Planning application
48 Highfield Avenue London NW11 9UD
Works: Extension 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
Single storey rear infill extension with access steps to garden level. First floor rear extension
As published by the council, reference 26/0856/HSE
Application record
- Reference
- 26/0856/HSE
- Type
- Householder Application
- Status
- Approved subject to conditions
- Decision
- Approve subject to conditions
- Received
- 6 Mar 2026
- Validated
- 16 Mar 2026
- Decided
- 11 May 2026
- Ward
- Golders Green
- Decision by
- Delegated Decision
- 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.
-
26/0045/PNH Awaiting decision
48 Highfield Avenue London NW11 9UD
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
Timeline
Dates from the published record
-
6 Mar 2026
Received by Barnet
-
16 Mar 2026
Validated
Checked as complete and ready for consideration.
-
11 May 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
KDA Designs LTD Agent, a design practice
150 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
6 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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Barnet granted permission on 11 May 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 500 metres
-
48 Highfield Avenue London NW11 9UD
58% historically approved · decision due ~4 Mar
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
Awaiting decision Prior approval Extension 3 docsSmall domestic -
First Floor Flat 11 St Marys Road London NW11 9UE
61% historically approved · decision due ~8 Jul
Roof extension involving rear dormer window 1no. rear and 3no. front facing rooflights
Awaiting decision Full applications Extension Loft or dormer +1 8 docs -
First Floor Flat 11 St Marys Road London NW11 9UE
61% historically approved · decision due ~25 Aug
Roof extension involving rear dormer and 1no. rear and 3no. front facing rooflights
Awaiting decision Full applications Extension Loft or dormer -
57 Woodville Road London NW11 9TS
58% 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 -
17 Western Avenue London NW11 9HE
Part single, part two storey rear and single storey side extensions. Roof extension with side/rear wraparound dormers with 4no. front facing rooflights and new side gable window
Granted Householder Extension Loft or dormer +1 17 docsSmall domestic
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
-
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