47 Sansom Street London Southwark SE5 7RD

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.

  Decided 15 Jan 2026 Householder

1. 19 Nov 2025

   Received by Southwark

2. 24 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. 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.

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.

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.

• 47 Sansom Street London Southwark SE5 7RD

  25/AP/3470 Submitted 28 Nov 2025 1m away

  Construction of a single-storey infill extension to the existing rear outrigger and side return.

  Granted Householder Extension 21 docs
  Small domestic

• 152 Benhill Road London Southwark SE5 7LZ

  26/AP/1419 Submitted 18 May 2026 26m away

  Ground floor rear extension

  Granted Householder Extension 24 docs
  Domestic

• 35 Sansom Street London Southwark SE5 7RD

  22/AP/3431 Submitted 3 Oct 2022 33m away

  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

• 39 Sansom Street London Southwark SE5 7RD

  26/AP/2412 Submitted 12 Aug 2026 58m away

  95% historically approved · decision due ~8 Oct

  Construction of L shaped rear dormer extension, including 3no. rooflights to front roof slope and increase the ridge height by 400mm.

  Awaiting decision Extension Loft or dormer +1

• 21 Sansom Street London Southwark SE5 7RD

  21/AP/0091 Submitted 11 Jan 2021 67m away

  Certificate of lawfulness (proposed) for construction of a rear dormer extension with the addition of two roof lights to the front roof slope.

  Granted Lawful development Extension Loft or dormer 23 docs

• 145 Benhill Road London Southwark SE5 7LZ

  25/AP/3247 Submitted 7 Nov 2025 70m away

  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 docs
  Small domestic

• 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.

  7 May 2026 Lawful development
• 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.

  18 May 2026 Lawful development
• 26/AP/1618 Granted

  252 Barry Road London Southwark SE22 0JS

  Certificate of lawful development (proposed) for the construction of a rear dormer extension.

  5 Jun 2026 Lawful development
• 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.

  2 Jun 2026 Lawful development
• 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.

  27 May 2026 Lawful development