Planning application
88 Princes Park Avenue London NW11 0JX
Works: Extension Loft or dormer Demolition 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
Part single, part two storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving two rear dormer windows
As published by the council, reference 26/1529/HSE
Application record
- Reference
- 26/1529/HSE
- Type
- Householder Application
- Status
- Pending Consideration
- Received
- 24 Apr 2026
- Validated
- 24 Apr 2026
- Ward
- Golders Green
- Postcode
- NW11 0JX
Site history
Applications at this address on the Barnet register
This site has had 5 applications since 2025: 0 approved, 2 refused.
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26/3648/HSE Awaiting decision
88 Princes Park Avenue London NW11 0JX
Part single, part two storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving 2no. rear dormer windows, 2no. side dormer windows and 2no. front facing rooflights, 4no. side facing rooflights and 2no. rooflights to flat roof
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26/0661/HSE Refused
88 Princes Park Avenue London NW11 0JX
Part single, part two storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving two side dormer windows on either side of the roof slope and two rear dormers
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26/0637/HSE Refused
88 Princes Park Avenue London NW11 0JX
Part single, part two-storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving two side dormer windows on either side of the roof slope and two rear dormers with juliette balconies
-
25/4992/PNH Awaiting decision
88 Princes Park Avenue London NW11 0JX
2no. Single storey rear extensions with a proposed depth of 8.00 metres, maximum height of 4.00 metres and eaves height of 3.00 metres, following the demolition of the existing two storey rear extension and rear conservatory
Timeline
Dates from the published record
-
24 Apr 2026
Received by Barnet
-
25 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 19 June 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
Dimensions- Planning&Architecture Agent, an architecture practice
281 applications on PlanIndex · across 21 councils · 68% 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
8 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
-
88 Princes Park Avenue London NW11 0JX
Part single, part two storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving two side dormer windows on either side of the roof slope and two rear dormers
Refused Householder Extension Loft or dormer +2 9 docsSmall domestic -
88 Princes Park Avenue London NW11 0JX
Part single, part two-storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving two side dormer windows on either side of the roof slope and two rear dormers with juliette balconies
Refused Householder Extension Loft or dormer +2 9 docsSmall domestic -
88 Princes Park Avenue London NW11 0JX
56% historically approved · decision due ~11 Feb
2no. Single storey rear extensions with a proposed depth of 8.00 metres, maximum height of 4.00 metres and eaves height of 3.00 metres, following the demolition of the existing two storey rear extension and rear conservatory
Awaiting decision Prior approval Extension Demolition 3 docsSmall domestic -
88 Princes Park Avenue London NW11 0JX
77% historically approved · decision due ~3 Dec
Part single, part two storey side and rear extension following demolition of the existing conservatory. Mansard roof extension involving 2no. rear dormer windows, 2no. side dormer windows and 2no. front facing rooflights, 4no. side facing rooflights and 2no. rooflights to flat roof
Awaiting decision Householder Extension Loft or dormer +2Small domestic -
92 Princes Park Avenue London NW11 0JX
77% historically approved · decision due ~1 Apr
Part single, part two storey side and rear extensions with 3no. rooflights. Partial conversion of the existing garage. Alterations to front bay windows and introduction of new front bay windows. New front entrance including new roof canopy and columns with associated ramp. Alterations to existing fenestration. New side windows. Roof alteration and extension including roof lights, and side and rear dormer windows. Installation of solar panels. Installation of Air conditioning and air source heat pump external units to side elevations
Awaiting decision Householder Extension Loft or dormer +2 26 docsDomestic -
12 Park Way London NW11 0EX
2no. single storey rear extensions with a proposed depth of 8.00m, maximum height of 3.30m and eaves height of 3.00m
Refused Prior approval Extension 19 docsSmall domestic
Other householder applications
In Barnet
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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
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26/4012/HSE Awaiting decision
59 Hendon Way London NW2 2LX
Two storey side and rear extension. New front porch