25 De Laune Street London Southwark SE17 3UU

This site has had 4 applications since 2025: 1 approved, 0 refused.

• 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)

  Submitted 22 Jul 2026
• 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.

  Submitted 22 Jul 2026 Amendments
• 26/AP/2099 Awaiting decision

  25 De Laune Street London Southwark SE17 3UU

  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

  Submitted 16 Jul 2026

1. 27 Nov 2025

   Received by Southwark

2. 1 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 16 Jan 2026

   Decision issued: Householder - GRANTED

4. 10 Aug 2026

   Added to PlanIndex

3 later applications on the register refer to this one:

• 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.

  Submitted 22 Jul 2026 Amendments
• 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)

  Submitted 22 Jul 2026
• 26/AP/2099 Awaiting decision

  25 De Laune Street London Southwark SE17 3UU

  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

  Submitted 16 Jul 2026

Southwark granted permission on 16 January 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 25 De Laune Street London Southwark SE17 3UU

  26/AP/2177 Submitted 22 Jul 2026 12m away

  95% 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 Extension Loft or dormer +2
  Small domestic

• 25 De Laune Street London Southwark SE17 3UU

  26/AP/2099 Submitted 16 Jul 2026 12m away

  95% historically approved · decision due ~11 Sep

  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

  Awaiting decision Extension Loft or dormer +2
  Small domestic

• 25 De Laune Street London Southwark SE17 3UU

  26/AP/2162 Submitted 22 Jul 2026 12m away

  95% 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 docs
  Small domestic

• 53 De Laune Street London Southwark SE17 3UR

  22/AP/2768 Submitted 3 Aug 2022 38m away

  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 docs
  Domestic

• 38A De Laune Street London Southwark SE17 3UR

  26/AP/2110 Submitted 17 Jul 2026 45m away

  95% historically approved · decision due ~11 Sep

  Proposed new rear first floor terrace and associated doors.

  Awaiting decision

• 38 Sharsted Street London Southwark SE17 3TN

  25/AP/3270 Submitted 10 Nov 2025 49m away

  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 docs
  Domestic

• 26/AP/0707 Granted

  33 Abbotswood Road London Southwark SE22 8DJ

  Construction of a rear dormer extension and ground floor rear extension.

  11 Mar 2026 Householder
• 26/AP/0784 Granted

  60 Grove Park London Southwark SE5 8LF

  Refurbishment of the property including replacement of glazing with thermally efficient conservation windows templated after originals, construction of a single-storey rear extension, a loft extension, minor internal partition alterations, and removal of external soil vent pipes.

  18 Mar 2026 Householder
• 26/AP/1488 Granted

  15 Canon Beck Road London Southwark SE16 7DJ

  Loft conversion including the insertion of 2 no. rooflights to the front roof slope; conversion of the existing garage to a habitable room with an associated window to replace the existing garage door on the front elevation, installation of an Air Source Heat Pump and other alterations to the rear elevation fenestration at ground floor level.

  22 May 2026 Householder
• 26/AP/0971 Granted

  86 Henslowe Road London Southwark SE22 0AS

  Retrospective planning permission for alterations to front garden layout including a front porch with projecting canopy, alterations to window apertures and fenestration, provision of cycle and refuses stores, along with hard and soft landscaping. new bin store and raised porch roof and revisions to front elevation fenestration.

  2 Apr 2026 Householder
• 26/AP/1519 Granted

  61 Tyrrell Road London Southwark SE22 9NE

  Construction for a rear and side wrap around ground floor extension

  27 May 2026 Householder