Planning application
63 Sefton Avenue London NW7 3QE
Works: Extension 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 4.00 metres and eaves height of 2.70 metres
As published by the council, reference 26/1001/PNH
Application record
- Reference
- 26/1001/PNH
- Type
- Prior Notification (Householder)
- Status
- Prior Approval Required and Refused
- Decision
- Prior Approval Required and Refused
- Received
- 16 Mar 2026
- Validated
- 16 Mar 2026
- Decided
- 20 Apr 2026
- Ward
- Edgware
- Decision by
- Delegated Decision
- Postcode
- NW7 3QE
Site history
Applications at this address on the Barnet register
This site has had 5 applications since 2026: 1 approved, 2 refused.
-
26/2326/PNH Awaiting decision
63 Sefton Avenue London NW7 3QE
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 4.00 metres and eaves height of 2.50 metres.
-
26/1690/PNH Awaiting decision
63 Sefton Avenue London NW7 3QE
Single storey rear extension with a proposed maximum depth of 6.00 metres, maximum height of 4.00 metres and an eaves height of 2.40m
-
26/0602/PNH Refused
63 Sefton Avenue London NW7 3QE
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.50 metres and eaves height of 3.00 metres
-
26/0597/192 Granted
63 Sefton Avenue London NW7 3QE
Roof extension involving hip to gable, rear dormer window, 2no. front facing rooflights and new side gable window
Timeline
Dates from the published record
-
16 Mar 2026
Received by Barnet
-
20 Apr 2026
Decision issued: Prior Approval Required and Refused
-
25 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
JPB ARCHITECTS Agent, an architecture practice
52 applications on PlanIndex · across 15 councils · 72% 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
14 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.
Trade members open them from here.
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 500 metres
-
63 Sefton Avenue London NW7 3QE
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.50 metres and eaves height of 3.00 metres
Refused Prior approval Extension 13 docsSmall domestic -
63 Sefton Avenue London NW7 3QE
58% historically approved · decision due ~1 Jul
Single storey rear extension with a proposed maximum depth of 6.00 metres, maximum height of 4.00 metres and an eaves height of 2.40m
Awaiting decision Prior approval Extension 10 docsSmall domestic -
63 Sefton Avenue London NW7 3QE
Roof extension involving hip to gable, rear dormer window, 2no. front facing rooflights and new side gable window
Granted Lawful development Extension Loft or dormer +1 11 docs -
63 Sefton Avenue London NW7 3QE
58% historically approved · decision due ~14 Aug
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 4.00 metres and eaves height of 2.50 metres.
Awaiting decision Prior approval Extension 11 docsSmall domestic -
36 Delamere Gardens London NW7 3EB
77% historically approved · decision due ~3 Nov
Single storey side/rear extension with 2no. rooflights
Awaiting decision Householder Extension Loft or dormer 14 docsSmall domestic -
3 Delamere Gardens London NW7 3EA
77% historically approved · decision due ~24 Sep
Single storey front extension incorporating a front porch, raising existing side extension floor level to match main house level, new roof with increased height to the side extension and 2no. rooflights, single storey rear extension with 4no. rooflights with new patio area, access steps to garden and hard and soft landscaping. Changes to fenestration: replacement of existing windows
Awaiting decision Householder Extension Loft or dormer +2Small domestic
Other prior approval applications
In Barnet
-
26/3407/PNH Awaiting decision
12 Ingleway London N12 0QJ
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 2.75 metres and eaves height of 2.75 metres, following demolition of the existing conservatory.
-
26/3322/PNH Awaiting decision
35 Aldridge Avenue Edgware HA8 8TA
Single storey rear extension with a proposed depth of 6 metres, maximum height of 3 metres and eaves height of 3 metres.
-
26/3337/PNH Awaiting decision
103 Brunswick Park Road London N11 1JT
Single storey rear extension with a proposed depth of 6 metres, maximum height of 4 metres and eaves height of 3 metres. Following demolition of the existing garage.
-
26/3320/PNH Awaiting decision
31 Woodlands London NW11 9QJ
2no. single-storey rear extensions with a proposed depth of 6 metres, maximum height of 4 metres and eaves height of 3 metres, following demolition of the existing rear extension and patio. (Amended description)
-
26/3303/PNH Awaiting decision
95 Bittacy Rise London NW7 2HH
Single storey rear extension with a proposed depth of 4.00 metres, maximum height of 4.00 metres and eaves height of 3.00 metres. Following demolition of the existing rear extension.