21 Northway Road London SE5 9AN Data via plota.co.uk
Proposal
Certificate of Lawful Development (Proposed) with respect to erection of rear dormer roof extension, a dormer roof extension over existing rear outrigger and installation of 2 rooflights to the front roof slope. Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision around 25 Sept 2026, from Lambeth's recent extensions.
Documents 15
Statements & assessments 1
Plans & drawings 12
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 Lambeth - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
Decision outlook
Day 45 of the 56-day target. Lambeth usually decides extensions by day 56.
Plota live figures for extensions decided by Lambeth in the last twelve months, from validation. Lambeth decision record →
Public comments
No public comments yet.
Last counted 12 Sept 2026
Consultation & key dates
- Env. assessment
- No
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
Lambeth ranks #164 out of 296 councils for householder decision speed. 47% of applications have the time limit extended, above the 41% national average. Lambeth is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.
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21 Northway Road London SE5 9AN
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