24 Cornwall Road London Lambeth SE1 8TW

1. 16 Dec 2025

   Received by Lambeth

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 10 February 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Lambeth took a median of 56 days over the applications it decided in the last year.

This application is with Lambeth for determination, against a statutory target of eight weeks. Over the last year Lambeth decided prior approval applications in a median of 40 days. More in our guide to how long planning decisions take.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 43 Roupell Street London SE1 8TB

  25/03495/FUL Submitted 6 Nov 2025 12m away

  Replacement of existing ground floor front and all first floor windows with single glazed timber sash windows.

  Refused Full applications Windows or glazing 10 docs

• 43 Roupell Street London SE1 8TB

  25/03305/LB Submitted 21 Oct 2025 16m away

  Replacement of existing ground floor front and all first floor windows with single glazed timber sash window

  Refused Heritage and listed buildings Windows or glazing 8 docs

• 1-3 Whittlesey Street London SE1 8SZ

  16/04828/LDCP Submitted 12 Aug 2016 28m away

  Application for a Certificate of Lawfulness (Proposed) with respect to the erection of a single storey rear extension.

  Granted Lawful development Extension 15 docs
  Small domestic

• 1 - 3 Whittlesey Street London SE1 8SZ

  26/00244/FUL Submitted 27 Jan 2026 30m away

  78% historically approved · decision due ~24 Mar

  Erection of a single-storey glazed ground floor side/rear infill extension, and the replacement of the front garage door with three timber panels.

  Awaiting decision Full applications Extension Windows or glazing 6 docs
  Small domestic

• 39 Roupell Street London SE1 8TB

  26/00887/FUL Submitted 19 Mar 2026 43m away

  Replacement of existing timber fencing separating 38 and 39 Roupell Street with a solid brickwork wall to 2.0m in height; repair of damaged portion of brickwork to the rear privy to 39 Roupell Street using a lime-based mortar re-pointed flush with a lime based mortar and reinstatement of any dishevelled slates on the roof of the privy; and other associated works including landscaping works. (Please note: The reference number for this application for Full Planning Permission is 26/00887/FUL, but there is also an associated Listed Building Consent application related to these works with reference number: 26/00630/LB)

  Granted Full applications 13 docs

• 39 Roupell Street London SE1 8TB

  26/00888/LB Submitted 19 Mar 2026 46m away

  Replacement of existing timber fencing separating 38 and 39 Roupell Street with a solid brickwork wall to 2.0m in height; repair of damaged portion of brickwork to the rear privy to 39 Roupell Street using a lime-based mortar re-pointed flush with a lime based mortar and reinstatement of any dishevelled slates on the roof of the privy; and other associated works including landscaping works. (Please note: The reference number for this Listed Building Consent application is 26/00888/LB, but there is also an associated application for Full Planning Permission related to these works with reference number: 26/00887/FUL)

  Granted Heritage and listed buildings 14 docs

• 25/03789/P3MA Granted

  Unit 18 To 19 16 Porteus Place London SW4 0AS

  Application for Prior Approval for the change of use of two commercial units (Class use E) to two residential dwellings (Class use C3).

  8 Dec 2025 Prior approval
• 26/01801/PDE Granted

  51 Glennie Road London SE27 0LX

  Application for prior approval for the erection of a single storey ground floor rear extension with dimensions of 4.00m (length), 3.48m (total maximum height) and 2.92m (height to the eaves).

  18 Jun 2026 Prior approval
• 26/01429/PDE Decided

  218 Ellison Road London SW16 5DJ

  Application for prior approval for the erection of a single storey ground floor rear extension with dimensions of 4.68m (length), 3.50m (total maximum height) and 3.00m (height to the eaves).

  11 May 2026 Prior approval
• 25/03033/P3MA Granted

  43 - 59 Clapham Road London SW9 0JD

  Prior of Approval for the change of use of offices (Use Class E) to 90 residential flats (Use Class C3). (Please note: There is also an associated Full Planning Permission application for related to these works with reference number: 25/03034/FUL).

  26 Sep 2025 Prior approval
• 26/01096/PDE Decided

  79 Runnymede Crescent London Lambeth SW16 5UE

  Application for prior approval for the erection of a single storey ground floor rear extension with dimensions of 6.00m (length), 3.99m (total maximum height) and 2.91m (height to the eaves).

  7 Apr 2026 Prior approval