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
• 26/0257/HSE Awaiting decision

  24 Western Avenue London NW11 9HJ

  Part single, part two storey rear extension

  Submitted 22 Jan 2026 Householder

1. 5 Dec 2025

   Received by Barnet

2. 8 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 12 Jan 2026

   Decision issued: Prior Approval Not Required

4. 10 Aug 2026

   Added to PlanIndex

Barnet granted permission on 12 January 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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

  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

  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

  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

• 26/3835/PNH Awaiting decision

  3 Devonshire Crescent London NW7 1DN

  Single storey rear extension with a proposed depth of 5.00 metres, maximum height of 3.48 metres and eaves height of 3.00 metres. Following demolition of existing rear outrigger.

  22 Oct 2026 Prior approval
• 26/3832/PNH Awaiting decision

  48 Alverstone Avenue Barnet EN4 8EB

  Single storey rear extension with a proposed depth of 4.5 metres, maximum height of 3.15 metres and eaves height of 3 metres following demolition of existing rear extension.

  22 Oct 2026 Prior approval
• 26/3823/PNH Awaiting decision

  7 Southbourne Crescent London NW4 2LB

  Single storey rear extension added to an existing extension with the total extension measuring 6.00 metres deep, with a maximum height of 3.00 metres and an eaves height of 3.00 metres.

  21 Oct 2026 Prior approval
• 26/3809/PND Awaiting decision

  10 Clifford Road Barnet EN5 5PG

  Demolition of existing garage and attached pitched-roof structure

  21 Oct 2026 Prior approval
• 26/3819/PNH Awaiting decision

  78 Russell Lane London N20 0AP

  2no. Single storey rear extensions with a proposed depth of 7.00 metres, maximum height of 3.60 metres and eaves height of 3.00 metres. Following demolition of the existing side/rear outrigger.

  Received 20 Oct, published by the council 22 Oct 2026 Prior approval