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46 Casewick Road London SE27 0SY

25/03239/FULFull Planning PermissionApproved
Full

Approved on 15 December 2025

Council decision: Grant PermissionDelegated (officer decision)3 conditions

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Erection of rear L-shaped mansard style roof extension together with the installation of 3 rooflights to the front roof slope.

Received
15 October 2025
Decision level
Delegated (officer decision)
Ward
Knights Hill
Agent
Studio DJL
  1. Received15 Oct
  2. Validated20 Oct
  3. Consult.18 Nov
  4. Target15 Dec
  5. Decided15 Dec

Decided in 56 days (council typically 56)

About this application

This is a full planning application for an extension at 46 Casewick Road London SE27 0SY. Lambeth has handled 398 applications of this type. This one was decided in 61 days, 5 days longer than Lambeth's typical decision time. There are no previous applications recorded at this address. In the past year there have been 60 applications across Knights Hill. We hold 1,060 applications in total for the SE27 postcode area.

70% of full applications at London Borough of Lambeth were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
SE27 0SY
Application type
Full Planning Permission
Scale / size
Small

Planning application dates

Date validated
20 October 2025
Consultation expiry
18 November 2025
Consultation end
18 November 2025
Neighbour consultation end
18 November 2025
Target decision date
15 December 2025

Applicant and agent

Agent
Studio DJL
Agent address
23 Hilldrop Road Bromley BR1 4DB

Planning decision

Statutory period
56 days

Additional information

Comments
0
Documents
12
Constraints
1

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (24)

flood storage areas, conservation areas, listed buildings, Article 4 directions, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Source: Lambeth

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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