Skip to content
PlanIndex Get alerts
Menu

Planning application

3 Oakleigh Park South London N20 9JS

Awaiting decision Barnet 26/0171/HSE Householder Application

Works: Extension Windows or glazing Small domestic

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

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

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 26/0171/HSE

Application record

Reference
26/0171/HSE
Type
Householder Application
Status
Pending Consideration
Received
16 Jan 2026
Validated
16 Jan 2026
Ward
Whetstone
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
  • 26/1023/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

Timeline

Dates from the published record

  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 43 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Agent on file

100 applications on PlanIndex · across 12 councils · 93% granted

Trade members see who it is, their full track record, and every application they have filed.

See who's behind it

Documents

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

8 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.

Trade members open them from here.

Open the documents

What happens while it is decided

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.

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 500 metres

  • 3 Oakleigh Park South London N20 9JS

    26/1148/HSE Submitted 26 Mar 2026 0m 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 0m 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 98m 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 102m away

    71% 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

  • The Mews Cottage 20 And A Half Oakleigh Park South London N20 9JU

    26/1578/CON Submitted 27 Apr 2026 120m away

    95% historically approved · decision due ~22 Jun

    Submission of details of condition 4 (Cycle parking/storage) 5 (Refuse storage/collection) 9 (Enclosure/boundary treatment) pursuant to planning permission 26/0724/FUL dated 22/04/2026

    Awaiting decision Conditions 2 docs

  • 30 Oakleigh Avenue London N20 9JH

    TPP/0760/25 Submitted 14 Nov 2025 123m 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

In Barnet

  • 26/3249/HSE Awaiting decision

    19 Rushdene Avenue Barnet EN4 8EN

    New front vehicular access and hardstanding to provide off-street parking space. New retaining wall following demolition of the existing wall and raised planted beds

    7 Sep 2026 Householder
  • 26/3235/HSE Awaiting decision

    26 Mount Pleasant Barnet EN4 9HH

    Replace existing flat roof at ground floor rear elevation with pitched roof and 2no. rooflights

    4 Sep 2026 Householder
  • 26/3222/HSE Awaiting decision

    46 Michleham Down London N12 7JN

    Single storey side/rear extension with 3no. rooflights following demolition of the existing storage/utility structure. Changes to fenestration

    3 Sep 2026 Householder
  • 26/3219/HSE Awaiting decision

    53 Tudor Road Barnet EN5 5NW

    First floor rear extension with front and rear rooflights. Roof extension over existing garage

    2 Sep 2026 Householder
  • 26/3210/HSE Awaiting decision

    47 Pattison Road London NW2 2HL

    New front vehicular access to provide off-street parking. Removal of existing gate and shed, alterations to the existing front boundary wall and installation of close board fencing panels.

    2 Sep 2026 Householder