50 Martell Road London SE21 8EE Data via plota.co.uk
Proposal
Erection of a rear dormer roof extension and an outrigger roof extension, together with the installation of two front roof lights. (To Flat B) Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicted a decision soon after comments close on 10 Sept 2026; it is now day 70. The consultation period closed on 10 Sept 2026.
Documents 4
Plans & drawings 2
Application forms 2
Site constraints 8
Show all 3 with distances
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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Erection of a rear dormer roof extension and installation of one rear rooflight.
Important details
Decision outlook
Day 70, past the statutory target. 90% of extensions in Lambeth are decided within thirteen weeks, which runs to 5 Oct 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 12 Sept 2026.
Plota live figures for extensions decided by Lambeth in the last twelve months, from validation. Lambeth decision record →
Public comments
No public comments yet.
47 neighbours consulted · Last counted 12 Sept 2026
Consultation & key dates
- Comments by
- 10 Sept 2026
- 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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50 Martell Road London SE21 8EE
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