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 Amendments
• 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 Decided

  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

  Decided 10 Aug 2026 Conditions

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 Amendments
• 26/AP/2099 Decided

  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

  Decided 10 Aug 2026 Conditions

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 50 yards away

  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 docs
  Small domestic

• 25 De Laune Street London Southwark SE17 3UU

  26/AP/2099 Submitted 16 Jul 2026 50 yards away

  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

  Decided Conditions Extension Loft or dormer +2 9 docs
  Small domestic

• 25 De Laune Street London Southwark SE17 3UU

  26/AP/2162 Submitted 22 Jul 2026 50 yards away

  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 docs
  Small domestic

• Ground Floor And First Floor Flat 51A De Laune Street London Southwark SE17 3UR

  21/AP/3903 Submitted 10 Nov 2021 50 yards away

  Rear GardenT1 - London PlaneCut back to boundary by removal of up to 4 metres and feather into crown. Crown lift to 5.5 metres. Thin crown by 10%.. Potential damage to buildings. Branches touching building. Damp and shadingT2 - London PlaneCut back to boundary by removal of up to 4 metres and feather into crown. Crown lift to 5.5 metres. Thin crown by 10%.. Potential damage to buildings. Branches touching building. Damp and shading

  Granted Trees 8 docs

• 53 De Laune Street London Southwark SE17 3UR

  22/AP/2768 Submitted 3 Aug 2022 50 yards 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/2913 Submitted 1 Oct 2026 50 yards away

  95% historically approved · decision due ~27 Nov

  Variation of a Condition 1 for application reference number 26/AP/2110 dated 01/09/2026 for proposed new rear first floor terrace and associated doors. Condition Number(s): Condition 1 Conditions(s) Removal: The amendments comprise an increase in terrace depth, lowering the central part of the rear enclosure to a 1.1m clear glazed balustrade, while retaining 1.7m-high timber privacy screening to the sides and rear corners. Condition 1 (Approved Plans) to be varied by substituting approved drawings 1151-P04, P06, P08, P10 and P11 with revised drawings 1151-P04A, P06A, P08A, P10A and P11A. All other approved drawings and conditions to remain unchanged.

  Awaiting decision Windows or glazing

• 26/AP/2158 Granted

  7 Alma Grove London Southwark SE1 5PY

  Erection of a rear ground floor side extension with a framed glass roof and bi-folding rear doors. Replacement of windows and door. Alterations to external facade.

  Received 21 Jul, published by the council 25 Jul 2026 Householder
• 26/AP/2601 Awaiting decision

  49 Henshaw Street London Southwark SE17 1PE

  Demolition of existing rear extension and construction of part single, part two storey rear extension and erection of roof terrace on main roof with balustrades and glazed access hatch.

  2 Sep 2026 Householder
• 26/AP/2545 Awaiting decision

  76 Shenley Road London Southwark SE5 8NQ

  Construction of a single storey side and rear extension to the rear; construction of a rear dormer roof extension over the main roofslope and the installation of 3x rooflights to the front roofslope.

  Received 26 Aug, published by the council 3 Sep 2026 Householder
• 26/AP/2533 Awaiting decision

  28 Tyrrell Road London Southwark SE22 9NE

  Construction of rear extension.

  Received 25 Aug, published by the council 28 Aug 2026 Householder
• 26/AP/2517 Awaiting decision

  65 Calton Avenue London Southwark SE21 7DF

  Construction of a ground-floor side-rear extension with terrace reinstated above; alterations to the rear outrigger, including raising the eaves and ridge, removal of the chimney stack, replacement windows, and installation of two rooflights; enlargement of the existing rear dormer; erection of bin and bike stores in the front garden, together with new landscaping and a front boundary wall; installation of an EV charger to front elevation and removal of existing front porch door; removal of existing garden buildings and erection of a shed, sauna and pergola in the rear garden, together with new landscaping and decking.

  Received 24 Aug, published by the council 28 Aug 2026 Householder