Planning application
3 Oakleigh Park South London N20 9JS
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 installation of double width garage door to return garage to original use and removal of side window. (AMENDED DESCRIPTION)
As published by the council, reference 26/1148/HSE
Application record
- Reference
- 26/1148/HSE
- Type
- Householder Application
- Status
- Pending Decision
- Received
- 26 Mar 2026
- Validated
- 26 Mar 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.
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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
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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
-
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
Timeline
Dates from the published record
-
26 Mar 2026
Received by Barnet
-
25 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 21 May 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.
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
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
9 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat 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 0.3 miles
-
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
Granted Householder Extension Windows or glazing 10 docsSmall domestic -
3 Oakleigh Park South London N20 9JS
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 docsSmall domestic -
14 Oakleigh Avenue London N20 9JH
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
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 glazingSmall domestic -
30 Oakleigh Avenue London N20 9JH
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
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
Other householder applications
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
-
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
-
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
-
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
-
26/4012/HSE Awaiting decision
59 Hendon Way London NW2 2LX
Two storey side and rear extension. New front porch