Planning application
31 Highview Avenue Edgware HA8 9TX
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Roof extension involving rear dormer window and 2no. front facing rooflights. Erection of a rear outbuilding
As published by the council, reference 26/1333/192
Application record
- Reference
- 26/1333/192
- Type
- Proposed Lawful Development Certificate
- Status
- Lawful
- Decision
- Lawful
- Received
- 10 Apr 2026
- Validated
- 15 Apr 2026
- Decided
- 11 May 2026
- Ward
- Edgware
- Decision by
- Delegated Decision
- Postcode
- HA8 9TX
Site history
Applications at this address on the Barnet register
This site has had 5 applications since 2026: 1 approved, 1 refused.
-
26/2841/HSE Decided
31 Highview Avenue Edgware HA8 9TX
Single storey front/side extension to include porch with new front door. Part single, part two storey side and rear extension with 3no. rooflights and new patio area. Roof extension involving hip to gable, rear dormer window following demolition of existing rear dormer and new 2no. front rooflights.
-
26/2241/PNH Decided
31 Highview Avenue Edgware HA8 9TX
2no. single storey rear extensions with a proposed depth of 6.00 metres, maximum height of 3.44 metres and eaves height of 3.00 metres, following partial demolition of the existing side/rear extension.
-
26/1999/HSE Awaiting decision
31 Highview Avenue Edgware HA8 9TX
Single storey front extension. Part single, part two storey side and rear extension with new patio area
-
26/1332/PNH Refused
31 Highview Avenue Edgware HA8 9TX
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.44 metres and eaves height of 3.00 metres, following the partial demolition the existing side/rear extension
Timeline
Dates from the published record
-
10 Apr 2026
Received by Barnet
-
15 Apr 2026
Validated
Checked as complete and ready for consideration.
-
11 May 2026
Decision issued: Lawful
-
25 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
UPP Architects + Town Planners Agent, an architecture practice
129 applications on PlanIndex · across 29 councils · 78% 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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Barnet granted permission on 11 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
31 Highview Avenue Edgware HA8 9TX
77% historically approved · decision due ~24 Jul
Single storey front extension. Part single, part two storey side and rear extension with new patio area
Awaiting decision Householder Extension 4 docsSmall domestic -
31 Highview Avenue Edgware HA8 9TX
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.44 metres and eaves height of 3.00 metres, following the partial demolition the existing side/rear extension
Refused Prior approval Extension Demolition 5 docsSmall domestic -
Street Record Wildernesse Close Edgware HA8 9PT
1 x Oak (applicants ref. T3) - Reduce lowest 3 branches by 2 meters and remove epicormic growth on trunk and throughout crown for light. Standing in T4 of Tree Preservation Order.
Split decision Trees 7 docs -
5 Wildernesse Close Edgware HA8 9GP
Installation of 13no. solar panels to the roof
Refused Lawful development 10 docs -
31 Highview Avenue Edgware HA8 9TX
58% historically approved · decision due ~11 Aug
2no. single storey rear extensions with a proposed depth of 6.00 metres, maximum height of 3.44 metres and eaves height of 3.00 metres, following partial demolition of the existing side/rear extension.
Decided Prior approval Extension DemolitionSmall domestic -
31 Highview Avenue Edgware HA8 9TX
77% historically approved · decision due ~1 Oct
Single storey front/side extension to include porch with new front door. Part single, part two storey side and rear extension with 3no. rooflights and new patio area. Roof extension involving hip to gable, rear dormer window following demolition of existing rear dormer and new 2no. front rooflights.
Decided Householder Extension Loft or dormer +2Small domestic
Other lawful development applications
In Barnet
-
26/2679/192 Granted
21 Myddelton Park London N20 0JH
Single storey rear extension and increase in ridge height of existing rear outrigger (Amended description).
-
26/1907/191 Granted
8 Golders Manor Drive London NW11 9HT
Use of the property as a self-contained residential unit at ground floor level and the first and second floors as a 4-bedroom, 4-person House in Multiple Occupation (Sui Generis) (AMENDED DESCRIPTION)
-
26/2059/192 Refused
Low Ridge Rowley Lane Barnet EN5 3HS
Erection of a rear outbuilding
-
26/2066/192 Granted
355 Hendon Way London NW4 3NB
Roof extension involving rear dormer window and 3no. front facing rooflights. Removal of chimney on rear elevation (AMENDED DESCRIPTION)
-
26/2525/192 Granted
39 Ridgeway Avenue Barnet EN4 8TN
Single storey rear extension