46 Casewick Road London SE27 0SY Data via plota.co.uk
Proposal
Erection of rear L-shaped mansard style roof extension together with the installation of 3 rooflights to the front roof slope. Data via plota.co.uk
Application progress
Approved on 15 Dec 2025 · Delegated Decision · Last checked 10 Oct 2026
Documents 12
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 6
Site constraints 4
Checked on 2 November 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.
Sales history 4
Last sold for £552,000 in May 2026. Flat or maisonette, leasehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in December 2025, 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.
Other new applications on this street
88 Casewick Road London SE27 0SY
Application for a Certificate of Lawful Development (Existing) with respect to u...
103 Casewick Road London SE27 0TA
Certificate of Lawful Development (Proposed) with respect to the loft conversion...
53 First Floor Flat Casewick Road London Lambeth SE27 0TB
Erection of a mansard roof extension.
Nearby new applications
132 St Julian's Farm Road London Lambeth SE27 0RR
Prior approval for the erection of a single-storey rear extension.
14 Rockhampton Close London Lambeth SE27 0NG
Change of use from small HMO (house in multiple accommodation) (Use Class C4) to...
107 Canterbury Grove London SE27 0NZ
Application for a non-material amendment following a grant of planning permissio...
Fawcett Close London SW16 2QJ
General tree maintance and repollarding of Lime trees at No 53, 54, 55, 56, 58, ...
88 Casewick Road London SE27 0SY
Application for a Certificate of Lawful Development (Existing) with respect to u...
107 St Julian's Farm Road London Lambeth SE27 0RP
Erection of a single storey outbuilding to the rear garden.
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.
7 neighbours consulted · Last counted 10 Oct 2026
Consultation & key dates
- Comments by
- 18 Nov 2025
- Statutory expiry
- 15 Dec 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.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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.
Track this application
46 Casewick Road London SE27 0SY
Tracking this application
Not there after a minute? Check your junk folder. It's from alerts@plota.co.uk.
Go to your dashboard →Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.
