21 Rosendale Road London SE21 8DS

1. 13 Oct 2026

   Received by Lambeth

2. 26 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 8 December 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 full applications in a median of 66 days. More in our guide to how long planning decisions take.

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.

• 23 Rosendale Road London SE21 8DS

  16/05002/FUL Submitted 22 Aug 2016 50 yards away

  Conversion of the single dwelling house to provide 3 self contained flats. Erection of dormer extensions to the rear and side elevation. Installation of a velux rooflight to the side elevation and alterations to door and windows to the external elevations.

  Granted Full applications New dwelling Extension +2 20 docs
  Domestic

• 9 Tritton Road London Lambeth SE21 8DE

  26/00853/FUL Submitted 16 Mar 2026 50 yards away

  78% historically approved · decision due ~11 May

  Erection of a ground floor rear and side infill single storey extension.

  Decided Full applications Extension 13 docs
  Small domestic

• 25 Rosendale Road London SE21 8DS

  22/04595/FUL Submitted 26 Dec 2022 50 yards away

  Removal of existing single storey ground rear extension involving blocking up of existing window and door at ground floor level to the side elevation. Internal reconfiguration of the existing ground floor and first floor plan with the provision of refuse and recycling storage in the front garden and modifying the front boundary wall to provide increased driveway width. (Amended description).

  Granted Full applications Extension Windows or glazing 6 docs
  Small domestic

• 10 Tritton Road London SE21 8DE

  26/02366/FUL Submitted 17 Aug 2026 50 yards away

  78% historically approved · decision due ~12 Oct

  Erection of a ground floor rear and side extension and erection of a 1st floor rear extension, together with the installation of solar panels.

  Decided Full applications Extension 4 docs

• 18 Tritton Road London SE21 8DE

  26/01672/FUL Submitted 8 Jun 2026 50 yards away

  Replacement of the existing roof terrace enclosure/balustrade with fixed privacy screening panels, together with associated refurbishment works to the existing roof terrace.

  Granted Full applications 4 docs

• 4 Rosendale Road London Lambeth SE21 8DP

  22/04018/FUL Submitted 11 Nov 2022 50 yards away

  Erection of ground floor side infill extension, floor plan redesign and all associated works

  Granted Full applications Extension 9 docs

• 26/03135/FUL Awaiting decision

  Flat 4 2 - 4 Venn Street London SW4 0AT

  Erection of a rear dormer roof extension, installation of 2x roof lights to the front roof slope, and alterations to the rear fenestration.

  Received 26 Oct, published by the council 30 Oct 2026 Full applications
• 26/03123/FUL Awaiting decision

  Kingsdown Point 136 Palace Road London SW2 3JZ

  Replacement of the existing uPVC curtain-wall windows and doors with aluminium-framed windows and doors within the existing openings to the Leigham Vale south-elevation communal stairwell.

  Received 23 Oct, published by the council 30 Oct 2026 Full applications
• 26/03113/FUL Awaiting decision

  North Block 1C Belvedere Road London SE1 7GF

  Replacement of existing single glazed steel framed windows to Flat 266 with double glazed steel framed windows.

  Received 23 Oct, published by the council 30 Oct 2026 Full applications
• 26/03104/FUL Awaiting decision

  40 Chelsham Road London Lambeth SW4 6NP

  Installation of an AC condensor unit in the rear garden.

  Received 22 Oct, published by the council 28 Oct 2026 Full applications
• 26/03112/FUL Awaiting decision

  395-397 Brixton Road London Lambeth SW9 7DG

  Installation of external mechanical restaurant plant at roof level

  Received 22 Oct, published by the council 28 Oct 2026 Full applications