Planning application
57 Myddelton Park London N20 0JJ
Works: Extension Loft or dormer 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
Single storey front extension to the existing garage and conversion into habitable room, insertion of window to replace existing garage door. Single storey rear extension Conversion of the roof terrace above the existing two storey rear extension into a balcony. Roof extension including hip to gable, rear dormer window and 5no. front facing rooflights
As published by the council, reference 25/5181/HSE
Application record
- Reference
- 25/5181/HSE
- Type
- Householder Application
- Status
- Pending Consideration
- Received
- 29 Dec 2025
- Validated
- 29 Dec 2025
- Ward
- Whetstone
- Postcode
- N20 0JJ
Timeline
Dates from the published record
-
29 Dec 2025
Received by Barnet
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 23 February 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.
Documents
Plans, drawings, consultee responses and the officer's report
11 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 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.
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15 Church Crescent London N20 0JR
First floor front extension
Withdrawn Householder Extension 6 docsDomestic -
37 Church Way London N20 0JZ
Infill single storey side extension with mono pitched roof. Part single, part two storey, first floor rear extension with pitched roof following the reduction in depth of the existing rear extension. Roof extension including formation of set-down crown roof with 2no. rear dormer windows and 1no. front facing rooflight. Change to ground level facade and existing rear extension from render to brick finish. Changes to fenestration; reduction of window size to front elevation, new windows to side elevations.
Refused Householder Extension Loft or dormer +1 7 docsSmall domestic -
38 Queens Avenue London N20 0JD
77% historically approved · decision due ~14 Oct
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Decided Householder Extension Loft or dormer +1Small domestic
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
-
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
-
26/3815/HSE Awaiting decision
17 Hurstwood Road London NW11 0AS
Single storey rear extension
-
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.
-
26/3791/HSE Awaiting decision
149 Montrose Avenue Edgware HA8 0DZ
New front hardstanding and vechicular access to provide off-street parking