Planning application
Trees Austell Gardens London NW7 4NS
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Erection of a rear outbuilding
As published by the council, reference 26/0839/HSE
Application record
- Reference
- 26/0839/HSE
- Type
- Householder Application
- Status
- Approved subject to conditions
- Decision
- Granted As published: Approve subject to conditions
- Received
- 5 Mar 2026
- Validated
- 5 Mar 2026
- Decided
- 29 Apr 2026
- Ward
- Mill Hill
- Decision by
- Delegated Decision
- Postcode
- NW7 4NS
Site history
Applications at this address on the Barnet register
This site has had 3 applications since 2025: 2 approved, 0 refused.
-
26/0840/S73 Granted
Trees Austell Gardens London NW7 4NS
Variation of Condition 1 (Approved Plans) of planning permission reference 20/4044/FUL dated 03/06/21 for 'Erection of new dwelling on side of house. Associated refuse/recycling area, cycle store and amenity space, provision off street parking.' Variation to include alterations to hard and soft landscaping and vehicle access
-
25/3839/S73 Awaiting decision
Trees Austell Gardens London NW7 4NS
Variation of condition 1 (Approved Plans) of planning permission reference 20/4044/FUL dated 03/06/21 for 'Erection of new dwelling on side of house. Associated refuse/recycling area, cycle store and amenity space, provision off street parking.' Variation to include: Addition of 1no. north-facing side dormer window; Installation of 1no. additional rooflight to south facing roofslope; Installation of 1no. rooflight to ground floor flat roof; Alterations to north and south fenestration; Internal alterations; Amendments to landscaping proposals
Timeline
Dates from the published record
-
5 Mar 2026
Received by Barnet
-
29 Apr 2026
Decision issued: Approve subject to conditions
-
25 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Cohanim Architecture Agent, an architecture practice
32 applications on PlanIndex · across 13 councils · 78% 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
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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Barnet granted permission on 29 April 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.
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-
Trees Austell Gardens London NW7 4NS
Variation of Condition 1 (Approved Plans) of planning permission reference 20/4044/FUL dated 03/06/21 for 'Erection of new dwelling on side of house. Associated refuse/recycling area, cycle store and amenity space, provision off street parking.' Variation to include alterations to hard and soft landscaping and vehicle access
Granted Conditions New dwelling 10 docsDomestic -
Trees Austell Gardens London NW7 4NS
95% historically approved · decision due ~18 Nov
Variation of condition 1 (Approved Plans) of planning permission reference 20/4044/FUL dated 03/06/21 for 'Erection of new dwelling on side of house. Associated refuse/recycling area, cycle store and amenity space, provision off street parking.' Variation to include: Addition of 1no. north-facing side dormer window; Installation of 1no. additional rooflight to south facing roofslope; Installation of 1no. rooflight to ground floor flat roof; Alterations to north and south fenestration; Internal alterations; Amendments to landscaping proposals
Awaiting decision Conditions New dwelling Loft or dormer +2 10 docsDomestic -
38 Tretawn Gardens London NW7 4NR
77% historically approved · decision due ~2 Sep
Roof extension involving triple rear dormer window, 2no. front facing rooflights and new side gable windows
Decided Householder Extension Loft or dormer +1Domestic -
24 Tretawn Gardens London NW7 4NR
Roof extension involving extended crown roof, raising of the ridge height, side and rear dormer windows and 2no. front facing rooflights
Granted Householder Extension Loft or dormer +2 16 docsDomestic -
2 Brabourne Heights Marsh Lane London NW7 4NU
Conversion of garage into habitable room and the replacement of garage door with a window
Granted Householder Windows or glazing 5 docsDomestic -
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