Planning application
26/1701/HSE
23 Sanderstead Avenue London NW2 1SE
Proposal
Single storey side and rear extensions. Roof extension involving 2no. front dormer windows
As published by the council, reference 26/1701/HSE
Timeline
Dates from the published record
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6 May 2026
Received by Barnet
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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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26/1621/HSE Awaiting decision
20 Sanderstead Avenue London NW2 1SG
Single storey side and rear extension with 2no. rooflights and new patio area. Roof extension involving side and rear dormer window
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26/1125/HSE Awaiting decision
138 The Vale London NW11 8SN
Installation of front access gates and fence (UPDATED PLANS)
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26/1475/HSE Awaiting decision
30 Dersingham Road London NW2 1SL
Single storey rear extension with 1no. rooflight and new patio area following demolition of the existing rear outrigger and conservatory
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26/2642/HSE Awaiting decision
58 Caddington Road London NW2 1RS
Single storey side extension with 1no. skylight. Construction of rear conservatory. Removal of the existing pitched roof on the garage and replacement with a new flat roof
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26/1785/HSE Awaiting decision
58 Caddington Road London NW2 1RS
Single storey side extension with new first floor balcony above. Removal of existing pitched roof to garage and replacement with new flat roof. Construction of rear conservatory
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26/0968/PNH Granted
62 Greenfield Gardens London NW2 1HY
Single storey rear extension with a proposed maximum depth of 4.0m, maximum height of 3.8m and an eaves height of 2.9m
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