53 First Floor Flat Casewick Road London Lambeth SE27 0TB Data via plota.co.uk
Proposal
Erection of a mansard roof extension. Data via plota.co.uk
Application progress
Approved on 21 Sept 2026 · Delegated Decision · Last checked 22 Sept 2026
Documents 10
Decision & officer reports 1
Statements & assessments 1
Plans & drawings 4
Application forms 2
Site constraints 3
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, 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.
Building
From the energy performance certificate lodged in March 2010, the latest held for this property. The building may have changed since. View the certificate
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
- Council
- Lambeth
- Application type
- Full Planning Permission
- Postcode
- SE27 0TB
- Received
- 30 Jun 2026
- Validated
- 30 Jun 2026
- Ward
- Knights Hill
- Case officer
- Show
- Target decision
- 21 Sept 2026
- Decision
- Grant Permission
- Decision date
- 21 Sept 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- CANOPY PLANNING SERVICES LTD
- Freehold owner
- Show
How this decision compares
Decided in 83 days from validation, 27 days slower than Lambeth's median of 56 for extensions. Approved, as 82% 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.
7 neighbours consulted · Last counted 22 Sept 2026
Consultation & key dates
- Comments by
- 10 Sept 2026
- Statutory expiry
- 25 Aug 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.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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53 First Floor Flat Casewick Road London Lambeth SE27 0TB
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Freehold owner, on paid plans
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