Planning application
46 Keston Road London Southwark SE15 4JB
Works: Extension Loft or dormer Roofing 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
Rear L-shaped dormer roof extension (over main rear roof slope and part of the outrigger roof slope) with an increase in the ridge height of 300mm and the addition of two rooflights in the front roof slope.
As published by the council, reference 25/AP/3056
Application record
- Reference
- 25/AP/3056
- Type
- Householder Application
- Status
- Under consideration/assessment
- Received
- 21 Oct 2025
- Validated
- 22 Oct 2025
- Ward
- Goose Green
- Parish
- Dulwich
- Postcode
- SE15 4JB
Site history
Applications at this address on the Southwark register
This site has had 2 applications since 2025.
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26/AP/2978 Awaiting decision
46 Keston Road London Southwark SE15 4JB
Non-material amendment of planning permission 25/AP/3056 (Construction of an L-shaped dormer roof extension with an increase in the ridge height of 300mm and the addition of two rooflights in the front roof slope.) to change the loft cladding material from grey standing seam metal to Pigmento Red standing seam zinc.
Timeline
Dates from the published record
-
21 Oct 2025
Received by Southwark
-
22 Oct 2025
Validated
Checked as complete and ready for consideration.
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 17 December 2025, 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.
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
26/AP/2978 Awaiting decision
46 Keston Road London Southwark SE15 4JB
Non-material amendment of planning permission 25/AP/3056 (Construction of an L-shaped dormer roof extension with an increase in the ridge height of 300mm and the addition of two rooflights in the front roof slope.) to change the loft cladding material from grey standing seam metal to Pigmento Red standing seam zinc.
Who's behind it
Company information only, from the register and Companies House
Bon Atelier Limited Agent, registered in London
Active · incorporated 2014 · London
3 applications on PlanIndex
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
12 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
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46 Keston Road London Southwark SE15 4JB
95% historically approved · decision due ~10 Dec
Non-material amendment of planning permission 25/AP/3056 (Construction of an L-shaped dormer roof extension with an increase in the ridge height of 300mm and the addition of two rooflights in the front roof slope.) to change the loft cladding material from grey standing seam metal to Pigmento Red standing seam zinc.
Awaiting decision Extension Loft or dormer +1 -
48 Keston Road London Southwark SE15 4JB
Construction of a single storey side infill and rear extension to form a 'L' shaped wrap around extension.
Granted ExtensionSmall domestic -
Baptist Church 47 Amott Road London Southwark SE15 4HU
Conversion of upper part of existing church hall adjacent to Little Jungle nursery to provide additional nursery teaching space; addition of new windows and doors to ground floor at western elevation; extension at first floor level to rear of church hall building to provide additional nursery staff facilities.
Refused Full applications Extension Windows or glazing 25 docs -
43C Amott Road London Southwark SE15 5HU
Minor material amendment to planning permission 17/AP/1711 (Construction of part ground and first floor rear extension with loft conversion (rear dormer and 3x front facing rooflights) and internal restructuring to create 1x additional flat) to install an additional rooflight on the front roofslope, raising of the ridge, repositioning of the glazed balustrade and other minor amendments.
Refused Amendments Extension Loft or dormer +1 11 docs -
Flat A And Flat B 26 Keston Road London Southwark SE15 4JB
Replacement of windows to both flats A and B with double glazed UPVC sliding sash style windows to front elevation, and double glazed UPVC top hung over top hung and casement style windows to rear elevation, including rear garden door.
Granted Full applications New dwelling Windows or glazing 12 docs -
First Floor And Second Floor Flat 44 Gowlett Road London Southwark SE15 4HY
Construction of a second floor rear roof terrace over outrigger.
Granted Full applications Extension 19 docs
Other householder applications
In Southwark
-
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.
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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.
-
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.