Planning application
47 Sansom Street London Southwark SE5 7RD
Works: Extension Small 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
Certificate of Lawful Development ( Proposed) for Single-storey infill extension to the existing rear outrigger and side return to enlarge the ground floor living/kitchen area, adding approximately 6 sq m of floor space, together with the erection of a single-storey timber-framed home office/studio building in the rear garden.
As published by the council, reference 25/AP/3388
Application record
- Reference
- 25/AP/3388
- Type
- Certificate of Lawful Dev. - Proposed
- Status
- Under consideration/assessment
- Received
- 19 Nov 2025
- Validated
- 24 Nov 2025
- Ward
- St Giles
- Postcode
- SE5 7RD
Site history
Applications at this address on the Southwark register
This site has had 2 applications since 2025: 1 approved, 0 refused.
-
25/AP/3470 Granted
47 Sansom Street London Southwark SE5 7RD
Construction of a single-storey infill extension to the existing rear outrigger and side return.
Timeline
Dates from the published record
-
19 Nov 2025
Received by Southwark
-
24 Nov 2025
Validated
Checked as complete and ready for consideration.
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 19 January 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.
Documents
Plans, drawings, consultee responses and the officer's report
19 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 lawful development applications in a median of 50 days. More in our guide to how long planning decisions take.
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
-
47 Sansom Street London Southwark SE5 7RD
Construction of a single-storey infill extension to the existing rear outrigger and side return.
Granted Householder Extension 21 docsSmall domestic -
152 Benhill Road London Southwark SE5 7LZ
Ground floor rear extension
Granted Householder Extension 24 docsDomestic -
35 Sansom Street London Southwark SE5 7RD
Certificate of Lawfulness (proposed) formation of rear dormer and insertion of two roof lights to the front elevation
Granted Lawful development Loft or dormer 7 docs -
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 -
39 Sansom Street London Southwark SE5 7RD
Construction of an L-shaped rear dormer extension, three rooflights to the front roof slope, a 400mm ridge height increase, and an increase in the existing chimney height.
Granted Extension Loft or dormer +1 -
24A Vicarage Grove London Southwark SE5 7LW
Demolition of existing timber extension and construction of single storey side-rear extension with light well. Addition of side entrance gate.
Granted Full applications Extension Demolition 23 docsSmall domestic
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
-
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)