Planning application
14 Holly Park London N3 3JD
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Erection of a rear outbuilding to be used as granny annexe
As published by the council, reference 26/3353/HSE
Application record
- Reference
- 26/3353/HSE
- Category
- Householder
- Status
- Pending Consideration
- Received
- 14 Sep 2026
- Validated
- 15 Sep 2026
- Postcode
- N3 3JD
Site history
Applications at this address on the Barnet register
This site has had 2 applications since 2026.
-
26/3352/192 Awaiting decision
14 Holly Park London N3 3JD
Use of the land for siting a mobile home for use ancillary to the main dwelling
Timeline
Dates from the published record
-
14 Sep 2026
Received by Barnet
-
15 Sep 2026
Validated
Checked as complete and ready for consideration.
-
15 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 10 November 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.
What 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
-
14 Holly Park London N3 3JD
78% historically approved · decision due ~10 Nov
Use of the land for siting a mobile home for use ancillary to the main dwelling
Awaiting decisionDomestic -
25 Beechwood Avenue London N3 3AU
77% historically approved · decision due ~30 Oct
Single storey side extension. Part single, part two storey rear extension. Creation of new rear patio and steps to garden
Decided Householder ExtensionSmall domestic -
7 - 9 Holly Park Gardens London N3 3NG
Submission of details of condition 4 (Materials) pursuant to planning permission 19/5642/FUL dated 17/12/2019
Granted Conditions 12 docs -
73A Stanhope Avenue London N3 3LY
63% historically approved · decision due ~6 Jul
Roof extension involving rear dormer window and 3no. front facing rooflights. Removal of existing chimney stack. New side windows
Awaiting decision Full applications Extension Loft or dormer +1 5 docs -
40 Beechwood Avenue London N3 3AX
Two storey side extension, single storey rear extension
Withdrawn Householder ExtensionSmall domestic -
Rear Of 37 Beechwood Avenue London N3 3BB
Demolition of existing garage. Erection of a two storey dwelling with rooms in the roofspace. Associated hard and soft landscaping, refuse/recycling and cycle store, amenity space and parking (AMENDED DESCRIPTION)
Refused Full applications Demolition 25 docsDomestic
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