Planning application
38 Sharsted Street London Southwark SE17 3TN
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
-
10 Nov 2025
Received by Southwark
-
18 Nov 2025
Validated
Checked as complete and ready for consideration.
-
10 Aug 2026
Added to PlanIndex
-
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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat 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 0.3 miles
-
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 -
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
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 docsSmall domestic -
49 Sharsted Street London Southwark SE17 3TP
Installation of an air source heat pump in the front lightwell; alterations to stairs.
Granted Householder 14 docsDomestic -
38A De Laune Street London Southwark SE17 3UR
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
Other householder applications
In Southwark
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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.
-
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.
-
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.
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26/AP/2533 Awaiting decision
28 Tyrrell Road London Southwark SE22 9NE
Construction of rear extension.
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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.