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Planning application

3 Oakleigh Park South London N20 9JS

Granted Barnet 26/1023/HSE Householder Application

Works: Extension Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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

As published by the council, reference 26/1023/HSE

Application record

Reference
26/1023/HSE
Type
Householder Application
Status
Approved subject to conditions
Decision
Granted As published: Approve subject to conditions
Received
17 Mar 2026
Validated
17 Mar 2026
Decided
11 May 2026
Ward
Whetstone
Decision by
Delegated Decision
Postcode
N20 9JS

Site history

Applications at this address on the Barnet register

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
  • 26/0171/HSE Awaiting decision

    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

    Submitted 16 Jan 2026 Householder

Timeline

Dates from the published record

  1. 17 Mar 2026

    Received by Barnet

  2. 11 May 2026

    Decision issued: Approve subject to conditions

  3. 25 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 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

Who's behind it

Company information only, from the register and Companies House

A.J Ferryman & Associates Agent

107 applications on PlanIndex · across 12 councils · 90% granted

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Documents

Plans, drawings, consultee responses and the officer's report

10 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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Open the documents

What this grant of permission means

Barnet granted permission on 11 May 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.

About householder applications

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.

Nearby applications

Within 0.3 miles

  • 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

    26/0171/HSE Submitted 16 Jan 2026 50 yards away

    77% historically approved · decision due ~13 Mar

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

    Awaiting decision Householder Extension Windows or glazing 8 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

In Barnet

  • 26/3476/HSE Granted

    116 Chase Way London N14 5DH

    Single storey rear extension with 2no. rooflights. Changes to fenestration; new doors, 3no. new windows to rear elevation

    Received 24 Sep, published by the council 25 Sep 2026 Householder
  • 26/4019/HSE Awaiting decision

    38 Asmuns Hill London NW11 6ET

    Replacement of windows with vacuum-glazed windows (excluding subframes) and new french doors to rear

    6 Nov 2026 Householder
  • 26/4023/HSE Awaiting decision

    61 Bullescroft Road Edgware HA8 8RN

    Single storey front, side and rear wraparound extension incorporating porch following conversion of the existing garage, including window to replace garage door

    6 Nov 2026 Householder
  • 26/4015/HSE Awaiting decision

    6 Raeburn Close London NW11 6UG

    Alterations to the rear ground floor elevation, including replacement of the existing door and two windows with timber framed French doors and windows. Replacement of existing single glazed windows with new double glazed timber windows. Replacement of the existing rear patio doors with double glazed timber doors. Formation of a new rear patio. Addition of new bin storage at front

    Received 5 Nov, published by the council 6 Nov 2026 Householder
  • 26/4012/HSE Awaiting decision

    59 Hendon Way London NW2 2LX

    Two storey side and rear extension. New front porch

    5 Nov 2026 Householder