1 Derwent Avenue Barnet EN4 8LU Data via plota.co.uk
Proposal
Roof extension involving hip to gable, rear dormer window, 2no. front facing rooflights and new side gable window Data via plota.co.uk
Application progress
Approved on 17 Jul 2026 · Delegated Decision · Last checked 4 Aug 2026
Documents 8
Decision & officer reports 1
Plans & drawings 5
Application forms 1
Other documents 1
Site constraints 3
Checked on 11 September 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Every application in Barnet - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
20 Derwent Avenue Barnet EN4 8LX
Roof extension involving rear dormer window with juliette balcony
54 Derwent Avenue Barnet EN4 8LZ
Roof extension involving rear dormer window with juliette balcony
4 Derwent Avenue Barnet EN4 8LX
Roof extension involving hip to gable, rear dormer window with juliette balcony ...
Nearby new applications
25 Grange Avenue Barnet EN4 8NJ
Part lower ground, part single storey and part two storey side and rear extensio...
104B Russell Lane London N20 0AS
Single storey rear extension with alterations to the existing balcony
19 Rushdene Avenue Barnet EN4 8EN
New front vehicular access and hardstanding to provide off-street parking space....
117 Russell Lane London N20 0AZ
2no. single storey rear extensions following demolition of the existing garage a...
128 - 130 Woodfield Drive Barnet EN4 8PB
Creation of new vehicle hardstanding and vehicular access to provide off-street ...
Land To The North Of Brunswick Park Land Rear Of 153 - 163 Osidge Lane London N14 5DU
Submission of details of condition 3 (Levels) 4 (Materials) 5 (Drainage Strategy...
Important details
- Council
- Barnet
- Application type
- Proposed Lawful Development Certificate
- Postcode
- EN4 8LU
- Received
- 16 Jun 2026
- Validated
- 26 Jun 2026
- Ward
- Brunswick Park
- Case officer
- Show
- Target decision
- 21 Aug 2026
- Decision
- Lawful
- Decision date
- 17 Jul 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Design and Plan Consultants Ltd
How this decision compares
Decided in 21 days from validation, 32 days faster than Barnet's median of 53 for extensions. Approved, as 74% of extensions here are.
Plota live figures for extensions decided by Barnet in the last twelve months, from validation. Barnet decision record →
Public comments
No public comments yet.
Last counted 4 Aug 2026
Consultation & key dates
- Alt. reference
- PLP-00003515
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Barnet is faster than most councils at deciding householder applications, ranking #42 out of 296. Only 25% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Barnet is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.
Track this application
1 Derwent Avenue Barnet EN4 8LU
Tracking this application
Not there in a minute? Check junk - especially Hotmail and Outlook.
Go to your dashboard →Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.