Planning application
52 Harcourt Avenue Edgware HA8 8YN
Works: Extension Demolition Small domestic
Read from the description, not a valuation. How we read the register
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 2.82 metres, following demolition of the existing garage.
As published by the council, reference 25/5147/PNH
Application record
- Reference
- 25/5147/PNH
- Type
- Prior Notification (Householder)
- Status
- Prior Approval Required and Refused
- Decision
- Refused As published: Prior Approval Required and Refused
- Received
- 22 Dec 2025
- Validated
- 9 Jan 2026
- Decided
- 13 Feb 2026
- Ward
- Edgwarebury
- Decision by
- Delegated Decision
- Postcode
- HA8 8YN
Site history
Applications at this address on the Barnet register
This site has had 3 applications since 2025: 0 approved, 2 refused.
-
26/2665/PNH Decided
52 Harcourt Avenue Edgware HA8 8YN
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 2.82 metres, following demolition of the existing garage.
-
25/5148/192 Refused
52 Harcourt Avenue Edgware HA8 8YN
Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no. front facing rooflights. New front porch. Erection of a rear outbuilding following demolition of existing garage. (amended)
Timeline
Dates from the published record
-
22 Dec 2025
Received by Barnet
-
9 Jan 2026
Validated
Checked as complete and ready for consideration.
-
13 Feb 2026
Decision issued: Prior Approval Required and Refused
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
AH ARCHITECTURE Agent, an architecture practice
106 applications on PlanIndex · across 16 councils · 60% 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
4 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.
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Open the documentsWhat this refusal means
Barnet refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.
About prior approval applications
Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
52 Harcourt Avenue Edgware HA8 8YN
Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no. front facing rooflights. New front porch. Erection of a rear outbuilding following demolition of existing garage. (amended)
Refused Lawful development Extension Loft or dormer +2 4 docsSmall domestic -
52 Harcourt Avenue Edgware HA8 8YN
56% historically approved · decision due ~10 Sep
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 2.82 metres, following demolition of the existing garage.
Decided Prior approval Extension DemolitionSmall domestic -
2 Fairmead Crescent Edgware HA8 8YQ
Conversion of property into 2no. dwellinghouses including: Single storey front, side and rear extensions: Associated alterations and extension to roof extension including insertion of roof lights on the front, and side elevations and two rear dormers: Provision of amenity space, off-street parking, cycle storage and refuse/recycling store following demolition of existing garage
Refused Full applications Extension Loft or dormer +1 9 docsSeveral homes -
151 Fairmead Crescent Edgware HA8 8YS
Roof extension involving hip to gable, rear dormer, 3no. front facing rooflights and new side gable window. Demolition of chimney stack.
Granted Lawful development Extension Loft or dormer +2 19 docs -
130A Fairmead Crescent Edgware HA8 8YP
63% historically approved · decision due ~30 Oct
Reduction in size and retention of existing outbuilding for ancillary use
Awaiting decision Full applications -
6A Maytree Close Edgware HA8 8XX
80% historically approved · decision due ~13 Feb
Single storey rear extension
Awaiting decision Lawful development Extension 11 docsSmall domestic
Other prior approval applications
In Barnet
-
26/3823/PNH Awaiting decision
7 Southbourne Crescent London NW4 2LB
Single storey rear extension added to an existing extension with the total extension measuring 6.00 metres deep, with a maximum height of 3.00 metres and an eaves height of 3.00 metres.
-
26/3809/PND Awaiting decision
10 Clifford Road Barnet EN5 5PG
Demolition of existing garage and attached pitched-roof structure
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26/3819/PNH Awaiting decision
78 Russell Lane London N20 0AP
2no. Single storey rear extensions with a proposed depth of 7.00 metres, maximum height of 3.60 metres and eaves height of 3.00 metres. Following demolition of the existing side/rear outrigger.
-
26/3787/PNH Awaiting decision
8 Wessex Gardens London NW11 9RT
2no. single-storey rear extensions with a proposed depth of 6.00 metres, a maximum height of 4.00 metres and an eaves height of 3.00 metres, following the demolition of the existing rear bay window.
-
26/3696/PNH Awaiting decision
14 Langford Road Barnet EN4 9DS
Single storey rear extension with a proposed depth of 5 metres, maximum height of 3.97 metres and eaves height of 2.6 metres