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
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
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
- Pending Consideration
- Received
- 29 Apr 2026
- Validated
- 30 Apr 2026
- Ward
- Mill Hill
- Postcode
- NW7 2LY
Site history
Applications at this address on the Barnet register
This site has had 2 applications since 2026.
-
26/2151/CON Decided
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.
-
25 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 25 June 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 44 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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26/2151/CON Decided
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 · 91% 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 householder applications in a median of 56 days. More in our guide to how long planning decisions take.
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
-
7 Holmdene Avenue London NW7 2LY
79% historically approved · decision due ~5 Aug
Submission of details of condition 7 (Tree Protection) of planning permission 26/1616/HSE dated 03/06/26
Decided Trees -
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 -
10 Holmdene Avenue London NW7 2NA
95% historically approved · decision due ~17 Mar
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
Awaiting decision Conditions Extension Loft or dormer +2 5 docsSmall domestic -
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 -
3 Parkside London NW7 2LJ
95% historically approved · decision due ~1 Apr
Variation of condition 1 (Approved Plans) of planning permission reference 25/2807/FUL dated 09/10/25 for 'Demolition of the existing dwelling and erection of a new two storey dwelling with accommodation in the roofspace, internal swimming pool and associated landscaping works. Associated refuse/recycling storage.' Variation to include: External material changes from render to facing brickwork, including addition of brick detailing; Amendments to stonework; Indoor swimming pool and associated rooms replaced with formal dining area and outdoor covered seating area; Changes to external fenestration; Roof amended to a simpler form; Railing added above entrance porch; Flat rooflights amended, and additional flat rooflight to crown roof over second floor
Awaiting decision Conditions Extension Loft or dormer +2 8 docsSmall domestic
Other householder applications
In Barnet
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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