25 Grange Avenue Barnet EN4 8NJ

This site has had 2 applications since 2026: 0 approved, 1 refused.

• 26/1780/HSE Refused

  25 Grange Avenue Barnet EN4 8NJ

  Part single, part two storey side and rear extensions with pitched roof, 2no. rooflights and new access steps to garden level

  Decided 7 Jul 2026 Householder

1. 10 Sep 2026

   Received by Barnet

2. 11 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 5 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 45 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.

• 25 Grange Avenue Barnet EN4 8NJ

  26/1780/HSE Submitted 12 May 2026 50 yards away

  Part single, part two storey side and rear extensions with pitched roof, 2no. rooflights and new access steps to garden level

  Refused Householder Extension Loft or dormer 8 docs
  Domestic

• 81 Avondale Avenue Barnet EN4 8NA

  26/1619/192 Submitted 29 Apr 2026 100 yards away

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

  Granted Lawful development Extension Loft or dormer +1 7 docs

• 89 Avondale Avenue Barnet EN4 8NA

  25/5135/HSE Submitted 22 Dec 2025 150 yards away

  77% historically approved · decision due ~16 Feb

  Part single, part two storey side and rear extension. New front porch

  Awaiting decision Householder Extension 9 docs
  Small domestic

• Church Farm Church Hill Road Barnet EN4 8XE

  26/0298/S73 Submitted 27 Jan 2026 150 yards away

  Variation of condition 14 (Public Highway Works) of planning permission 23/3951/FUL dated 21/12/2023 for 'Demolition of swimming pool and shed and the erection of a new shed and a part single storey/part two storey terraced development to provide 8no. residential dwellings. Associated car and cycle parking and landscaping.' Variation to include changes to the wording of condition 14 involving the removal of the wording 'prior to first occupation of the development' New wording proposed - 'No works on the public highway including creation or modification of a vehicular access or reinstatement of redundant accesses as a result of the proposed development within either phase shall be carried out until detailed design drawings have been submitted and approved by the Highway Authority and works shall only be carried out in accordance with the approved plans. The applicant will be expected to enter into an agreement with the Highways Authority under Section 184/278 of the Highways Act, for these works and reinstatement of any consequential damage to public highway as a result of the proposed development. All off-site highway works shall be completed to the satisfaction of the Local Highway Authority'

  Granted Conditions Demolition 7 docs
  Small domestic

• Church Farm Church Hill Road Barnet EN4 8XE

  25/4244/CON Submitted 23 Oct 2025 150 yards away

  Submission of details of conditions 9 (Pre-completion Sound Insulation Test Certificates), 25 (Ecological Enhancement Measures), 27 (Hedgehog Highways) and 29 (Low Impact Lighting) pursuant to planning permission 23/3951/FUL dated 21/12/2023

  Granted Conditions 11 docs

• Church Farm Church Hill Road Barnet EN4 8XE

  25/3640/CON Submitted 3 Sep 2025 150 yards away

  Submission of details of condition 17 (Landscaping) pursuant to planning permission 23/3951/FUL dated 21/12/2023

  Granted Conditions 8 docs

• 26/3953/HSE Awaiting decision

  51 Bedford Avenue Barnet EN5 2ER

  Single storey rear extension with flat roof, 1no. rooflight and new access steps following demolition of the existing conservatory. Removal of the rear chimney stack. Changes to ground floor north side fenestration

  2 Nov 2026 Householder
• 26/3947/HSE Awaiting decision

  20 Fallow Court Avenue London N12 0EB

  Single storey side and rear extension

  30 Oct 2026 Householder
• 26/3941/HSE Awaiting decision

  29 Flower Lane London NW7 2JG

  Part single, part two storey rear extension with enlargement of the patio area following demolition of the conservatory

  Received 29 Oct, published by the council 2 Nov 2026 Householder
• 26/3933/HSE Awaiting decision

  11 Talbot Avenue London N2 0LS

  Single storey rear infill extension

  29 Oct 2026 Householder
• 26/3932/HSE Awaiting decision

  45 Summerlee Avenue London N2 9QP

  Erection of a rear outbuilding with 4no. rooflights following demolition of the existing garage

  29 Oct 2026 Householder