Planning application
25 De Laune Street London Southwark SE17 3UU
Works: Extension Loft or dormer Demolition Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Relates to 25/AP/3455
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Non-material amendment of planning permission 25/AP/3455 (Demolition of the existing rear addition and the construction of a single-storey side and rear extension and an outrigger dormer extension; the replacement of the windows to the side and rear of the dwelling with timber framed double glazed units; addition of rooflight to existing mansard; and the addition of a Juliet balcony to the rear elevation, to replace the existing window.) NMA: Proposed rear and side extension copper cladding to be replaced by reclaimed London stock bricks matching the rest of the facade
As published by the council, reference 26/AP/2099
Application record
- Reference
- 26/AP/2099
- Type
- Variation: Non-Material Changes
- Status
- Decided
- Decision
- Agreed - for App Types VLA and VNMC
- Received
- 16 Jul 2026
- Validated
- 17 Jul 2026
- Decided
- 10 Aug 2026
- Ward
- Newington
- Parish
- Borough, Bankside And Walworth
- Decision by
- Delegated Panel - Simple
- Postcode
- SE17 3UU
Site history
Applications at this address on the Southwark register
This site has had 4 applications since 2025: 1 approved, 0 refused.
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26/AP/2177 Awaiting decision
25 De Laune Street London Southwark SE17 3UU
Variation of Condition pursuant to planning permission 25/AP/3455 (Demolition of the existing rear addition and the construction of a single-storey side and rear extension and an outrigger dormer extension; the replacement of the windows to the side and rear of the dwelling with timber framed double glazed units; addition of rooflight to existing mansard; and the addition of a Juliet balcony to the rear elevation, to replace the existing window.) Sought: Rear extension height measurement adjustment & Outrigger extension cladding change (lead clad dormer to slate tiles)
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26/AP/2162 Awaiting decision
25 De Laune Street London Southwark SE17 3UU
Variation of Conditions pursuant to planning permission 25/AP/3455 (Demolition of the existing rear addition and the construction of a single-storey side and rear extension and an outrigger dormer extension; the replacement of the windows to the side and rear of the dwelling with timber framed double glazed units; addition of rooflight to existing mansard; and the addition of a Juliet balcony to the rear elevation, to replace the existing window.) Sought: To reflect the existing rear sash window location against the proposed rear extension height.
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25/AP/3455 Granted
25 De Laune Street London Southwark SE17 3UU
Demolition of the existing rear addition and the construction of a single-storey side and rear extension and an outrigger dormer extension; the replacement of the windows to the side and rear of the dwelling with timber framed double glazed units; addition of rooflight to existing mansard; and the addition of a Juliet balcony to the rear elevation, to replace the existing window.
Timeline
Dates from the published record
-
16 Jul 2026
Received by Southwark
-
17 Jul 2026
Validated
Checked as complete and ready for consideration.
-
25 Jul 2026
Added to PlanIndex
-
10 Aug 2026
Decision issued: Agreed - for App Types VLA and VNMC
Related applications
Cases linked to this one on the register
-
25/AP/3455 Granted
25 De Laune Street London Southwark SE17 3UU
Demolition of the existing rear addition and the construction of a single-storey side and rear extension and an outrigger dormer extension; the replacement of the windows to the side and rear of the dwelling with timber framed double glazed units; addition of rooflight to existing mansard; and the addition of a Juliet balcony to the rear elevation, to replace the existing window.
Who's behind it
Company information only, from the register and Companies House
Studio Artisan Ltd Agent, registered in London
Active · incorporated 2025 · London
4 applications on PlanIndex
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
9 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsAfter the decision
Southwark 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 condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.
Nearby applications
Within 500 metres
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25 De Laune Street London Southwark SE17 3UU
97% historically approved · decision due ~17 Sep
Variation of Condition pursuant to planning permission 25/AP/3455 (Demolition of the existing rear addition and the construction of a single-storey side and rear extension and an outrigger dormer extension; the replacement of the windows to the side and rear of the dwelling with timber framed double glazed units; addition of rooflight to existing mansard; and the addition of a Juliet balcony to the rear elevation, to replace the existing window.) Sought: Rear extension height measurement adjustment & Outrigger extension cladding change (lead clad dormer to slate tiles)
Awaiting decision Amendments Extension Loft or dormer +2 8 docsSmall domestic -
25 De Laune Street London Southwark SE17 3UU
Demolition of the existing rear addition and the construction of a single-storey side and rear extension and an outrigger dormer extension; the replacement of the windows to the side and rear of the dwelling with timber framed double glazed units; addition of rooflight to existing mansard; and the addition of a Juliet balcony to the rear elevation, to replace the existing window.
Granted Householder Extension Loft or dormer +2 17 docsSmall domestic -
25 De Laune Street London Southwark SE17 3UU
97% historically approved · decision due ~16 Sep
Variation of Conditions pursuant to planning permission 25/AP/3455 (Demolition of the existing rear addition and the construction of a single-storey side and rear extension and an outrigger dormer extension; the replacement of the windows to the side and rear of the dwelling with timber framed double glazed units; addition of rooflight to existing mansard; and the addition of a Juliet balcony to the rear elevation, to replace the existing window.) Sought: To reflect the existing rear sash window location against the proposed rear extension height.
Awaiting decision Amendments Extension Loft or dormer +2 6 docsSmall domestic -
53 De Laune Street London Southwark SE17 3UR
Certificate of lawfulness (existing): The property is currently being used as six self-contained flats within use class C3 dwelling houses.
Granted Lawful development New dwelling 7 docsDomestic -
38A De Laune Street London Southwark SE17 3UR
95% historically approved · decision due ~11 Sep
Proposed new rear first floor terrace and associated doors.
Decided -
38 Sharsted Street London Southwark SE17 3TN
95% historically approved · decision due ~13 Jan
Mansard Roof Extension. Brickwork to match existing London stock brickwork with a stone coping finish. The front and rear mansard elements construction finished with traditional slate and double glazed sash windows set within dormer projections. The proposed mansard would include 2 'dormer' windows to the front elevation and 2 'dormer' windows to the rear elevation.
Awaiting decision Householder Extension Loft or dormer +1 9 docsDomestic
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26/AP/1611 Granted
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26/AP/2131 Granted
22-24 Southwark Bridge Road London Southwark SE1 9HB
Details of condition 7 (Noise Monitoring Report) as required by planning permission ref: 25/AP/3515 dated 18/05/2026 for 'Partial demolition of 22 and 24 Southwark Bridge Road and redevelopment of site comprising the erection of an 18 storey building to accommodate a hotel use with associated amenity spaces (Class C1) with flexible cultural use (Sui Generis) at ground floor level, associated cycle parking, landscaping, access and servicing, plant and equipment and all other associated works'.
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26/AP/1984 Granted
Surrey Quays Railway Station Lower Road London Southwark SE16 2UE
Details of condition 7 'Delivery and servicing management plan' required by planning permission ref no. 23/AP/3557 (dated 4th April 2024) 'Variation of Condition 1 (Approved Plans) pursuant to planning permission 22/AP/1802 for 'Approval of Reserved Matters (pursuant to Outline planning permission 20/AP/3744) for the erection of a new canopy related to a future northern entrance to Surrey Quays Station fronting onto Deal Porters Way and the change of use of land adjacent to 181 Lower Road to operational railway land with the erection of a new single storey building containing back of house facilities to enable the development of step-free access and stairs to platform level (this application is to be read in conjunction with Prior Approval Application 23/AP/3594). The amendments include the following: Entrance canopy redesign, Back Of House layout changes, Back Of House external changes and Landscape amendments'. The wording of condition 7 was amended via s96a application (25/AP/2953) dated 10/11/2025