Planning application
26/1632/HSE
17 Western Avenue London NW11 9HE
Proposal
Part single, part two storey side and rear extensions. Roof extension with side/rear wraparound dormers with 4no. front facing rooflights and new side gable window
As published by the council, reference 26/1632/HSE
Timeline
Dates from the published record
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30 Apr 2026
Received by Barnet
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1 May 2026
Validated
Checked as complete and ready for consideration.
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25 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Barnet for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
Nearby applications
Within 500 metres
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26/1425/PNH Awaiting decision
24 Western Avenue London NW11 9HJ
Single storey rear extension with a proposed depth of 5.00m, maximum height of 3.00m and an eaves height of 3.00m following the demolition of the existing outrigger
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26/1288/HSE Awaiting decision
24 Heathfield Gardens London NW11 9HX
Part single, part two storey rear extension. Single storey front porch extension
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26/2781/HSE Awaiting decision
11 Highfield Gardens London NW11 9HD
Single storey side extension including conversion of the existing garage into habitable room, insertion of window to replace the garage door
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26/0834/FUL Awaiting decision
2A Western Avenue London NW11 9HH
Demolition of existing dwelling and erection of a part single, part two storey building to provide 3no. self-contained flats. Associated refuse/recycling store, cycle storage and provision of 2no off street parking spaces
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26/0856/HSE Granted
48 Highfield Avenue London NW11 9UD
Single storey rear infill extension with access steps to garden level. First floor rear extension
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26/1713/FUL Awaiting decision
First Floor Flat 11 St Marys Road London NW11 9UE
Roof extension involving rear dormer window 1no. rear and 3no. front facing rooflights
Other householder applications
In Barnet
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26/2837/HSE Awaiting decision
26 The Drive Barnet EN5 4JQ
Single storey side and rear extension with 7no. rooflights
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26/2840/HSE Awaiting decision
19 Wildwood Road London NW11 6UL
Replacement of the existing front door, double glazing to existing windows and internal secondary glazing to front elevations; roof covering replacements, soffit and gutter repairs; security cameras, garden shed repairs and repainting, rear boundary hedges to 2.5m with concealed metal fencing
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26/2813/HSE Awaiting decision
3 Delamere Gardens London NW7 3EA
Single storey front extension incorporating a front porch, raising existing side extension floor level to match main house level, new roof with increased height to the side extension and 2no. rooflights, single storey rear extension with 4no. rooflights with new patio area, access steps to garden and hard and soft landscaping. Changes to fenestration: replacement of existing windows
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26/2812/HSE Awaiting decision
60 Millway London NW7 3RA
Two storey side extension linking to house and single storey rear infill extension following demolition of the existing garage. Associated alterations to roof
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26/2803/HSE Awaiting decision
15 Poynings Way London N12 7LP
Part single, part two storey side and rear extension. Conversion and extension of the existing garage, insertion of window to replace garage door. New front porch