21 Harpenden Road London SE27 0AG

1. 10 Aug 2026

   Received by Lambeth

2. 15 Sep 2026

   Added to PlanIndex

3. 6 Oct 2026

   Status changed to Decided

   Previously Awaiting decision.

Lambeth granted permission, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 40 Harpenden Road London SE27 0AE

  21/01741/FUL Submitted 30 Apr 2021 50 yards away

  Erection of a single storey ground floor rear and side infill extension and installation of a 2.4m high boundary wall.

  Granted Full applications Extension 18 docs
  Small domestic

• 34 Harpenden Road London SE27 0AE

  26/00529/LDCE Submitted 19 Feb 2026 50 yards away

  Certificate of Lawful Development (existing) for the use of 2 self contained flats at 34 Harpenden Road.

  Granted Lawful development New dwelling 10 docs

• 34 Harpenden Road London SE27 0AE

  26/01401/FUL Submitted 6 May 2026 50 yards away

  78% historically approved · decision due ~1 Jul

  Erection of a rear dormer extension including two roof lights to the front and two mansard windows to the rear (top floor flat)

  Decided Full applications Extension Loft or dormer +1 9 docs

• 56 Harpenden Road London SE27 0AF

  25/03136/FUL Submitted 6 Oct 2025 50 yards away

  Change of use to 4 self contained residential units (Use Class C3).

  Refused Full applications 23 docs

• 34 Harpenden Road London SE27 0AE

  26/01982/FUL Submitted 6 Jul 2026 50 yards away

  Erection of a rear mansard roof extension to the top flat.

  Granted Full applications Extension Loft or dormer 8 docs

• 34 Harpenden Road London SE27 0AE

  26/01983/FUL Submitted 6 Jul 2026 50 yards away

  Erection of a single storey rear extension to the ground floor flat.

  Withdrawn Full applications Extension 7 docs
  Small domestic

• 26/03217/FUL Awaiting decision

  20 Bellefields Road London Lambeth SW9 9UQ

  Erection of a single storey side extension including rooflights, increased door size to the rear elevation, replacement windows on a like-for-like basis, and reinstatement of the lower ground floor side door under the entrance steps to the front elevation (to provide direct access to the outside).

  Received 2 Nov, published by the council 5 Nov 2026 Full applications
• 26/03214/FUL Awaiting decision

  39 Holmewood Gardens London Lambeth SW2 3NA

  Erection of a rear dormer window, installation of two front roof lights and two roof lights to the rear outrigger, installation of solar panels, and installation of an external A/C unit to the rear outrigger.

  Received 2 Nov, published by the council 5 Nov 2026 Full applications
• 26/03202/FUL Awaiting decision

  73 Ramillies Close London Lambeth SW2 5DQ

  Retrofit measures installed to existing dwellinghouses. Measures include replacement of windows and doors, and fabric upgrades to roof, including replacement of roof finishings, and replacement of light wells in main roof.

  Received 30 Oct, published by the council 3 Nov 2026 Full applications
• 26/03197/FUL Awaiting decision

  196-198 Flat K Brixton Road London Lambeth SW9 6AP

  Replacement of a rear door with a like-for-like timber french door featuring a traditional six panel configuration (Please note: The reference number for this Listed Building Consent application is 26/03198/LB but there is also an associated application for Full Planning Permission related to these works with reference number: 26/03197/FUL)

  Received 29 Oct, published by the council 2 Nov 2026 Full applications
• 26/03193/FUL Awaiting decision

  Unit 9 Ellerslie Square Industrial Estate 11 Lyham Road London SW2 5DZ

  Replacement of existing roof, window frames, entrance/fire exit doors and roller shutters.

  Received 29 Oct, published by the council 3 Nov 2026 Full applications