Planning application
7 Holmdene Avenue London NW7 2LY
Works: Extension Loft or dormer Roofing Windows or glazing 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
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
As published by the council, reference 26/1616/HSE
Application record
- Reference
- 26/1616/HSE
- Type
- Householder Application
- Status
- Approved subject to conditions
- Decision
- Granted As published: Approve subject to conditions
- Received
- 29 Apr 2026
- Validated
- 30 Apr 2026
- Decided
- 3 Jun 2026
- Ward
- Mill Hill
- Decision by
- Delegated Decision
- Postcode
- NW7 2LY
Site history
Applications at this address on the Barnet register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
26/2151/CON Granted
7 Holmdene Avenue London NW7 2LY
Submission of details of condition 7 (Tree Protection) of planning permission 26/1616/HSE dated 03/06/26
Timeline
Dates from the published record
-
29 Apr 2026
Received by Barnet
-
30 Apr 2026
Validated
Checked as complete and ready for consideration.
-
3 Jun 2026
Decision issued: Approve subject to conditions
-
25 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
26/2151/CON Granted
7 Holmdene Avenue London NW7 2LY
Submission of details of condition 7 (Tree Protection) of planning permission 26/1616/HSE dated 03/06/26
Who's behind it
Company information only, from the register and Companies House
Hark Architecture Ltd Agent, an architecture practice registered in London
Active · incorporated 2021 · London
17 applications on PlanIndex · across 4 councils · 92% 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
9 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 this grant of permission means
Barnet granted permission on 3 June 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 0.3 miles
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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 -
109 Wise Lane London NW7 2BD
Demolition of the existing dwelling and erection of a two storey plus basement level dwelling. Associated landscaping
Granted Full applications Demolition 27 docsDomestic -
105 Wise Lane London NW7 2BD
78% historically approved · decision due ~30 Nov
1 x Yew (applicants ref. T1) - Reduce height by 2m and trim round to neaten by 1m. Leaving the tree a standing height of 6m. Standing in Area A15 of Tree Preservation Order.
Awaiting decision Trees -
105 Wise Lane London NW7 2BD
78% historically approved · decision due ~30 Nov
1 x Beech (applicants ref. T2) - Reduce height by 2m and bring lateral growth to shape by 1.5m. Remove all major dead wood. Leave tree a standing height of 7m. Standing in Group G1 of Tree Preservation Order.
Awaiting decision Trees -
109 Wise Lane London NW7 2BD
78% historically approved · decision due ~16 Nov
1 x Ash (applicants ref. T7) - Thin crown density by 20% and reduce extraneous growth by 2.5m over the whole crown, leaving a flowing crown shape with shortened furnishing growth. Standing in T1 of Tree Preservation Order.
Awaiting decision Trees
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26/3476/HSE Granted
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Single storey rear extension with 2no. rooflights. Changes to fenestration; new doors, 3no. new windows to rear elevation
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26/4019/HSE Awaiting decision
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Replacement of windows with vacuum-glazed windows (excluding subframes) and new french doors to rear
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26/4023/HSE Awaiting decision
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Single storey front, side and rear wraparound extension incorporating porch following conversion of the existing garage, including window to replace garage door
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26/4015/HSE Awaiting decision
6 Raeburn Close London NW11 6UG
Alterations to the rear ground floor elevation, including replacement of the existing door and two windows with timber framed French doors and windows. Replacement of existing single glazed windows with new double glazed timber windows. Replacement of the existing rear patio doors with double glazed timber doors. Formation of a new rear patio. Addition of new bin storage at front
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26/4012/HSE Awaiting decision
59 Hendon Way London NW2 2LX
Two storey side and rear extension. New front porch