Planning application
37 Sunbury Avenue London NW7 3SL
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
Two storey side extension including conversion of the existing garage into habitable room, insertion of window to replace the garage door. Roof extension involving hip to gable to rear with rear juliette balcony, and 1no. side dormer window on either side. Removal of the existing chimney stack
As published by the council, reference 26/2310/HSE
Application record
- Reference
- 26/2310/HSE
- Type
- Householder Application
- Status
- Pending Consideration
- Received
- 18 Jun 2026
- Validated
- 19 Jun 2026
- Ward
- Edgware
- Postcode
- NW7 3SL
Site history
Applications at this address on the Barnet register
This site has had 2 applications since 2026: 1 approved, 0 refused.
-
26/1422/192 Granted
37 Sunbury Avenue London NW7 3SL
Roof extension involving hip to gable to rear with rear juliette balcony, and 1no. side dormer window on either side. Removal of the existing chimney stack [Amended Description]
Timeline
Dates from the published record
-
18 Jun 2026
Received by Barnet
-
19 Jun 2026
Validated
Checked as complete and ready for consideration.
-
25 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 14 August 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 45 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
John Perrin & Sons Ltd Agent, registered in Enfield
Active · incorporated 2013 · Enfield
135 applications on PlanIndex · across 8 councils · 89% 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
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.
Nearby applications
Within 0.3 miles
-
37 Sunbury Avenue London NW7 3SL
Roof extension involving hip to gable to rear with rear juliette balcony, and 1no. side dormer window on either side. Removal of the existing chimney stack [Amended Description]
Granted Lawful development Extension Loft or dormer +1 10 docs -
34 Selvage Lane London NW7 3SP
78% historically approved · decision due ~5 Oct
Single storey rear infill extension
Awaiting decision ExtensionSmall domestic -
34 Selvage Lane London NW7 3SP
56% historically approved · decision due ~29 Oct
Single storey rear extension with a proposed depth of 3.80 metres, maximum height of 3.00 metres and eaves height of 2.75 metres, following partial demolition of existing side manifestation.
Decided Prior approval Extension DemolitionSmall domestic -
8 Sunbury Avenue London NW7 3SJ
77% historically approved · decision due ~12 Mar
Conversion of the existing garage into habitable room, insertion of window to replace garage door. Increase of pitched roof to rear elevation. Changes to side and rear fenestration
Awaiting decision Householder Windows or glazing 4 docsDomestic -
23 Selvage Lane London NW7 3SS
77% historically approved · decision due ~14 Dec
Replacement of existing flat roof with new pitched roof including raising eaves height to the existing outbuilding
Withdrawn HouseholderSmall domestic -
21 Selvage Lane London NW7 3SS
77% historically approved · decision due ~29 Dec
Single storey front porch extension with pitched roof
Awaiting decision Householder ExtensionSmall domestic
Other householder applications
In Barnet
-
26/3476/HSE Granted
116 Chase Way London N14 5DH
Single storey rear extension with 2no. rooflights. Changes to fenestration; new doors, 3no. new windows to rear elevation
-
26/4019/HSE Awaiting decision
38 Asmuns Hill London NW11 6ET
Replacement of windows with vacuum-glazed windows (excluding subframes) and new french doors to rear
-
26/4023/HSE Awaiting decision
61 Bullescroft Road Edgware HA8 8RN
Single storey front, side and rear wraparound extension incorporating porch following conversion of the existing garage, including window to replace garage door
-
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
-
26/4012/HSE Awaiting decision
59 Hendon Way London NW2 2LX
Two storey side and rear extension. New front porch