24 Western Avenue London NW11 9HJ

This site has had 4 applications since 2025: 3 approved, 0 refused.

• 26/1996/HSE Granted

  24 Western Avenue London NW11 9HJ

  Single storey rear extension. First floor rear extension (AMENDED DESCRIPTION)

  Decided 4 Aug 2026 Householder
• 26/1425/PNH Granted

  24 Western Avenue London NW11 9HJ

  Single storey rear extension with a proposed depth of 5.00m, maximum height of 3.00m and an eaves height of 3.00m following the demolition of the existing outrigger

  Decided 20 May 2026 Prior approval
• 25/4897/PNH Granted

  24 Western Avenue London NW11 9HJ

  Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.00m and eaves height of 3.00m

  Decided 12 Jan 2026 Prior approval

1. 22 Jan 2026

   Received by Barnet

2. 29 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 26 March 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 46 days over the applications it decided in the last year.

This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 24 Western Avenue London NW11 9HJ

  26/1425/PNH Submitted 17 Apr 2026 50 yards away

  Single storey rear extension with a proposed depth of 5.00m, maximum height of 3.00m and an eaves height of 3.00m following the demolition of the existing outrigger

  Granted Prior approval Extension Demolition 3 docs
  Small domestic

• 24 Western Avenue London NW11 9HJ

  25/4897/PNH Submitted 5 Dec 2025 50 yards away

  Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.00m and eaves height of 3.00m

  Granted Prior approval Extension 3 docs
  Small domestic

• 24 Western Avenue London NW11 9HJ

  26/1996/HSE Submitted 28 May 2026 50 yards away

  Single storey rear extension. First floor rear extension (AMENDED DESCRIPTION)

  Granted Householder Extension 5 docs
  Small domestic

• 24 Heathfield Gardens London NW11 9HX

  25/5094/PNH Submitted 18 Dec 2025 50 yards away

  56% historically approved · decision due ~12 Feb

  2no. single-storey rear extensions with a maximum proposed depth of 6.0m, maximum height of 3.0m and an eaves height of 3.0m

  Awaiting decision Prior approval Extension 3 docs
  Small domestic

• 24 Heathfield Gardens London NW11 9HX

  25/5093/192 Submitted 18 Dec 2025 50 yards away

  80% historically approved · decision due ~12 Feb

  Roof extension involving hip to gable, rear dormer window. Front porch extension (AMENDED DESCRIPTION)

  Awaiting decision Lawful development Extension Loft or dormer +1 3 docs
  Small domestic

• 24 Heathfield Gardens London NW11 9HX

  25/5095/HSE Submitted 18 Dec 2025 50 yards away

  77% historically approved · decision due ~12 Feb

  Part single, part two storey rear extension. Single storey front porch extension

  Awaiting decision Householder Extension 5 docs
  Small domestic

• 26/3827/HSE Awaiting decision

  43 Hermitage Lane London NW2 2HE

  Single storey rear extension with 3no. rooflights following demolition of the existing conservatory. Replacement front bay window and entrance porch. First floor rear juliette balcony. Changes to fenestration including new window openings and enlarged front rooflight

  22 Oct 2026 Householder
• 26/3833/HSE Awaiting decision

  47 Holne Chase London N2 0QG

  Single storey rear extension. Replacement of single glazed windows with double glazing. Alterations to side/rear fenestration. Alterations and replacement of existing rear dormer window addition of 2no. side dormer windows and 3no. rooflights. Installation of cameras and wall lights. Replacement of the front entrance and garage doors, installation of timber side garden gates

  22 Oct 2026 Householder
• 26/3815/HSE Awaiting decision

  17 Hurstwood Road London NW11 0AS

  Single storey rear extension

  21 Oct 2026 Householder
• 26/3800/HSE Awaiting decision

  29 Monks Avenue Barnet EN5 1BZ

  Single storey side and rear infill extension including new front porch following demolition of the side/rear storage.

  Received 20 Oct, published by the council 21 Oct 2026 Householder
• 26/3791/HSE Awaiting decision

  149 Montrose Avenue Edgware HA8 0DZ

  New front hardstanding and vechicular access to provide off-street parking

  Received 20 Oct, published by the council 21 Oct 2026 Householder