Planning application
36 Lancaster Avenue London Lambeth SE27 9DZ
Works: Extension Loft or dormer Windows or glazing
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
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.
As published by the council, reference 25/03320/FUL
Application record
- Reference
- 25/03320/FUL
- Type
- Full Planning Permission
- Status
- Decided
- Decision
- Refused As published: Refuse Permission
- Received
- 22 Oct 2025
- Validated
- 22 Oct 2025
- Decided
- 17 Dec 2025
- Ward
- West Dulwich
- Decision by
- Delegated Decision
- 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.
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26/00940/FUL Decided
36 Lancaster Avenue London Lambeth SE27 9DZ
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.
Timeline
Dates from the published record
-
22 Oct 2025
Received by Lambeth
-
17 Dec 2025
Decision issued: Refuse Permission
-
11 Aug 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
18 applications on PlanIndex · across 4 councils · 79% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
34 documents on file for this application
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Open the documentsWhat this refusal means
Lambeth refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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
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36 Lancaster Avenue London Lambeth SE27 9DZ
78% historically approved · decision due ~9 Jun
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.
Decided Full applications Extension Loft or dormer +1 36 docs -
3 Lancaster Avenue London Lambeth SE27 9EL
78% historically approved · decision due ~25 Nov
Erection of a single-storey first-floor side extension above the existing side extension, and conversion of the existing garage and ground-floor bathroom to form a one-bedroom dwellinghouse, subdivided from the host dwelling. (AMENDED DESCRIPTION)
Awaiting decision Full applications ExtensionSmall domestic -
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
78% 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.
Decided Full applications Extension Loft or dormer 27 docs -
30 Chatsworth Way London SE27 9HN
Erection of a single-storey ground-floor rear extension, together with façade alterations, replacement windows, installation of rooflights and associated works.
Granted 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
Other full applications
In Lambeth
-
26/03040/FUL Awaiting decision
3 Walberswick Street London Lambeth SW8 1XF
Erection of a second-storey rear extension and the addition of a window to the mansard. Reduction from a double sliding door to a single door with a Juliet balcony
-
26/03004/FUL Awaiting decision
61 Amesbury Avenue London Lambeth SW2 3AE
Erection of a single storey rear infill extension, replacement of the existing timber sash windows with double glazed timber sash windows, erection of new fence to front patio and installaton of Air Source Heat Pump to existing roof.
-
26/02988/FUL Awaiting decision
76 Bonham Road London Lambeth SW2 5HG
Change of use of the ground floor to self contained unit (class C3), upper floors and loft to a large House in Multiple Occupation (Sui Generis), together with sub-division of the rear garden, installation of 2x rooflights to front roofslope, conversion of the existing garage to ancillary residential gym use, installation of air source heat pumps, and provision of cycle and refuse storage.
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26/02996/FUL Awaiting decision
Surrey County Cricket Club Kennington Oval London Lambeth SE11 5SS
Extension of the existing external balcony on third floor pitch-facing elevation and installation of minor additional plant at roof level.
-
26/03001/FUL Awaiting decision
80 Park Hill London SW4 9PB
Erection of a single-storey ground floor rear and infill extension including the installation of two rooflights (ground floor flat).