Planning application
123 Benhill Road London Southwark SE5 7LZ
Works: Extension Loft or dormer Small domestic
Read from the description, not a valuation. How we read the register
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Prior approval notification for the construction of a: - Single storey side extension at lower ground level. - Extension to have a maximum height of 3m at the boundary. - Extension to have a maximum length of 4.85m from the parent building principal elevation. - 2.4m side extension from the existing outrigger, less than half the width of the property. - Existing lean-to rear extension pitched roof changed to a flat roof, with maximum height of 2.7m at the boundary. - 1nr rooflight and a green roof over rear extension. - Internal reconfiguration to lower ground floor including removal of 2nr chimney breasts.
As published by the council, reference 26/AP/1303
Application record
- Reference
- 26/AP/1303
- Type
- Large Home Extensions
- Status
- Refused
- Decision
- Prior Approval Required- REFUSED
- Received
- 6 May 2026
- Validated
- 7 May 2026
- Decided
- 25 Jun 2026
- Ward
- St Giles
- Decision by
- Delegated Panel - Complex
- Postcode
- SE5 7LZ
Site history
Applications at this address on the Southwark register
This site has had 3 applications since 2026: 1 approved, 1 refused.
-
26/AP/2138 Decided
123 Benhill Road London Southwark SE5 7LZ
Construction of a single storey side extension at lower ground level. Existing lean-to rear extension pitched roof changed to a flat roof, to match the height of the taller element of the side extension. 1nr rooflight and a green roof over rear extension. Door sill to raised ground floor Juliet balcony raised by 300mm to allow for the new side extension roof.
-
26/AP/1306 Granted
123 Benhill Road London Southwark SE5 7LZ
-Rear mansard roof extension over parent building -Rear outrigger extension over existing outrigger. -Maintain pitch of front roof slope. -Raise ridge line by 400mm. -2nr rooflights to front roof slope, 1nr rooflight over the mansard extension, 1nr rooflight over the outrigger extension. -Raise parent building chimney stack by 400mm to allow for raised ridge and mansard extension. -Raise outrigger party parapet wall and rear chimney stack by 1950mm to allow for outrigger extension. -Existing lower ground floor lean-to rear extension pitched roof changed to a flat roof, with maximum height of 2.7m at the boundary and 1nr rooflight. Internal reconfiguration across the lower ground floor. -Removal of 3nr chimney breasts. -New cycle and bin storage to front yard.
Timeline
Dates from the published record
-
6 May 2026
Received by Southwark
-
7 May 2026
Validated
Checked as complete and ready for consideration.
-
25 Jun 2026
Decision issued: Prior Approval Required- REFUSED
-
25 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Aarvold McLean Architecture Agent, an architecture practice registered in London
Active · incorporated 2017 · London
5 applications on PlanIndex · across 3 councils
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
35 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.
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Open the documentsWhat this refusal means
Southwark refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
123 Benhill Road London Southwark SE5 7LZ
-Rear mansard roof extension over parent building -Rear outrigger extension over existing outrigger. -Maintain pitch of front roof slope. -Raise ridge line by 400mm. -2nr rooflights to front roof slope, 1nr rooflight over the mansard extension, 1nr rooflight over the outrigger extension. -Raise parent building chimney stack by 400mm to allow for raised ridge and mansard extension. -Raise outrigger party parapet wall and rear chimney stack by 1950mm to allow for outrigger extension. -Existing lower ground floor lean-to rear extension pitched roof changed to a flat roof, with maximum height of 2.7m at the boundary and 1nr rooflight. Internal reconfiguration across the lower ground floor. -Removal of 3nr chimney breasts. -New cycle and bin storage to front yard.
Granted Householder Extension Loft or dormer 32 docsDomestic -
117 Benhill Road London Southwark SE5 7LZ
95% historically approved · decision due ~19 Dec
Construction of a rear box dormer and outrigger extension, including raising of the roof ridge by 400mm and raising of the rear chimney stack by 600mm; and addition of 2 no rooflights to the front roof slope.
Awaiting decision Householder Extension Loft or dormer 24 docsDomestic -
123 Benhill Road London Southwark SE5 7LZ
95% historically approved · decision due ~15 Sep
Construction of a single storey side extension at lower ground level. Existing lean-to rear extension pitched roof changed to a flat roof, to match the height of the taller element of the side extension. 1nr rooflight and a green roof over rear extension. Door sill to raised ground floor Juliet balcony raised by 300mm to allow for the new side extension roof.
Decided Extension Loft or dormerSmall domestic -
128 Benhill Road London Southwark SE5 7LZ
Construction of a ground floor rear extension and a second floor mansard roof extension. New rooflight to first floor outrigger.
Granted Householder Extension Loft or dormer 36 docsDomestic -
138 Benhill Road London Southwark SE5 7LZ
Construction of a side-rear extension; the construction of a mansard roof extension and the raising of the existing chimney and parapet walls; and the installation of 2x rooflights to the front roofslope.
Granted Householder Extension Loft or dormer 41 docsDomestic -
145 Benhill Road London Southwark SE5 7LZ
95% historically approved · decision due ~2 Jan
Construction of single storey rear extension at lower ground level with 2no. rooflights and green roof over rear extension
Awaiting decision Householder Extension Loft or dormer 30 docsSmall domestic
Other full applications
In Southwark
-
26/AP/2031 Granted
Flat B11, Lloyds Wharf Mill Street London SE1 2BD
Replacement of existing rooflights and installation of external shutters.
-
26/AP/2012 Granted
3 Grange Yard London Southwark SE1 3AE
Alterations to an existing metal structure located within the courtyard including re-cladding, installation of two openings with roller shutters and three access doors, and installation of six roof lights.
-
26/AP/1894 Granted
10 - 18 Union Street London Southwark SE1 1SZ
Replacement windows and doors to Union Street (South elevation).
-
26/AP/1772 Granted
The Admiral Hyson Estate Galleywall Road London Southwark SE16 3PA
Removal of existing electrical equipment and erection of substation.
-
26/AP/2127 Granted
Flat 16 157-163 Queens Road London Southwark SE15 2ND
Roof terrace on the flat roof adjoining the flat, linked to the existing south-facing balcony; replacement of window with inward-opening aluminium doors; a permanent privacy balustrade.