Planning application
30 Summerlee Avenue London N2 9QP
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 maximum proposed depth of 4.05m, maximum height of 3.33m and an eaves height of 3.33m (height of lowered section 3.08m)
As published by the council, reference 26/1799/PNH
Application record
- Reference
- 26/1799/PNH
- Type
- Prior Notification (Householder)
- Status
- Prior Approval Required and Refused
- Decision
- Refused As published: Prior Approval Required and Refused
- Received
- 13 May 2026
- Validated
- 13 May 2026
- Decided
- 17 Jun 2026
- Ward
- East Finchley
- Decision by
- Delegated Decision
- Postcode
- N2 9QP
Site history
Applications at this address on the Barnet register
This site has had 6 applications since 2026: 1 approved, 1 refused.
-
26/3655/HSE Awaiting decision
30 Summerlee Avenue London N2 9QP
Roof extension including rear dormer window, juliette balcony and 2no. front facing rooflights including materials change from red clay to red zinc tiles
-
26/2299/PNH Awaiting decision
30 Summerlee Avenue London N2 9QP
Single storey rear extension with a proposed depth of 4.05m, maximum height of 3.00m and an eaves height of 3.00m
-
26/0905/192 Granted
30 Summerlee Avenue London N2 9QP
Single storey rear extension with 2no. rooflights following demolition of existing timber extension. Single storey outbuilding to rear garden with green roof. New front porch
-
26/0307/HSE Awaiting decision
30 Summerlee Avenue London N2 9QP
Single storey rear extension with roof lights following demolition of existing timber extension. Increase depth of existing cellar to form new storage room. Single storey outbuilding to rear garden with green roof. New front porch. Replacement of existing windows with new timber framed double-glazed windows
-
26/0308/192 Awaiting decision
30 Summerlee Avenue London N2 9QP
Roof extension including rear dormer window with juliette balcony and 2no. rooflights to front roofslope
Timeline
Dates from the published record
-
13 May 2026
Received by Barnet
-
17 Jun 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
Simon Astridge Architecture Workshop Agent, an architecture practice registered in London
Active · incorporated 2011 · London
4 applications on PlanIndex · across 2 councils
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
29 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 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
-
30 Summerlee Avenue London N2 9QP
77% historically approved · decision due ~25 Mar
Single storey rear extension with roof lights following demolition of existing timber extension. Increase depth of existing cellar to form new storage room. Single storey outbuilding to rear garden with green roof. New front porch. Replacement of existing windows with new timber framed double-glazed windows
Awaiting decision Householder Extension Loft or dormer +2 23 docsSmall domestic -
30 Summerlee Avenue London N2 9QP
80% historically approved · decision due ~25 Mar
Roof extension including rear dormer window with juliette balcony and 2no. rooflights to front roofslope
Awaiting decision Lawful development Extension Loft or dormer +1 21 docs -
30 Summerlee Avenue London N2 9QP
Single storey rear extension with 2no. rooflights following demolition of existing timber extension. Single storey outbuilding to rear garden with green roof. New front porch
Granted Lawful development Extension Loft or dormer +1 22 docsSmall domestic -
45 Summerlee Avenue London N2 9QP
77% historically approved · decision due ~24 Dec
Erection of a rear outbuilding, following demolition of the existing garage (amended description).
Awaiting decision Householder DemolitionSmall domestic -
30 Summerlee Avenue London N2 9QP
77% historically approved · decision due ~4 Dec
Roof extension including rear dormer window, juliette balcony and 2no. front facing rooflights including materials change from red clay to red zinc tiles
Awaiting decision Householder Extension Loft or dormer +1Domestic -
30 Summerlee Avenue London N2 9QP
56% historically approved · decision due ~13 Aug
Single storey rear extension with a proposed depth of 4.05m, maximum height of 3.00m and an eaves height of 3.00m
Awaiting decision Prior approval ExtensionSmall domestic
Other prior approval applications
In Barnet
-
26/4010/PNH Awaiting decision
59 Hendon Way London NW2 2LX
Single storey rear extension with a proposed depth of 6.0 metres, maximum height of 3.0 metres and eaves height of 3.0 metres
-
26/3970/PNH Awaiting decision
103 Arlington Road London N14 5BA
2no. single storey rear extensions with a depth of 6.00 metrres, a maximum height of 4.00 metres and an eaves height of 3.00 metres and a depth of 6.00 metres, and eaves height of 4.00 metres and an eaves height of 3.00 metres.
-
26/3984/PNH Awaiting decision
155 Station Road London N3 2SP
Single storey rear extension with a proposed depth of 4.5 metres, maximum height of 3.5 metres and eaves height of 2.98 metres
-
26/3948/PNH Awaiting decision
86 Ridgeway Avenue Barnet EN4 8TN
Single storey extension rear extension with a total depth of 4.50 metres, a maximum height of 3.96 metres and an eaves height of 3.00 metres.
-
26/3937/PNH Awaiting decision
85 Cotswold Gardens London NW2 1PE
Single storey rear extension with a proposed depth of 5.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres.