Planning application
6 Porlock Street London Southwark SE1 3RY
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of Lawfulness (proposed) for the construction of a ground floor rear extension and dormer.
As published by the council, reference 26/AP/1116
Application record
- Reference
- 26/AP/1116
- Type
- Certificate of Lawful Dev. - Proposed
- Status
- Granted
- Decision
- Certificate of Lawfulness Prop- GRANTED
- Received
- 20 Apr 2026
- Validated
- 20 Apr 2026
- Decided
- 8 Jun 2026
- Ward
- London Bridge & West Bermondsey
- Parish
- Bermondsey And Rotherhithe
- Decision by
- Delegated Panel - Simple
- Postcode
- SE1 3RY
Timeline
Dates from the published record
-
20 Apr 2026
Received by Southwark
-
8 Jun 2026
Decision issued: Certificate of Lawfulness Prop- GRANTED
-
10 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
13 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 documentsWhat a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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Beormund School Crosby Row London Southwark SE1 3PS
95% historically approved · decision due ~1 Sep
Pre-application planning advice for redevelopment of the vacant Beormund Primary School Crosby Row, London SE1 3PS to provide c. 250 residential dwellings
Awaiting decision -
27 Crosby Row London Southwark SE1 3YD
Details of condition 4 samples to be prepared on site for review using London stock bricks, lime mortar and recessed pointing as requiredby planning permission 22/AP/1686 dated 30/11/2022 for Alterations to roof including construction of new dormer windows to front and rear, repair and refurbishment of existing fenestration, erection of rear extension at first and second floor levels, refurbishment and alterations including removal of historically unsympathetic fabric to reinstate courtyard at rear. Part of ground floor level in use as office space to continue to be used as office as well as studio workspace with remainder of property being retained as single residential unit.
Refused Conditions Extension Loft or dormer +1 6 docs -
27 Crosby Row London Southwark SE1 3YD
Details of condition 6 juliet balcony as required by planning application 22/AP/1686 dated 30/11/2022 for alterations to roof including construction of new dormer windows to front and rear, repair and refurbishment of existing fenestration, erection of rear extension at first and second floor levels, refurbishment and alterations including removal of historically unsympathetic fabric to reinstate courtyard at rear. Part of ground floor level in use as office space to continue to be used as office as well as studio workspace with remainder of property being retained as single residential unit.
Granted Conditions Extension Loft or dormer +1 10 docs -
27 Crosby Row London Southwark SE1 3YD
Details of condition 8 replacement window details as required by planning permission 22/AP/1686 dated 30/11/2022 for Alterations to roof including construction of new dormer windows to front and rear, repair and refurbishment of existing fenestration, erection of rear extension at first and second floor levels, refurbishment and alterations including removal of historically unsympathetic fabric to reinstate courtyard at rear. Part of ground floor level in use as office space to continue to be used as office as well as studio workspace with remainder of property being retained as single residential unit.
Refused Conditions Extension Loft or dormer +1 23 docs -
27 Crosby Row London Southwark SE1 3YD
Details of condition 3 Courtyard windows and doors as required by planning permission 22/AP/1686 dated 30/11/2022 for Alterations to roof including construction of new dormer windows to front and rear, repair and refurbishment of existing fenestration, erection of rear extension at first and second floor levels, refurbishment and alterations including removal of historically unsympathetic fabric to reinstate courtyard at rear. Part of ground floor level in use as office space to continue to be used as office as well as studio workspace with remainder of property being retained as single residential unit.
Refused Conditions Extension Loft or dormer +1 33 docs -
27 Crosby Row London Southwark SE1 3YD
Details of condition 7 for Listed building consent 22/AP/1686 dated 30/11/2022 for "Alterations to roof including construction of new dormer windows to front and rear, repair and refurbishment of existing fenestration, erection of rear extension at first and second floor levels, refurbishment and alterations including removal of historically unsympathetic fabric to reinstate courtyard at rear. Part of ground floor level in use as office space to continue to be used as office as well as studio workspace with remainder of property being retained as single residential unit".
Granted Conditions Extension Loft or dormer +1 17 docs
Other lawful development applications
In Southwark
-
26/AP/1316 Granted
Seavington House Champion Hill London Southwark SE5 8DN
Certificate of lawfulness (proposed) to confirm excavation works carried out on the site in the form of trial pits constitute a material operation under the Town and Country Planning Act 1990 and therefore represent lawful commencement of the approved planning permission 22/AP/0174.
-
26/AP/1420 Granted
40 Strathnairn Street London Southwark SE1 5BL
Certificate of lawfulness (proposed) for construction of a ground floor rear extension and a rear dormer.
-
26/AP/1618 Granted
252 Barry Road London Southwark SE22 0JS
Certificate of lawful development (proposed) for the construction of a rear dormer extension.
-
26/AP/1577 Granted
Residence Inn By Marriott London Bridge 201-211 Long Lane London SE1 4PN
Certificate of lawfulness (proposed) for undertaking of facade remedial works to remove combustible cladding materials and replace with a like-for-like non-combustible cladding with no change to the outer aesthetics of the building.
-
26/AP/1509 Withdrawn
Railway Arch 101 Rockingham Street London Southwark SE1 6PD
Certificate of lawfulness (proposed) for confirmation of implementation of planning permission 22/AP/3065: Change of use of the railway arch at 101 Rockingham Street from Use Class B8 (Storage/Distribution) to Use Classes E (Commercial, Business and Service) and F2 (Local Community) and a new glazed facade to the exterior including 2x extractor fans.