9 Cadogan Gardens London N3 2HN

This site has had 2 applications since 2025.

• 25/3848/HSE Awaiting decision

  9 Cadogan Gardens London N3 2HN

  Single storey rear extension with 2no. rooflights. Front porch fenestration and facade alterations

  Submitted 18 Sep 2025 Householder

1. 21 May 2026

   Received by Barnet

2. 25 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 16 July 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 44 days over the applications it decided in the last year.

• 25/3848/HSE Awaiting decision

  9 Cadogan Gardens London N3 2HN

  Single storey rear extension with 2no. rooflights. Front porch fenestration and facade alterations

  Submitted 18 Sep 2025 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.

• 9 Cadogan Gardens London N3 2HN

  25/3848/HSE Submitted 18 Sep 2025 49m away

  77% historically approved · decision due ~14 Nov

  Single storey rear extension with 2no. rooflights. Front porch fenestration and facade alterations

  Awaiting decision Householder Extension Loft or dormer +1 6 docs
  Small domestic

• 16 Oakfield Road London N3 2HT

  25/4019/PNH Submitted 3 Oct 2025 111m away

  58% historically approved · decision due ~28 Nov

  Proposed single storey rear extension with a maximum depth of 5.00m, a maximum height of 3.15m and a maximum eaves height of 3.15m

  Awaiting decision Prior approval Extension 4 docs
  Small domestic

• 43 Dukes Avenue London N3 2DE

  26/3396/HSE Submitted 17 Sep 2026 121m away

  77% historically approved · decision due ~12 Nov

  Single storey rear, part two storey side extension with 1no. rooflight following the demolition of existing shed. Roof extension with rear dormer window, 1no. front, 3no. side facing rooflights and roof windows to the front and side roof slopes. Installation of solar panels to side elevation of roof

  Awaiting decision Householder Extension Loft or dormer +2
  Small domestic

• First And Second Floor Flat 10 Dukes Avenue London N3 2DD

  26/2101/FUL Submitted 5 Jun 2026 131m away

  61% historically approved · decision due ~31 Jul

  Roof extension with rear dormer window, juliette balcony and 2no. front facing rooflights

  Awaiting decision Full applications Extension Loft or dormer +1 25 docs

• First And Second Floor Flat 10 Dukes Avenue London N3 2DD

  26/3175/CON Submitted 28 Aug 2026 131m away

  79% historically approved · decision due ~29 Oct

  Submission of details of condition 5 (Biodiversity Enhancement Plan (BEP)) pursuant to planning permission 26/2101/FUL dated 29/07/2026

  Awaiting decision

• Ground Floor Flat 10 Dukes Avenue London N3 2DD

  26/2549/FUL Submitted 7 Jul 2026 131m away

  61% historically approved · decision due ~1 Sep

  Erection of a rear outbuilding

  Decided Full applications

• 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
• 26/3315/NMA Awaiting decision

  76 Windermere Avenue London N3 3RA

  Non material amendment to planning permission original ref 26/2420/HSE dated 24/08/2026 for 'Erection of a rear outbuilding including raised platform'. Amendments includes changes to landscape and levels

  Received 10 Sep, published by the council 14 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

  Received 10 Sep, published by the council 14 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

  Received 8 Sep, published by the council 11 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

  Received 2 Sep, published by the council 11 Sep 2026 Amendments