138 Clive Road London SE21 8BP Data via plota.co.uk
Proposal
Erection of a mansard roof extension over existing rear outrigger and installation of a rooflight to the front roof slope (First Floor Flat) Data via plota.co.uk
Application progress
Refused on 21 Aug 2026 · Delegated Decision · Last checked 22 Aug 2026
Documents 6
Decision & officer reports 2
Plans & drawings 1
Application forms 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.
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Important details
How this decision compares
Decided in 56 days from validation, about the council's usual 56 days. Refused, as 20% of extensions here are.
Plota live figures for extensions decided by Lambeth in the last twelve months, from validation. Lambeth decision record →
Public comments
11 neighbours consulted · Last counted 22 Aug 2026
Consultation & key dates
- Comments by
- 14 Aug 2026
- Env. assessment
- No
Historical activity at this location
28 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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138 Clive Road London SE21 8BP
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