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Planning application

38 Sharsted Street London Southwark SE17 3TN

Awaiting decision Southwark 25/AP/3270 Householder Application

Works: Extension Loft or dormer Windows or glazing Domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

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.

As published by the council, reference 25/AP/3270

Application record

Reference
25/AP/3270
Type
Householder Application
Status
Under consideration/assessment
Received
10 Nov 2025
Validated
18 Nov 2025
Ward
Newington
Parish
Borough, Bankside And Walworth
Postcode
SE17 3TN

Timeline

Dates from the published record

  1. 10 Nov 2025

    Received by Southwark

  2. 18 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 13 January 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Southwark took a median of 52 days over the applications it decided in the last year.

Documents

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 documents

What happens while it is decided

This application is with Southwark for determination, against a statutory target of eight weeks. Over the last year Southwark decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

About householder applications

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.

Nearby applications

Within 500 metres

  • 25 De Laune Street London Southwark SE17 3UU

    26/AP/2162 Submitted 22 Jul 2026 40m 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
  • 25 De Laune Street London Southwark SE17 3UU

    26/AP/2177 Submitted 22 Jul 2026 40m 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 40m 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

    25/AP/3455 Submitted 27 Nov 2025 49m away

    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 docs
    Small domestic
  • 38A De Laune Street London Southwark SE17 3UR

    26/AP/2110 Submitted 17 Jul 2026 60m away

    95% historically approved · decision due ~11 Sep

    Proposed new rear first floor terrace and associated doors.

    Awaiting decision
  • 53 De Laune Street London Southwark SE17 3UR

    22/AP/2768 Submitted 3 Aug 2022 66m 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

In Southwark

  • 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