4 Derwent Avenue Barnet EN4 8LX Data via plota.co.uk
Proposal
Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no. front facing rooflights. Removal of a chimney (AMENDED DESCRIPTION) Data via plota.co.uk
Application progress
Approved on 9 Jun 2026 · Delegated Decision · Last checked 6 Jul 2026
Documents 5
Decision & officer reports 1
Plans & drawings 3
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.
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Important details
- Council
- Barnet
- Application type
- Proposed Lawful Development Certificate
- Postcode
- EN4 8LX
- Received
- 14 May 2026
- Validated
- 20 May 2026
- Ward
- Brunswick Park
- Case officer
- Show
- Target decision
- 15 Jul 2026
- Decision
- Lawful
- Decision date
- 9 Jun 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Steven Gray Design Limited
How this decision compares
Decided in 20 days from validation, 33 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 →
Consultation & key dates
- Alt. reference
- PP-14936581
Historical activity at this location
27 previous applications on record - archival context, not part of the live application.
Previous applications at this address
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.
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4 Derwent Avenue Barnet EN4 8LX
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