12 St Martin's Road London SW9 0SW Data via plota.co.uk
Proposal
Replacement of existing windows with new slim-line double-glazed white timber sliding sash windows, with three casement windows to the rear elevation only. Replacement of existing doors on the front elevation with new timber doors with a black painted finish and rear door is to be replaced with a double-glazed white PVCu door. Data via plota.co.uk
Application progress
Approved on 6 Aug 2026 · Delegated Decision · Last checked 11 Aug 2026
Documents 14
Decision & officer reports 1
Statements & assessments 1
Plans & drawings 6
Application forms 1
Other documents 5
Site constraints 4
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
How this decision compares
Decided in 78 days from validation, 22 days slower than Lambeth's median of 56 for extensions. Approved, as 80% of extensions here are.
Plota live figures for extensions decided by Lambeth in the last twelve months, from validation. Lambeth decision record →
Public comments
No public comments yet.
22 neighbours consulted · Last counted 11 Aug 2026
Consultation & key dates
- Comments by
- 2 Jul 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
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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12 St Martin's Road London SW9 0SW
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