Planning application
9 Temple Avenue London N20 9EJ
Works: Extension Loft or dormer Demolition 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
Two storey side extension following demolition of existing single storey side projection. Single storey rear extension following demolition of existing conservatory. New raised patio and associated steps to garden. New front porch. Roof extension involving side and rear dormer windows, 1no. front facing rooflight and solar panels to side roof slope following demolition of 2no. chimneys to the rear
As published by the council, reference 26/0851/HSE
Application record
- Reference
- 26/0851/HSE
- Type
- Householder Application
- Status
- Approved subject to conditions
- Decision
- Granted As published: Approve subject to conditions
- Received
- 6 Mar 2026
- Validated
- 10 Mar 2026
- Decided
- 14 Apr 2026
- Ward
- Whetstone
- Decision by
- Delegated Decision
- Postcode
- N20 9EJ
Site history
Applications at this address on the Barnet register
This site has had 5 applications since 2025: 5 approved, 0 refused.
-
25/4718/192 Granted
9 Temple Avenue London N20 9EJ
Roof extension with side dormer,rear dormer window with juliette balcony and 1no. front facing rooflight and solar panels to side roof slope. Following demolition of 2 no. chimneys to the rear.
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25/4116/HSE Granted
9 Temple Avenue London N20 9EJ
Two storey side extension following demolition of existing single storey side projection. Single storey rear extension following demolition of existing conservatory. New raised patio and associated steps to garden. New front porch
-
25/3571/192 Granted
9 Temple Avenue London N20 9EJ
Single storey rear extension following demolition of the existing conservatory and patio
-
25/3348/192 Granted
9 Temple Avenue London N20 9EJ
Single storey rear extension following the demolition of existing conservatory and patio
Timeline
Dates from the published record
-
6 Mar 2026
Received by Barnet
-
10 Mar 2026
Validated
Checked as complete and ready for consideration.
-
14 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
Steven Gray Design Limited Agent, a design practice
56 applications on PlanIndex · across 6 councils · 85% 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
12 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 documentsWhat this grant of permission means
Barnet granted permission on 14 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.
Nearby applications
Within 0.3 miles
-
9 Temple Avenue London N20 9EJ
Two storey side extension following demolition of existing single storey side projection. Single storey rear extension following demolition of existing conservatory. New raised patio and associated steps to garden. New front porch
Granted Householder Extension Demolition 10 docsSmall domestic -
9 Temple Avenue London N20 9EJ
Single storey rear extension following demolition of the existing conservatory and patio
Granted Lawful development Extension Demolition 7 docsSmall domestic -
9 Temple Avenue London N20 9EJ
Single storey rear extension following the demolition of existing conservatory and patio
Granted Lawful development Extension Demolition 7 docsSmall domestic -
9 Temple Avenue London N20 9EJ
Roof extension with side dormer,rear dormer window with juliette balcony and 1no. front facing rooflight and solar panels to side roof slope. Following demolition of 2 no. chimneys to the rear.
Granted Lawful development Extension Loft or dormer +2 11 docs -
35 Buckingham Avenue London N20 9DG
77% historically approved · decision due ~8 Jul
Single storey rear extension with new raised patio area with associated access steps and landscaping. Conversion of the existing garage into habitable room, insertion of window and door to replace the garage door. Roof extension involving rear dormer window and skylights. Replacement of existing windows. External wall insulation
Awaiting decision Householder Extension Loft or dormer +1 6 docsSmall domestic -
20 Langton Avenue London N20 9DB
Single storey rear extension following demolition of the existing conservatory with 1no. flat rooflight
Granted Householder Extension Loft or dormer +1 8 docsDomestic
Other householder applications
In Barnet
-
26/3422/HSE Awaiting decision
Revelstroke 28 Totteridge Village London N20 8JN
Construction of a swimming pool and associated hard and soft landscaping following demolition of the existing shed including new access steps. Alterations to the ground level. Replacement of an existing timber decking terrace with a paved terrace.
-
26/3396/HSE Awaiting decision
43 Dukes Avenue London N3 2DE
Single storey rear, part two storey side extension with 1no. rooflight following the demolition of existing shed. Roof extension with rear dormer window, 1no. front, 3no. side facing rooflights and roof windows to the front and side roof slopes. Installation of solar panels to side elevation of roof
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26/3410/HSE Awaiting decision
54 Ferney Road Barnet EN4 8LE
Single storey rear extension with alteration to the raised terrace area including new access steps to garden
-
26/3415/HSE Awaiting decision
11 Downage London NW4 1AS
Alterations and extensions to the roof including rear dormer window and the partial removal of the roof of the first floor rear extension, creation of a new crown roof over main roof and rear extension, 1no. front, 1no. side, 1no. rear facing rooflight and 1no. on crown roof
-
26/3382/HSE Awaiting decision
11 Layfield Crescent London NW4 3UJ
Part single, part two storey rear extension with flat roof and 1no. skylight