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Planning application

36 Lancaster Avenue London Lambeth SE27 9DZ

Decided Lambeth 26/00940/FUL Full Planning Permission

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.

    Decided 17 Dec 2025 Full applications

Timeline

Dates from the published record

  1. 24 Mar 2026

    Received by Lambeth

  2. 14 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 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

19 applications on PlanIndex · across 5 councils · 80% 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 record

Documents

Plans, drawings, consultee responses and the officer's report

36 documents on file for this application

  • OFFICER REPORT Delegated Register · 09 Jun 2026
  • REDACTED Application Form · 27 Apr 2026
  • EXISTING WINDOW W0/W02 DRAWING Plans · 24 Apr 2026
  • PROPOSED WINDOW W0/W02 DRAWING Plans · 24 Apr 2026
  • COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM Supporting Docs · 24 Mar 2026
  • EXISTING SITE PLAN Plans · 24 Mar 2026
  • PROPOSED BASEMENT PLAN Plans · 24 Mar 2026
  • PROPOSED FIRST FLOOR MEZZANINE PLAN Plans · 24 Mar 2026
  • EXISTING BASEMENT PLAN Plans · 24 Mar 2026
  • EXISTING FIRST FLOOR MEZZANINE PLAN Plans · 24 Mar 2026
  • EXISTING SIDE ELEVATION Plans · 24 Mar 2026
  • EXISTING SECTION BB Plans · 24 Mar 2026
  • EXISTING SECOND FLOOR MEZZANINE PLAN Plans · 24 Mar 2026
  • EXISTING LOFT PLAN Plans · 24 Mar 2026
  • PROPOSED FRONT ELEVATION Plans · 24 Mar 2026
  • PROPOSED REAR ELEVATION Plans · 24 Mar 2026
  • THE LOCATION PLAN OS Map · 24 Mar 2026
  • EXISTING GROUND FLOOR PLAN Plans · 24 Mar 2026
  • EXISTING REAR ELEVATION Plans · 24 Mar 2026
  • PROPOSED ROOF PLAN Plans · 24 Mar 2026
  • PROPOSED WINDOW DRAWINGS - W0/01 Plans · 24 Mar 2026
  • + HERITAGE STATEMENT Design & Access Statement · 24 Mar 2026
  • WINDOW SPECIFICATION Plans · 24 Mar 2026
  • PROPOSED GROUND FLOOR PLAN Plans · 24 Mar 2026
  • EXISTING SECTION AA Plans · 24 Mar 2026
  • EXISTING FRONT ELEVATION Plans · 24 Mar 2026
  • PROPOSED SECTION AA Plans · 24 Mar 2026
  • PROPOSED SECTION BB Plans · 24 Mar 2026
  • PROPOSED SIDE ELEVATION Plans · 24 Mar 2026
  • PROPOSED FIRST FLOOR PLAN Plans · 24 Mar 2026
  • PROPOSED SECOND FLOOR PLAN Plans · 24 Mar 2026
  • EXISTING WINDOW DRAWINGS W0/01 Plans · 24 Mar 2026
  • PROPOSED SITE PLAN Plans · 24 Mar 2026
  • EXISTING FIRST FLOOR PLAN Plans · 24 Mar 2026
  • EXISTING ROOF PLAN Plans · 24 Mar 2026
  • PROPOSED SECOND FLOOR MEZZANINE PLAN Plans · 24 Mar 2026

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After 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

    25/03320/FUL Submitted 22 Oct 2025 50 yards away

    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 33 docs
  • 3 Lancaster Avenue London Lambeth SE27 9EL

    26/02744/FUL Submitted 23 Sep 2026 50 yards away

    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 Extension
    Small domestic
  • 37 Lancaster Avenue London SE27 9EL

    16/03230/VOC Submitted 27 May 2016 100 yards away

    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

    26/00003/FUL Submitted 1 Jan 2026 100 yards away

    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

    26/02466/FUL Submitted 26 Aug 2026 100 yards away

    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 docs
    Small domestic
  • 43 Lancaster Avenue London Lambeth SE27 9EL

    25/03678/TCA Submitted 26 Nov 2025 100 yards away

    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

In Lambeth

  • 26/03217/FUL Awaiting decision

    20 Bellefields Road London Lambeth SW9 9UQ

    Erection of a single storey side extension including rooflights, increased door size to the rear elevation, replacement windows on a like-for-like basis, and reinstatement of the lower ground floor side door under the entrance steps to the front elevation (to provide direct access to the outside).

    Received 2 Nov, published by the council 5 Nov 2026 Full applications
  • 26/03214/FUL Awaiting decision

    39 Holmewood Gardens London Lambeth SW2 3NA

    Erection of a rear dormer window, installation of two front roof lights and two roof lights to the rear outrigger, installation of solar panels, and installation of an external A/C unit to the rear outrigger.

    Received 2 Nov, published by the council 5 Nov 2026 Full applications
  • 26/03202/FUL Awaiting decision

    73 Ramillies Close London Lambeth SW2 5DQ

    Retrofit measures installed to existing dwellinghouses. Measures include replacement of windows and doors, and fabric upgrades to roof, including replacement of roof finishings, and replacement of light wells in main roof.

    Received 30 Oct, published by the council 3 Nov 2026 Full applications
  • 26/03197/FUL Awaiting decision

    196-198 Flat K Brixton Road London Lambeth SW9 6AP

    Replacement of a rear door with a like-for-like timber french door featuring a traditional six panel configuration (Please note: The reference number for this Listed Building Consent application is 26/03198/LB but there is also an associated application for Full Planning Permission related to these works with reference number: 26/03197/FUL)

    Received 29 Oct, published by the council 2 Nov 2026 Full applications
  • 26/03193/FUL Awaiting decision

    Unit 9 Ellerslie Square Industrial Estate 11 Lyham Road London SW2 5DZ

    Replacement of existing roof, window frames, entrance/fire exit doors and roller shutters.

    Received 29 Oct, published by the council 3 Nov 2026 Full applications