Planning application
48 And 50 Longfield Avenue London NW7 2EG
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
Two storey side extension to both properties. Single storey rear extension to No. 48. Relocation of entrance door to No.50 to front elevation including new porch
As published by the council, reference 25/3945/FUL
Application record
- Reference
- 25/3945/FUL
- Type
- Full Application
- Status
- Pending Consideration
- Received
- 29 Sep 2025
- Validated
- 29 Sep 2025
- Ward
- Mill Hill
- Postcode
- NW7 2EG
Site history
Applications at this address on the Barnet register
This site has had 2 applications since 2025.
-
25/4455/FUL Awaiting decision
48 And 50 Longfield Avenue London NW7 2EG
Two storey side extension to both properties. Single storey rear extension to No. 48. Relocation of entrance door to No.50 to front elevation including new porch
Timeline
Dates from the published record
-
29 Sep 2025
Received by Barnet
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 24 November 2025, 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
Rostam Architects Agent, an architecture practice registered in London
Active · incorporated 2023 · London
3 applications on PlanIndex · across 2 councils
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
17 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 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 full applications in a median of 56 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
48 Longfield Avenue London NW7 2EG
Roof extension involving rear dormer window and new side gable window
Withdrawn Lawful development Extension Loft or dormer +1 15 docs -
48 And 50 Longfield Avenue London NW7 2EG
63% historically approved · decision due ~9 Jan
Two storey side extension to both properties. Single storey rear extension to No. 48. Relocation of entrance door to No.50 to front elevation including new porch
Awaiting decision Full applications Extension 18 docsSmall domestic -
44 Longfield Avenue London NW7 2EG
Roof extension involving rear dormer window, 1no side and 2no front facing rooflight. Single storey rear extension. (amended description)
Granted Householder Extension Loft or dormer +1 15 docsSmall domestic -
Land To The Rear Of 39-44 Rowlands Close London NW7 2DN
2 x Oak (applicants ref. T1, T2) - Reduce branches overhanging 14 Fakenham Close by 2.5 metres. Standing in Group G1 of Tree Preservation Order.
Granted Trees 6 docs -
24 Longfield Avenue London NW7 2EG
56% historically approved · decision due ~16 Oct
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 2.81 metres and eaves height of 2.81 metres. Following demolition of the existing rear extension and outbuilding.
Awaiting decision Prior approval Extension DemolitionSmall domestic -
Small domestic
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26/3829/FUL Awaiting decision
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26/3821/FUL Awaiting decision
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26/3794/FUL Awaiting decision
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Change of use of the property from a single family dwelling (Class C3) to a House in Multiple Occupation (HMO) (Sui generis) for up to 7 people. Associated refuse/recycling and cycle storage