Planning application
27 Crosby Row London Southwark SE1 3YD
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of Lawful Development (Existing) to confirm the lawful implementation of planning permission 22/AP/1685 and listed building consent 22/AP/1686.
As published by the council, reference 26/AP/0211
Application record
- Reference
- 26/AP/0211
- Type
- Certificate of Lawful Dev. - Existing
- Status
- Granted
- Decision
- Granted As published: Certificate of Lawfulness Exist- GRANTED
- Received
- 26 Jan 2026
- Validated
- 27 Jan 2026
- Decided
- 11 Feb 2026
- Ward
- Chaucer
- Parish
- Borough, Bankside And Walworth
- Decision by
- Delegated - GOLD
- Postcode
- SE1 3YD
Site history
Applications at this address on the Southwark register
This site has had 10 applications since 2022: 6 approved, 4 refused.
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25/AP/3477 Refused
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.
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25/AP/3479 Granted
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.
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25/AP/3481 Refused
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.
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25/AP/3476 Refused
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.
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25/AP/3480 Granted
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".
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25/AP/3478 Granted
27 Crosby Row London Southwark SE1 3YD
Details of condiiton 5 roof coverings required by Listed building consent 22/AP/1686
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25/AP/3482 Refused
27 Crosby Row London Southwark SE1 3YD
Details of condition 10 sample area required by Listed building consent ref no 22/AP/1686
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22/AP/1685 Granted
27 Crosby Row London Southwark SE1 3YD
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.
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22/AP/1686 Granted
27 Crosby Row London Southwark SE1 3YD
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.
Timeline
Dates from the published record
-
26 Jan 2026
Received by Southwark
-
27 Jan 2026
Validated
Checked as complete and ready for consideration.
-
11 Feb 2026
Decision issued: Certificate of Lawfulness Exist- GRANTED
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Savills (UK) Ltd Agent, registered in London
Active · incorporated 1991 · London
1,128 applications on PlanIndex · across 152 councils · 94% granted
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Plans, drawings, consultee responses and the officer's report
7 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 this grant of permission means
Southwark granted permission on 11 February 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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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 -
27 Crosby Row London Southwark SE1 3YD
Details of condition 10 sample area required by Listed building consent ref no 22/AP/1686
Refused Conditions 6 docs
Other lawful development applications
In Southwark
-
26/AP/2574 Awaiting decision
23 Alberta Street London Southwark SE17 3SF
Certificate of lawfulness (proposed) for construction of a rear dormer and the installation of 1x rooflight to the front roofslope.
-
26/AP/2509 Awaiting decision
Newington Gardens Harper Road London Southwark SE1
Certificate of Lawfulness (proposed) for improvement works to the playground at Newington Gardens to include the removal of current playground equipment and installation of new accessible equipment.
-
26/AP/1673 Granted
Flat 67 Benbow House 24 New Globe Walk London Southwark SE1 9DS
Certificate of Lawful Development to replace existing external doors with new thermally improved doors
-
26/AP/1909 Granted
6 Ethnard Road London Southwark SE15 1RU
Certificate of lawfulness (proposed) for a loft conversion with rear dormer
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26/AP/2486 Awaiting decision
84 Croxted Road London Southwark SE21 8NP
Certificate of lawfulness (proposed) for the formation of a moveable structure (as defined under the Caravan Site Act) that can be separated into 2 sections and removed from the rear garden by crane. Refer to the following drawings: 318 SP 00 (PD) 318 SP 01 (PD) 318 SP 101 (PD) 318 GS 01 (PD) 318 GS 02 (PD)