24 Western Avenue London NW11 9HJ

This site has had 4 applications since 2025: 2 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
• 26/0257/HSE Awaiting decision

  24 Western Avenue London NW11 9HJ

  Part single, part two storey rear extension

  Submitted 22 Jan 2026 Householder
• 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. 17 Apr 2026

   Received by Barnet

2. 24 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 25 Jul 2026

   Added to PlanIndex

4. 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.

   Barnet took a median of 44 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 prior approval applications in a median of 36 days. More in our guide to how long planning decisions take.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 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 Western Avenue London NW11 9HJ

  26/0257/HSE Submitted 22 Jan 2026 50 yards away

  77% historically approved · decision due ~26 Mar

  Part single, part two storey rear extension

  Awaiting decision Householder Extension 3 docs
  Domestic

• 24 Heathfield Gardens London NW11 9HX

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

  58% 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

• 26/3407/PNH Awaiting decision

  12 Ingleway London N12 0QJ

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 2.75 metres and eaves height of 2.75 metres, following demolition of the existing conservatory.

  17 Sep 2026 Prior approval
• 26/3384/PNH Awaiting decision

  68 Grasvenor Avenue Barnet EN5 2DB

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.70 metres and eaves height of 3.00 metres. Following demolition of the existing garage.

  Received 16 Sep, published by the council 18 Sep 2026 Prior approval
• 26/3322/PNH Awaiting decision

  35 Aldridge Avenue Edgware HA8 8TA

  Single storey rear extension with a proposed depth of 6 metres, maximum height of 3 metres and eaves height of 3 metres.

  Received 11 Sep, published by the council 16 Sep 2026 Prior approval
• 26/3337/PNH Awaiting decision

  103 Brunswick Park Road London N11 1JT

  Single storey rear extension with a proposed depth of 6 metres, maximum height of 4 metres and eaves height of 3 metres. Following demolition of the existing garage.

  Received 11 Sep, published by the council 15 Sep 2026 Prior approval
• 26/3320/PNH Awaiting decision

  31 Woodlands London NW11 9QJ

  2no. single-storey rear extensions with a proposed depth of 6 metres, maximum height of 4 metres and eaves height of 3 metres, following demolition of the existing rear extension and patio. (Amended description)

  Received 10 Sep, published by the council 15 Sep 2026 Prior approval