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 91 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.

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.

• 4A Abercorn Place NW8 9XR

  26/02764/NMA Submitted 24 Apr 2026 50 yards away

  93% 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 docs
  Small domestic

• 4A Abercorn Place NW8 9XR

  25/06416/FULL Submitted 8 Sep 2025 50 yards away

  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 docs
  Small domestic

• 4A Abercorn Place NW8 9XR

  26/05856/FULL Submitted 26 Aug 2026 50 yards away

  88% historically approved · decision due ~21 Oct

  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.

  Decided Full applications Windows or glazing

• Flat 3 5A Nugent Terrace London NW8 9QB

  23/04358/FULL Submitted 28 Jun 2023 50 yards away

  Siting of potted artificial planters on two sides of the flat roof at third floor level .

  Granted Full applications 22 docs

• First Floor Flat 2 Nugent Terrace London NW8 9QB

  26/00242/FULL Submitted 16 Jan 2026 50 yards away

  88% historically approved · decision due ~26 May

  Amalgamation of two existing flats into a single dwelling; erection of rear terrace and stairs and associated new railings, glass balustrade and privacy screen; installation of air source heat pumps to rear flat roof; replacement of windows and doors; installation of solar panels to roof; installation of rooflights.

  Decided Full applications New dwelling Loft or dormer +2 42 docs
  Domestic

• 6 Abercorn Place NW8 9XP

  26/01276/LBC Submitted 27 Feb 2026 50 yards away

  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 docs
  Small domestic

• 26/06234/FULL Decided

  40 Grosvenor Place London SW1X 7HJ

  Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/06015/FULL Decided

  129 Saltram Crescent London W9 3JT

  Erection of a two-storey rear extension.

  Received 3 Sep, published by the council 11 Sep 2026 Full applications
• 26/07382/FULL Awaiting decision

  90 Gloucester Place London W1U 6HS

  Use of the building as an embassy (sui generis)

  Received 28 Oct, published by the council 2 Nov 2026 Full applications
• 26/07363/FULL Awaiting decision

  36 Kilravock Street London W10 4HX

  Demolition of existing side/rear extension and construction of a new side/rear extension together with new glazing and doors, and changing the existing rooflights to the rear roof slope with new rooflights.

  Received 28 Oct, published by the council 2 Nov 2026 Full applications
• 26/07371/FULL Awaiting decision

  8A Randolph Road London W9 1AN

  Amalgamation of two residential units with internal refurbishment and reconfiguration. (Linked with 26/07372/LBC)

  Received 28 Oct, published by the council 2 Nov 2026 Full applications