Planning application
1 Porlock Street London Southwark SE1 3RY
Works: Extension
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Certificate of lawful development for the construction of a new rear extension, projecting 3m and being 3m in height.
As published by the council, reference 26/AP/3110
Application record
- Reference
- 26/AP/3110
- Status
- Under consideration/assessment
- Received
- 22 Oct 2026
- Validated
- 23 Oct 2026
- Postcode
- SE1 3RY
Timeline
Dates from the published record
-
22 Oct 2026
Received by Southwark
-
23 Oct 2026
Validated
Checked as complete and ready for consideration.
-
23 Oct 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 18 December 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.
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's median decision took 52 days. More in our guide to how long planning decisions take.
About this record
The published feed does not state which type of application this is; the register entry on Southwark's portal will say. Our guide explains the common types.
Nearby applications
Within 0.3 miles
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6 Porlock Street London Southwark SE1 3RY
Prior approval notification (Schedule 2, Part 1, Class A) for the construction of a single-storey rear extension projecting 4 metres from the original rear elevation of the property, with a maximum height of 3m.
Granted Extension 13 docsSmall domestic -
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Existing balcony window to be relocated 67cm out onto balcony, to the existing aperture.
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95% historically approved · decision due ~1 Sep
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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