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
• 26/03542/FULL Awaiting decision

  4A Abercorn Place NW8 9XR

  Installation of air conditioning unit within front lightwell. Installation of air conditioning unit within an acoustic enclosure within rear garden.

  Submitted 29 May 2026 Full applications
• 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. 24 Apr 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 19 June 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 amendment applications in a median of 81 days. More in our guide to how long planning decisions take.

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.

• 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

• 4A Abercorn Place NW8 9XR

  26/03542/FULL Submitted 29 May 2026 50 yards away

  88% 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

  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

• 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

• 26/07459/NMA Awaiting decision

  1 Hanover Square London W1S 1HA

  Amendments to planning pemrission dated 10 October 2025 (RN: 25/01558/FULL) for the: Partial demolition, refurbishment and extension of the existing building to provide a sub-basement, basement, ground plus eight storey building; infilling and stepped rear extension; excavation of a new sub-basement level; installation of new plant equipment at basement and roof level; terraces at fourth, fifth, sixth, seventh and eighth floor levels; soft and hard landscaping; reprovision of car parking; new cycle parking facilities; and associated external works. Use of the building for retail and/or restaurant (Class E) on part ground floor and office (Class E) on all other floors. NAMELY, to allow alterations to the design of the ground floor frontages on Hanover Square and St George Street.

  Received 3 Nov, published by the council 5 Nov 2026 Amendments
• 26/07438/NMA Awaiting decision

  29 - 31 Hill Street London W1J 5LS

  Amendments to planning permission dated 1st July 2025 (RN 25/01006/FULL) for the external alterations at roof level including the creation of Level 04 roof terrace for use in association with existing office (Class E), replacement and installation of new plant and landscaping, replacement of windows, introduction of louvres, removal and replacement of rooflights, installation of new rooflight and other associated works. NAMELY, for alterations comprising of the removal of window sash boxes and weights, changes to the window mullion arrangement, the removal of two sash windows, the installation of secondary glazing, the removal of existing chamber hatch and installation of extract vent and integrated bench, the external replacement of rainwater goods and hoppers, the removal of bricks and installation of airbricks, minor demolition works, replacement of roof covering, removal of ductwork, roof plant rearrangement, the installation of a new external door to plant area, minor layout alterations and other associated works.

  Received 2 Nov, published by the council 6 Nov 2026 Amendments
• 26/07389/NMA Decided

  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 Flat 1 5 Grittleton Road.

  29 Oct 2026 Amendments
• 26/07377/NMA Awaiting decision

  60 Ledbury Road London W11 2AJ

  Amendments to planning permission dated 2nd October 2025 (RN 25/04018/FULL) for the Partial demolition, refurbishment, and erection of a mansard roof extension to form a new third floor with dormers to front, side and rear elevations; to form 6 flats (Class C3) on upper floors; external plant equipment and ductwork; lower ground floor excavation to increase floor to ceiling height; replacement windows; cycle parking and associated external alterations; use of the part ground floor and lower ground floor as retail and restaurant (Class E). Site includes 60-68 Ledbury Road) NAMELY, An amendment to the basement and ground floor drawing reference numbers; amendment to the description of development, in reference to restaurant and or retail use; and amendments to C

  Received 28 Oct, published by the council 3 Nov 2026 Amendments
• 26/07375/NMA Awaiting decision

  77 Hereford Road London W2 5BB

  Amendments to planning permission dated 4th August 2026 (RN 26/03970/FULL) for the Replacement of roof terrace access stair with glazed hatch, new timber decking and front and rear roof railings to roof terrace, with infilling side window of closet wing. NAMELY, Hinged hatch access substituted by sliding hatch.

  Received 28 Oct, published by the council 3 Nov 2026 Amendments