34 Harpenden Road London SE27 0AE

This site has had 4 applications since 2026: 2 approved, 0 refused.

• 26/01982/FUL Granted

  34 Harpenden Road London SE27 0AE

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

  Decided 27 Aug 2026 Full applications
• 26/01401/FUL Decided

  34 Harpenden Road London SE27 0AE

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

  Submitted 6 May 2026 Full applications
• 26/00529/LDCE Granted

  34 Harpenden Road London SE27 0AE

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

  Decided 16 Apr 2026 Lawful development

1. 6 Jul 2026

   Received by Lambeth

2. 3 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 31 August 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 62 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.

• 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

  26/00529/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 11 docs

• 34 Harpenden Road London SE27 0AE

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

  77% 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

• 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

• 21 Harpenden Road London SE27 0AG

  26/02581/FUL Submitted 10 Aug 2026 50 yards away

  77% historically approved · decision due ~5 Oct

  Erection of a ground floor side and rear extension and removal of a window with the addition of a door to the rear.

  Awaiting decision Full applications Extension Windows or glazing 8 docs

• 242 - 244 Norwood Road London SE27 9AW

  26/00144/LB Submitted 19 Dec 2025 100 yards away

  74% historically approved · decision due ~13 Feb

  Conversion of the existing single dwelling house into 2 self-contained flats, together with the provision of cycle parking and refuse storage to the front driveway area. Internal works to include: demolition of internal walls; construction of new partitions; installation of plumbing and electrical systems for two independent flats; installation of kitchens and bathrooms; interior plastering, flooring, and decoration; and, other associated works. (Please note: The reference number for this Listed Building Consent application is 26/00144/LB, but there is also an associated application for Full Planning Permission related to these works with reference number: 25/03775/FUL)

  Awaiting decision Heritage and listed buildings New dwelling Demolition 10 docs
  Domestic

• 26/01955/FUL Granted

  66 South Lambeth Road London SW8 1RL

  Replacement of windows and doors with like-for-like, and replacement of doors openings on rear elevation with full height windows, inset louvred panels and spandrel panel.

  Received 2 Jul, published by the council 3 Aug 2026 Full applications
• 26/02127/FUL Granted

  46 Mount Nod Road London SW16 2LL

  Replacement of windows with double glazed timber windows.

  Received 21 Jul, published by the council 16 Aug 2026 Full applications
• 26/02126/FUL Granted

  64 Abbeville Road London SW4 9NE

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

  Received 21 Jul, published by the council 16 Aug 2026 Full applications
• 26/02071/FUL Granted

  33 Endymion Road London SW2 2BU

  Replacement of timber windows with double-glazed timber windows to the front and rear elevations (amended).

  Received 16 Jul, published by the council 8 Aug 2026 Full applications
• 26/02074/FUL Granted

  Ujima Court Sunnyhill Road London SW16 2UG

  Replacement of timber windows and doors with double-glazed timber windows and doors to all elevations.

  Received 16 Jul, published by the council 8 Aug 2026 Full applications