105 Brookside South Barnet EN4 8LL

This site has had 2 applications since 2025.

• 25/4938/192 Awaiting decision

  105 Brookside South Barnet EN4 8LL

  Roof extension involving hip to gable, rear dormer window, 2no. front facing rooflights and new side gable window. Erection of a rear outbuilding following demolition of the existing garage

  Submitted 9 Dec 2025 Lawful development

1. 9 Dec 2025

   Received by Barnet

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 3 February 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.

• 105 Brookside South Barnet EN4 8LL

  25/4938/192 Submitted 9 Dec 2025 50 yards away

  80% historically approved · decision due ~9 Feb

  Roof extension involving hip to gable, rear dormer window, 2no. front facing rooflights and new side gable window. Erection of a rear outbuilding following demolition of the existing garage

  Awaiting decision Lawful development Extension Loft or dormer +2 9 docs

• 103 Brookside South Barnet EN4 8LL

  26/1777/HSE Submitted 12 May 2026 50 yards away

  Single storey rear extension with new raised levelled patio area and access steps to garden following demolition of the existing garage

  Granted Householder Extension Demolition 6 docs
  Small domestic

• 77 Brookside South Barnet EN4 8LL

  26/0590/192 Submitted 16 Feb 2026 150 yards away

  Use of one room as a home office for a private hire (mini cab) operator

  Granted Lawful development 5 docs

• 50 Monkfrith Way London N14 5ND

  25/3581/192 Submitted 29 Aug 2025 200 yards away

  Roof extension involving hip to gable, rear dormer window, 3no. front facing rooflights and new side gable window

  Granted Lawful development Extension Loft or dormer +1 6 docs

• 39 Knoll Drive London N14 5LU

  26/3567/HSE Submitted 2 Oct 2026 200 yards away

  77% historically approved · decision due ~27 Nov

  First floor side extension and first floor rear window enlargement

  Awaiting decision Householder Extension Windows or glazing
  Domestic

• 39 Knoll Drive London N14 5LU

  26/3566/192 Submitted 2 Oct 2026 200 yards away

  79% historically approved · decision due ~27 Nov

  Roof extension involving hip to gable, rear dormer window and 4no. front facing rooflights. Single storey side/rear infill extension and insertion of 3no. roof lights. Fenestration changes to the rear, new rear terrace with access steps and glass balustrade. Increase in ridge height of existing rear and side extensions. (AMENDED)

  Awaiting decision Extension Loft or dormer +2
  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