15 Tremadoc Road London SW4 7NF Data via plota.co.uk
Proposal
Erection of a rear dormer roof extension with a juliet balcony, including the installation of 3 front rooflights, and the replacement of existing right side elevation window with a new window, and other associated alterations. (To Flat C). Data via plota.co.uk
Application progress
Approved on 10 Oct 2025 · Delegated Decision · Last checked 14 Oct 2026
Documents 7
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 2
Site constraints 8
Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, 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.
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Important details
How this decision compares
Decided in 56 days from validation, about the council's usual 56 days. Approved, as 79% of full applications here are.
Plota live figures for full applications decided by Lambeth in the last twelve months, from validation. Lambeth decision record →
Public comments
No public comments yet.
13 neighbours consulted · Last counted 14 Oct 2026
Consultation & key dates
- Comments by
- 23 Sept 2025
- Statutory expiry
- 10 Oct 2025
- 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.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
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15 Tremadoc Road London SW4 7NF
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