Planning application
41 Lewes Road London N12 9NH
Works: Extension Loft or dormer 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
Roof extension involving hip to gable, rear dormer window, juliette balcony with 2no. front facing rooflghts. New side gable window. Single storey rear extension with 2no. rooflights
As published by the council, reference 25/4358/HSE
Application record
- Reference
- 25/4358/HSE
- Type
- Householder Application
- Status
- Approved subject to conditions
- Decision
- Granted As published: Approve subject to conditions
- Received
- 31 Oct 2025
- Validated
- 31 Oct 2025
- Decided
- 9 Dec 2025
- Ward
- Woodhouse
- Decision by
- Delegated Decision
- Postcode
- N12 9NH
Timeline
Dates from the published record
-
31 Oct 2025
Received by Barnet
-
9 Dec 2025
Decision issued: Approve subject to conditions
-
10 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
16 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Barnet granted permission on 9 December 2025, 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
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56 Bramber Road London N12 9NE
Single story side and rear extension. Single storey rear conservatory and front porch
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Single storey rear extension following demolition of the existing extension. Conversion of the existing garage into habitable room, insertion of window to replace garage door. Changes to ground floor fenestration
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61 Petworth Road London N12 9HE
80% historically approved · decision due ~13 Aug
Roof extension involving rear dormer window with juliette balcony, 2no. front facing rooflights and new side gable window. Erection of a rear outbuilding following removal of existing
Awaiting decision Lawful development Extension Loft or dormer +1 5 docs -
61 Petworth Road London N12 9HE
Single storey rear extension with a proposed depth of 6.00m, maximum height of 4.00m and an eaves height of 3.00m
Decided Prior approval ExtensionSmall domestic -
61 Petworth Road London N12 9HE
56% historically approved · decision due ~27 Oct
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 4.00 metres and eaves height of 3.00 metres. Following demolition of the existing temporary garden storage.
Decided Prior approval Extension DemolitionSmall domestic -
58 Lewes Road London N12 9NL
Two storey side extension following demolition of existing garage. Roof extension involving hip to gable, rear dormer window and 2no. front facing rooflights.
Granted Householder Extension Loft or dormer +2 14 docsDomestic
Other householder applications
In Barnet
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26/3827/HSE Awaiting decision
43 Hermitage Lane London NW2 2HE
Single storey rear extension with 3no. rooflights following demolition of the existing conservatory. Replacement front bay window and entrance porch. First floor rear juliette balcony. Changes to fenestration including new window openings and enlarged front rooflight
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26/3833/HSE Awaiting decision
47 Holne Chase London N2 0QG
Single storey rear extension. Replacement of single glazed windows with double glazing. Alterations to side/rear fenestration. Alterations and replacement of existing rear dormer window addition of 2no. side dormer windows and 3no. rooflights. Installation of cameras and wall lights. Replacement of the front entrance and garage doors, installation of timber side garden gates
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26/3815/HSE Awaiting decision
17 Hurstwood Road London NW11 0AS
Single storey rear extension
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26/3800/HSE Awaiting decision
29 Monks Avenue Barnet EN5 1BZ
Single storey side and rear infill extension including new front porch following demolition of the side/rear storage.
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26/3791/HSE Awaiting decision
149 Montrose Avenue Edgware HA8 0DZ
New front hardstanding and vechicular access to provide off-street parking