Planning application
40 Holne Chase London N2 0QQ
Works: Extension Loft or dormer Windows or glazing 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
Replacement of existing windows and doors on north and west elevations and front elevation outrigger window with double glazing. Changes to fenestration on front, side and rear elevations. Roof extension including 2no. rear dormer windows following the removal of the existing rear dormer window and rear facing rooflights. Installation of CCTV on front, side and rear elevations, and air conditioning unit with enclosure in rear garden. New side gate and hedge
As published by the council, reference 26/0647/HSE
Application record
- Reference
- 26/0647/HSE
- Type
- Householder Application
- Status
- Pending Consideration
- Received
- 19 Feb 2026
- Validated
- 20 Feb 2026
- Ward
- Garden Suburb
- Postcode
- N2 0QQ
Site history
Applications at this address on the Barnet register
This site has had 2 applications since 2025.
-
25/4885/HSE Withdrawn
40 Holne Chase London N2 0QQ
Excavation of new basement. Alterations and extension to roof including addition of 2no. rear dormer windows to replace existing dormer window and removal of rooflights. Alterations to windows and doors including new double glazing. Enlargement of select, existing ground floor North, East and West elevation windows. Installation of new air-con unit and enclosure to rear garden. New side gate and hedge. Internal Alterations
Timeline
Dates from the published record
-
19 Feb 2026
Received by Barnet
-
20 Feb 2026
Validated
Checked as complete and ready for consideration.
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 17 April 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 43 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Agent on file, an architecture practice registered in London
27 applications on PlanIndex · across 3 councils
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
37 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 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 500 metres
-
40 Holne Chase London N2 0QQ
Excavation of new basement. Alterations and extension to roof including addition of 2no. rear dormer windows to replace existing dormer window and removal of rooflights. Alterations to windows and doors including new double glazing. Enlargement of select, existing ground floor North, East and West elevation windows. Installation of new air-con unit and enclosure to rear garden. New side gate and hedge. Internal Alterations
Withdrawn Householder Extension Loft or dormer +1 32 docsDomestic -
-
66 Kingsley Way London N2 0EW
86% historically approved · decision due ~18 Jun
1 x Plum - Fell.- (5 day notice) (amended description)
Awaiting decision Trees 4 docs -
-
35 Holne Chase London N2 0QL
71% historically approved · decision due ~7 Jul
Non-material amendments to planning permission reference 24/5480/HSE dated 11/02/25 for 'Conversion of the garage to habitable use, restoring the original 4 leaf vertical panelled doors; Enlarge the ground floor front window as a three light design with lower sills. Single storey rear extension under a flat lead roof with new French doors and side windows with lower sills. Insertion of a French door in the centre of the rear bay window with lower sills to the ground floor windows. Retention of the side hipped roof on the South East side with the unstable chimney stack rebuilt with a narrower lead roof side extension to the rear. Restoration of the retained dormer windows with arched lead roofs. Addition of a low skylight in the flat crown roof concealed by the surrounding ridge tiles. Minor adjustments to the fenestration on the North west Elevation with redundant external drainage pipework removed.' Amendments include, Rebuilding the rear bay; Adjustments to the fenestration on the side elevations; Replacement of the tiling with lead cheeks and roofs of the dormer windows; Replacement soil vent pipes, rainwater downpipes, gutters and fittings; Developed garden layout with bin store, shed, enclosed A/C condenser, pergola, external kitchen
Awaiting decision Amendments Extension Loft or dormer +1 4 docsSmall domestic -
30 Linden Lea London N2 0RG
77% historically approved · decision due ~17 Aug
Conversion of existing garage into habitable space; Replacement of existing timber garage doors with new timber garage doors with double glazed fanlight. Changes to fenestration: replacement of existing front door; rear extension windows and french doors to be replaced with crittal style double glazed windows and french doors; All other existing house windows and French doors to be replaced with crittal style double glazed windows and french doors; Partially infill side door opening to form new window opening with crittal style double glazed window; Relocate existing side scullery door to infill existing inset porch. Repaving of rear patio and adding cctv cameras and external lights to the front, side and rear elevations
Awaiting decision Householder Extension Windows or glazingSmall domestic
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Single storey side/rear extension with 3no. rooflights following demolition of the existing storage/utility structure. Changes to fenestration
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26/3219/HSE Awaiting decision
53 Tudor Road Barnet EN5 5NW
First floor rear extension with front and rear rooflights. Roof extension over existing garage
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26/3210/HSE Awaiting decision
47 Pattison Road London NW2 2HL
New front vehicular access to provide off-street parking. Removal of existing gate and shed, alterations to the existing front boundary wall and installation of close board fencing panels.