6 Twineham Green London N12 7ER Data via plota.co.uk
Proposal
Two-storey rear extension with rear dormer window ( Retrospective Application) Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicted a decision soon after comments close on 8 Oct 2026; it is now day 60.
Documents 14
Statements & assessments 1
Plans & drawings 11
Site constraints 5
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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.
Building
From the energy performance certificate lodged in September 2009, the latest held for this property. The building may have changed since. View the certificate
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Important details
Decision outlook
Day 60, past the statutory target. 96% of extensions in Barnet are decided within thirteen weeks, which runs to 9 Nov 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 7 Oct 2026.
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 7 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15098178
- Planning Portal ref
- PP-15098178
- Comments by
- 8 Oct 2026
- Site or press notice
- 10 Sept 2026
- Statutory expiry
- 5 Oct 2026
Historical activity at this location
26 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.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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6 Twineham Green London N12 7ER
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Comments are open until 8 Oct 2026