Planning application
10 Holmdene Avenue London NW7 2NA
Works: Extension Loft or dormer Roofing Windows or glazing 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
Variation of condition 1 (Approved plans) of planning permission 25/2451/HSE dated 11/08/2025 for 'Single storey rear extension with 2no. rooflights and new patio area and access steps to garden. Conversion of existing garage into habitable space including increasing the roof ridge height, insertion of window to replace the garage door. Front porch extension. Increasing roof height of the existing study at the rear' Variation to include increasing the depth of proposed rear extension
As published by the council, reference 26/0205/S73
Application record
- Reference
- 26/0205/S73
- Type
- Vary/Remove condition/Minor Mtl Amnd
- Status
- Pending Consideration
- Received
- 20 Jan 2026
- Validated
- 20 Jan 2026
- Ward
- Mill Hill
- Postcode
- NW7 2NA
Site history
Applications at this address on the Barnet register
This site has had 2 applications since 2026.
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26/3236/S73 Awaiting decision
10 Holmdene Avenue London NW7 2NA
Variation of condition 1 (Approved Plans) of planning permission reference 26/0205/S73 (variation of 25/2451/HSE) dated 17/03/26 for 'Single storey rear extension with 2no. rooflights and new patio area and access steps to garden. Conversion of existing garage into habitable space including increasing the roof ridge height, insertion of window to replace the garage door. Front porch extension. Increasing roof height of the existing study at the rear'. Variation to include a 1.25m extension to the approved front porch, increasing the height of the dummy pitched roof of the garage and lowering the patio with new steps
Timeline
Dates from the published record
-
20 Jan 2026
Received by Barnet
-
10 Aug 2026
Added to PlanIndex
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Decision
Awaiting decision
Decision expected by 17 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.
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
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26/3236/S73 Awaiting decision
10 Holmdene Avenue London NW7 2NA
Variation of condition 1 (Approved Plans) of planning permission reference 26/0205/S73 (variation of 25/2451/HSE) dated 17/03/26 for 'Single storey rear extension with 2no. rooflights and new patio area and access steps to garden. Conversion of existing garage into habitable space including increasing the roof ridge height, insertion of window to replace the garage door. Front porch extension. Increasing roof height of the existing study at the rear'. Variation to include a 1.25m extension to the approved front porch, increasing the height of the dummy pitched roof of the garage and lowering the patio with new steps
Who's behind it
Company information only, from the register and Companies House
Natalie Leiwy Architects Agent, an architecture practice registered in Edgware
Active · incorporated 2012 · Edgware
17 applications on PlanIndex · across 4 councils · 100% 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
5 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 condition discharge and variation applications in a median of 43 days. More in our guide to how long planning decisions take.
About condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
10 Holmdene Avenue London NW7 2NA
79% historically approved · decision due ~30 Oct
Variation of condition 1 (Approved Plans) of planning permission reference 26/0205/S73 (variation of 25/2451/HSE) dated 17/03/26 for 'Single storey rear extension with 2no. rooflights and new patio area and access steps to garden. Conversion of existing garage into habitable space including increasing the roof ridge height, insertion of window to replace the garage door. Front porch extension. Increasing roof height of the existing study at the rear'. Variation to include a 1.25m extension to the approved front porch, increasing the height of the dummy pitched roof of the garage and lowering the patio with new steps
Awaiting decision Extension Loft or dormer +2Small domestic -
7 Holmdene Avenue London NW7 2LY
Submission of details of condition 7 (Tree Protection) of planning permission 26/1616/HSE dated 03/06/26
Granted Conditions Trees 4 docs -
11 Holmdene Avenue London NW7 2LY
Raising of height of existing side projection, alterations to roof form involving crown roof and side, front and rear dormer windows. Two storey rear extension. Conversion of the existing garage into habitable room (AMENDED DESCRIPTION)
Granted Householder Extension Loft or dormer +1 7 docsDomestic -
7 Holmdene Avenue London NW7 2LY
Alterations and extension to roof to create new crown roof including raising of the existing ridge height, installation of rear and side dormer windows and insertion of rooflights to the front roofslope and flat roof areas. Conversion of existing garage into habitable space involving new walls and flat roof. Single-storey rear extension and alterations to rear patio. Alterations to fenestration including new and amended window openings
Granted Householder Extension Loft or dormer +2 9 docsSmall domestic -
43 Glenmere Avenue London NW7 2LT
Single storey side and rear extension following demolition of the existing rear extension and timber shed
Granted Householder Extension Demolition 9 docsSmall domestic -
43 Glenmere Avenue London NW7 2LT
Roof extension involving hip to gable, rear dormer window with 3no. front facing rooflights and changes to first floor fenestration
Granted Lawful development Extension Loft or dormer +1 3 docs
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Submission pursuant to Condition 49.1 (Early Works) of planning permission F/04687/13 dated 23/07/2014 for the comprehensive redevelopment of the Brent Cross Cricklewood Regeneration Area. Early works proposed comprise site clearance, earthworks, removal of spoil, utility diversions and abandonments, and the construction of temporary accesses in preparation for the commencement of development of land at, and within the vicinity of Plot 11 within the Phase 1C sub-phase.