Planning application
36 Lancaster Avenue London Lambeth SE27 9DZ
Works: Extension Loft or dormer Windows or glazing
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Erection of a rear dormer extension including the installation of 2 front, 1 side and 1 rear roof lights, the replacement of ground floor front facade bay window sashes plus enlargement of the second floor side sash window, and re-roofing and canopy covering in traditional slate.
As published by the council, reference 26/00940/FUL
Application record
- Reference
- 26/00940/FUL
- Type
- Full Planning Permission
- Status
- Decided
- Received
- 24 Mar 2026
- Validated
- 14 Apr 2026
- Ward
- West Dulwich
- Postcode
- SE27 9DZ
Site history
Applications at this address on the Lambeth register
This site has had 2 applications since 2025: 0 approved, 1 refused.
-
25/03320/FUL Refused
36 Lancaster Avenue London Lambeth SE27 9DZ
Erection of a rear dormer extension including 3 rooflights to the front, removal of existing chimney stack, replacement of front façade bay window and re-roofing and canopy covering in traditional slate.
Timeline
Dates from the published record
-
24 Mar 2026
Received by Lambeth
-
14 Apr 2026
Validated
Checked as complete and ready for consideration.
-
25 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Delve Architects Ltd Agent, an architecture practice registered in London
Active · incorporated 2018 · London
17 applications on PlanIndex · across 5 councils · 75% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
36 documents on file for this application
- OFFICER REPORT
- REDACTED
- EXISTING WINDOW W0/W02 DRAWING
- PROPOSED WINDOW W0/W02 DRAWING
- COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM
- EXISTING SITE PLAN
- PROPOSED BASEMENT PLAN
- PROPOSED FIRST FLOOR MEZZANINE PLAN
- EXISTING BASEMENT PLAN
- EXISTING FIRST FLOOR MEZZANINE PLAN
- EXISTING SIDE ELEVATION
- EXISTING SECTION BB
- EXISTING SECOND FLOOR MEZZANINE PLAN
- EXISTING LOFT PLAN
- PROPOSED FRONT ELEVATION
- PROPOSED REAR ELEVATION
- THE LOCATION PLAN
- EXISTING GROUND FLOOR PLAN
- EXISTING REAR ELEVATION
- PROPOSED ROOF PLAN
- PROPOSED WINDOW DRAWINGS - W0/01
- + HERITAGE STATEMENT
- WINDOW SPECIFICATION
- PROPOSED GROUND FLOOR PLAN
- EXISTING SECTION AA
- EXISTING FRONT ELEVATION
- PROPOSED SECTION AA
- PROPOSED SECTION BB
- PROPOSED SIDE ELEVATION
- PROPOSED FIRST FLOOR PLAN
- PROPOSED SECOND FLOOR PLAN
- EXISTING WINDOW DRAWINGS W0/01
- PROPOSED SITE PLAN
- EXISTING FIRST FLOOR PLAN
- EXISTING ROOF PLAN
- PROPOSED SECOND FLOOR MEZZANINE PLAN
Watch members (£5 a month) open the document list from here.
Open the documentsAfter the decision
Lambeth has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
36 Lancaster Avenue London Lambeth SE27 9DZ
Erection of a rear dormer extension including 3 rooflights to the front, removal of existing chimney stack, replacement of front façade bay window and re-roofing and canopy covering in traditional slate.
Refused Full applications Extension Loft or dormer +1 34 docs -
37 Lancaster Avenue London SE27 9EL
Removal of condition 9 of planning permission 08/02301/FUL (Change of use to a Residential Care Home (Use Class C2) for Adults with Learning Difficulties and associated boundary and forecourt/front entrance treatment) granted on 13.08.2008Condition 9 states: The change of use herewith permitted shall not be to any use other than to a home within Use Class C2 of the Town and Country Planning (Use Classes) Order 2005, to provide residential accommodation for adults with learning difficulties, with a significant element of care to people in need of care. Such care to be provided 24 hours a day by staff on the premises.
Granted Amendments 4 docs -
22 Lancaster Avenue London SE27 9DZ
77% historically approved · decision due ~3 Mar
Erection of a rear dormer extension including 1 rooflight to the front and replacement natural slate tiles to entire roof.
Awaiting decision Full applications Extension Loft or dormer 17 docs -
30 Chatsworth Way London SE27 9HN
77% historically approved · decision due ~21 Oct
Erection of a single-storey ground-floor rear extension, together with façade alterations, replacement windows, installation of rooflights and associated works.
Awaiting decision Full applications Extension Loft or dormer +1 6 docsSmall domestic -
43 Lancaster Avenue London Lambeth SE27 9EL
Rear Garden: T1 Elder Crown lift to 2.4m and clear structures by 1m. Remove deadwood. T2 Ash Crown lift to 2.4m and clear structures by 1m. Remove deadwood. T3 Willow Crown lift to 2.4m and clear structures by 1m. Remove deadwood. T4 Laurel Crown lift to 2.4m and clear structures by 1m. Remove deadwood. T5 Chestnut Crown lift to 2.4m and clear structures by 1m. Remove deadwood. Reason: General maintenance. Improve clearance and safety for nursery.
Granted Trees 2 docs -
21 Lancaster Avenue London SE27 9EL
Erection of a 2 storey side extension, reconfiguration of the front boundary wall and alterations to rear fenestration.
Withdrawn Full applications Extension Windows or glazing 13 docsSmall domestic
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26/02127/FUL Granted
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26/02126/FUL Granted
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Erection of a single storey ground floor side and rear infill extension.
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26/02071/FUL Granted
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Replacement of timber windows with double-glazed timber windows to the front and rear elevations (amended).
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26/02074/FUL Granted
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Replacement of timber windows and doors with double-glazed timber windows and doors to all elevations.