Planning application
48 Highfield Avenue London NW11 9UD
Works: Extension 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
2No single storey rear extensions. 1No with a maximum depth of 6.00m, 1No with a maximum depth of 5.27m, both with a maximum height of 3.50m and eaves height of 3.00m
As published by the council, reference 26/0045/PNH
Application record
- Reference
- 26/0045/PNH
- Type
- Prior Notification (Householder)
- Status
- Pending Consideration
- Received
- 7 Jan 2026
- Validated
- 7 Jan 2026
- Ward
- Golders Green
- Postcode
- NW11 9UD
Site history
Applications at this address on the Barnet register
This site has had 2 applications since 2026: 1 approved, 0 refused.
-
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
Timeline
Dates from the published record
-
7 Jan 2026
Received by Barnet
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 4 March 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 46 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
KDA Designs LTD Agent, a design practice
166 applications on PlanIndex · across 17 councils · 63% 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
3 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 prior approval applications in a median of 36 days. More in our guide to how long planning decisions take.
About prior approval applications
Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
48 Highfield Avenue London NW11 9UD
Single storey rear infill extension with access steps to garden level. First floor rear extension
Granted Householder Extension 6 docsSmall domestic -
First Floor Flat 11 St Marys Road London NW11 9UE
Roof extension involving rear dormer window 1no. rear and 3no. front facing rooflights
Withdrawn Full applications Extension Loft or dormer +1 25 docs -
First Floor Flat 11 St Marys Road London NW11 9UE
63% historically approved · decision due ~25 Aug
Roof extension involving rear dormer and 1no. rear and 3no. front facing rooflights
Decided Full applications Extension Loft or dormer -
57 Woodville Road London NW11 9TS
56% historically approved · decision due ~2 Dec
2no. Single storey rear extensions with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres and depth of 3.70 metres, maximum depth of 3.00 metres and eaves height of 3.00 metres respectively.
Awaiting decision Prior approval ExtensionSmall domestic -
57 Woodville Road London NW11 9TS
56% historically approved · decision due ~25 Sep
2no. Single storey rear extensions with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres.
Decided Prior approval ExtensionSmall domestic -
36 Western Avenue London NW11 9HJ
77% historically approved · decision due ~27 Oct
Single storey rear and infill extension with new roof and 2no. rooflights and solar panels and shading. Extension of the existing shed and installation of air conditioning unit
Awaiting decision Householder Extension Loft or dormer +1 12 docsSmall domestic
Other prior approval applications
In Barnet
-
26/3835/PNH Awaiting decision
3 Devonshire Crescent London NW7 1DN
Single storey rear extension with a proposed depth of 5.00 metres, maximum height of 3.48 metres and eaves height of 3.00 metres. Following demolition of existing rear outrigger.
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26/3832/PNH Awaiting decision
48 Alverstone Avenue Barnet EN4 8EB
Single storey rear extension with a proposed depth of 4.5 metres, maximum height of 3.15 metres and eaves height of 3 metres following demolition of existing rear extension.
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26/3823/PNH Awaiting decision
7 Southbourne Crescent London NW4 2LB
Single storey rear extension added to an existing extension with the total extension measuring 6.00 metres deep, with a maximum height of 3.00 metres and an eaves height of 3.00 metres.
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26/3809/PND Awaiting decision
10 Clifford Road Barnet EN5 5PG
Demolition of existing garage
-
26/3819/PNH Awaiting decision
78 Russell Lane London N20 0AP
2no. Single storey rear extensions with a proposed depth of 7.00 metres, maximum height of 3.60 metres and eaves height of 3.00 metres. Following demolition of the existing side/rear outrigger.