3 Oakleigh Park South London N20 9JS

This site has had 4 applications since 2026: 1 approved, 0 refused.

• 26/2417/NMA Decided

  3 Oakleigh Park South London N20 9JS

  Non material amendment to planning permission 26/1023/HSE dated 11/05/2026 for 'Single storey rear extension. Changes to fenestration including new side door and installation of double width garage door to return garage to original use' Amendments includes adding a window to the right hand elevation of the rear extension

  Submitted 25 Jun 2026 Amendments
• 26/1148/HSE Awaiting decision

  3 Oakleigh Park South London N20 9JS

  Single storey rear extension. Changes to fenestration including installation of double width garage door to return garage to original use and removal of side window. (AMENDED DESCRIPTION)

  Submitted 26 Mar 2026 Householder
• 26/1023/HSE Granted

  3 Oakleigh Park South London N20 9JS

  Single storey rear extension. Changes to fenestration including new side door and installation of double width garage door to return garage to original use

  Decided 11 May 2026 Householder

1. 16 Jan 2026

   Received by Barnet

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 13 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.

• 3 Oakleigh Park South London N20 9JS

  26/1148/HSE Submitted 26 Mar 2026 50 yards away

  77% historically approved · decision due ~21 May

  Single storey rear extension. Changes to fenestration including installation of double width garage door to return garage to original use and removal of side window. (AMENDED DESCRIPTION)

  Awaiting decision Householder Extension Windows or glazing 9 docs
  Small domestic

• 3 Oakleigh Park South London N20 9JS

  26/1023/HSE Submitted 17 Mar 2026 50 yards away

  Single storey rear extension. Changes to fenestration including new side door and installation of double width garage door to return garage to original use

  Granted Householder Extension Windows or glazing 10 docs
  Small domestic

• 14 Oakleigh Avenue London N20 9JH

  TPP/0705/25 Submitted 27 Oct 2025 100 yards away

  1 x Lime (applicants ref. T2) - Reduce by 2-3 metres back to most recent previous pruning points, leaving no furnishings. Standing in Group G68 of Tree Preservation Order. 1 x Lime (applicants ref. T3) - Re-pollard back to most recent previous points, leaving no furnishings. Standing in Group G68 of Tree Preservation Order.

  Granted Trees 4 docs

• 3 Oakleigh Park South London N20 9JS

  26/2417/NMA Submitted 25 Jun 2026 100 yards away

  65% historically approved · decision due ~20 Aug

  Non material amendment to planning permission 26/1023/HSE dated 11/05/2026 for 'Single storey rear extension. Changes to fenestration including new side door and installation of double width garage door to return garage to original use' Amendments includes adding a window to the right hand elevation of the rear extension

  Decided Amendments Extension Windows or glazing
  Small domestic

• 30 Oakleigh Avenue London N20 9JH

  TPP/0760/25 Submitted 14 Nov 2025 150 yards away

  1 x Large Oak - Remove three large dead branches in the low/mid canopy overhanging the neighbouring garden. Standing in Group G124 of Tree Preservation Order. (Exempt works)

  Decided Trees 4 docs

• 30 Oakleigh Avenue London N20 9JH

  TPP/0714/25 Submitted 28 Oct 2025 150 yards away

  1 x Large Oak - Remove the two lowest branches and trunk growth. Remove major dead wood. Standing in Group G124 of Tree Preservation Order.

  Granted Trees 4 docs

• 26/3853/HSE Awaiting decision

  30 Goldsmith Avenue London NW9 7HB

  Single storey rear extension following demolition of the existing extension

  23 Oct 2026 Householder
• 26/3856/HSE Awaiting decision

  229 Hale Drive London NW7 3EH

  Single storey rear extension

  23 Oct 2026 Householder
• 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
• 26/3841/HSE Awaiting decision

  Manor House West Heath Close London NW3 7NJ

  New metal framed pergola to upper ground floor rear terrace

  Received 22 Oct, published by the council 23 Oct 2026 Householder