76 Windermere Avenue London N3 3RA

This site has had 2 applications since 2026.

• 26/2420/HSE Decided

  76 Windermere Avenue London N3 3RA

  Erection of a rear outbuilding including raised platform

  Submitted 25 Jun 2026 Householder

1. 10 Sep 2026

   Received by Barnet

2. 14 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 14 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 9 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Barnet took a median of 43 days over the applications it decided in the last year.

• 26/2420/HSE Decided

  76 Windermere Avenue London N3 3RA

  Erection of a rear outbuilding including raised platform

  Submitted 25 Jun 2026 Householder

This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided amendment applications in a median of 41 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.

• 76 Windermere Avenue London N3 3RA

  26/2420/HSE Submitted 25 Jun 2026 0m away

  77% historically approved · decision due ~24 Aug

  Erection of a rear outbuilding including raised platform

  Decided Householder
  Small domestic

• 33 Kingsgate Avenue London N3 3DH

  26/2232/HSE Submitted 15 Jun 2026 95m away

  77% historically approved · decision due ~12 Aug

  Part single, part two storey side and rear extension following demolition of existing single storey side extension. Roof extension including rear dormer window and 4no. front facing rooflights and 1no. rear facing rooflight. New front porch with an associated relocation of front door. Removal of 1no. chimney. Alterations to hard and soft landscaping including new rear terrace with associated level changes and provision of off-street parking space to front garden. Alterations to fenestration (Amended Description and Plans).

  Decided Householder Extension Loft or dormer +2 31 docs
  Small domestic

• 33 Kingsgate Avenue London N3 3DH

  25/5029/192 Submitted 15 Dec 2025 162m away

  80% historically approved · decision due ~10 Feb

  Roof extension involving rear dormer window and 3no. front facing rooflights. New front porch and front window. Erection of a rear outbuilding with terrace area

  Awaiting decision Lawful development Extension Loft or dormer +1 24 docs
  Small domestic

• 33 Kingsgate Avenue London N3 3DH

  25/5179/PNH Submitted 29 Dec 2025 167m away

  58% historically approved · decision due ~3 Mar

  Single storey rear extension with a proposed depth of 5.00 metres, maximum height of 3.28 metres and eaves height of 2.91 metres.

  Awaiting decision Prior approval Extension 22 docs
  Small domestic

• 35 Orchard Avenue London N3 3NL

  26/0433/192 Submitted 5 Feb 2026 169m away

  80% historically approved · decision due ~2 Apr

  Roof extension involving hip to gable, rear dormer window, 1no. rear and 2no. front facing rooflights and new side gable window

  Awaiting decision Lawful development Extension Loft or dormer +1 7 docs

• 35 Orchard Avenue London N3 3NL

  26/0434/HSE Submitted 4 Feb 2026 169m away

  77% historically approved · decision due ~2 Apr

  Single storey side and rear extension with 1no. rooflight and extension of the existing raised patio and associated balustrade and rear access steps following demolition of the existing garage and extension

  Awaiting decision Householder Extension Loft or dormer +1 7 docs
  Small domestic

• 26/3330/NMA Awaiting decision

  Mar House 50 The Hyde London NW9 5NG

  Non material amendment to planning permission 22/1932/FUL dated 06/02/2024 for 'Change of use of ground floor from a use within Class E (retail), and construction of mezzanine floor, to provide a Class C1 Use (hotels) over both floors. Creation of new commercial units for a use within Class E (retail) and ancillary bar/restaurant facilities and associated external changes'. Amendments includes alterations to the wording of the proposed development

  11 Sep 2026 Amendments
• 26/3297/NMA Awaiting decision

  75 Wise Lane London NW7 2RH

  Non-material amendments to planning permission reference 17/2583/FUL dated 16/08/17 for 'Erection of a two storey detached residential dwelling with rooms in roofspace, following the demolition of existing two storey detached residential dwelling and garage. Associated parking, cycle storage, hard and soft landscaping.' Amendments include: Installation of zinc copings to the tops of the roof verge and eaves parapet walls and the tops of the first floor flat roof parapet walls; Replacement of one rooflight; Replacement of the concealed roof gutters and addition of overflows with zinc covers to north and south elevations; Stepped zinc roof flashings to sloping roof abutments with brick parapet walls

  10 Sep 2026 Amendments
• 26/3265/NMA Awaiting decision

  Fairacres 164 East End Road London N2 0RR

  Non-material amendments to planning permission reference 24/1113/FUL dated 22/01/25 for 'Demolition of existing units in the central and southern parts of the existing building and construction of new replacement self-contained dwellings to provide 36 residential units (Class C3). Alterations to the existing and retained front part of the building to provide 3 reconfigured self-contained residential units and the retention of 1 existing self-contained residential unit (Class C3), along with other general refurbishment and alterations works, new landscaping, refuse store, car and cycle parking, sub-station and retaining existing accesses on East End Road and Pulham Avenue. Retention of St Anne's House (2 units) and general refurbishment and improvement works.' Amendments include: Redesigned access around the rear garden: Redesigned hard and soft landscaping; Amended refuse store footprint

  8 Sep 2026 Amendments
• 26/3216/NMA Awaiting decision

  33 Rosslyn Avenue Barnet EN4 8DH

  Non-material amendments to planning permission reference 24/1856/HSE dated 10/07/24 for 'Single storey rear extension with new raised terrace area with associated access steps'. Amendments include change to size of door opening and colour of proposed rear door frame

  2 Sep 2026 Amendments
• 26/3021/NMA Decided

  Granville Road Estate Granville Road London NW2 2LD

  Non-material amendments to appeal reference APP/N5090/W/15/3132049 (planning reference F/04474/14 dated 08/08/2016 for 'Demolition of Beech Court, garages and other ancillary buildings and the erection of new buildings (including an extension to Nant Court) between two and six storeys in height (with additional basement levels in places) to provide 132 new dwellings in total (all use class C3), comprising 74 flats and 58 houses, together with associated reconfiguration of the site access arrangements and alterations to parking, landscaping, refuse, recycling and other storage facilities and the provision of new play and communal amenity space' Amendments include approved brick faced concrete retaining wall with coping stones and timber fence be replaced with a steel post and precast concrete panel 'King Post' retaining wall system

  17 Aug 2026 Amendments