21 Cardigan Street London SE11 5PE

This site has had 2 applications since 2025: 2 approved, 0 refused.

• 25/03801/LB Granted

  21 Cardigan Street London SE11 5PE

  Replacement of double glazed windows to ground floor flat and rear door.

  Decided 20 Feb 2026 Heritage and listed buildings

1. 9 Dec 2025

   Received by Lambeth

2. 12 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 20 Feb 2026

   Decision issued: Grant Permission

4. 10 Aug 2026

   Added to PlanIndex

• 25/03801/LB Granted

  21 Cardigan Street London SE11 5PE

  Replacement of double glazed windows to ground floor flat and rear door.

  Decided 20 Feb 2026 Heritage and listed buildings

Lambeth granted permission on 20 February 2026, 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.

• 21 Cardigan Street London SE11 5PE

  25/03801/LB Submitted 9 Dec 2025 50 yards away

  Replacement of double glazed windows to ground floor flat and rear door.

  Granted Heritage and listed buildings Windows or glazing 30 docs

• 30 Cardigan Street London Lambeth SE11 5PE

  26/01743/TCA Submitted 15 Jun 2026 50 yards away

  93% historically approved · decision due ~10 Aug

  REAR GARDEN: T1 Leylandii. FELL TO GROUND LEVEL. Council Note : A Magnolia is referred to in the supporting text, but no clear specification of works has been provided. It is therefore not included in the Council's consideration.

  Awaiting decision Trees 2 docs

• 29 Cardigan Street London SE11 5PE

  25/02500/TCA Submitted 1 Aug 2025 50 yards away

  93% historically approved · decision due ~29 Jul

  1 x Palm (T2) (Rear Garden) - Fell as close to ground level as possible and eco-plug. T1 is located in the rear garden, see map attached. T1 is of poor shape and form and is of little amenity value. 1 x Palm (T2) Cut back into No. 28 garden by removing 1.5 metres in branch length, reducing the radius from 5 metres to 3.5 metres. T2 is located in the rear garden, see map attached. The works are part of a regular maintenance programme to retain the trees at a suitable size for their location. 1 x Palm (T3) Cut back from property, giving 1 metre clearance by removing 1 metre in branch length, reducing the radius from 5 metres to 4 metres. T3 is located in the rear garden, see map attached. The works are part of a regular maintenance programme to retain the trees at a suitable size for their location.

  Awaiting decision Trees

• 18 Cardigan Street London SE11 5PE

  25/03576/FUL Submitted 18 Nov 2025 50 yards away

  Replacement of existing single-glazed timber windows throughout with new slimline heritage timber windows. Repair and replacement of asphalt flat roof. (Please note: The reference number for this application for Full Planning Permission is 25/03576/FUL, but there is also an associated Listed Building Consent application related to these works with reference number:25/03577/LB)

  Granted Full applications Windows or glazing 1 doc

• 18 Cardigan Street London SE11 5PE

  25/03577/LB Submitted 18 Nov 2025 50 yards away

  Replacement of existing single-glazed timber windows throughout with new slimline heritage timber windows. Repair and replacement of asphalt flat roof. (Please note: The reference number for this Listed Building Consent application is 25/03577/LB but there is also an associated application for Full Planning Permission related to these works with reference number: 25/03576/FUL)

  Granted Heritage and listed buildings Windows or glazing 18 docs

• 49 Courtenay Street London SE11 5PH

  26/02502/LB Submitted 1 Sep 2026 50 yards away

  79% historically approved · decision due ~9 Dec

  Replacement of flat roof covering and roof light.

  Awaiting decision Heritage and listed buildings Loft or dormer Roofing

• 26/03073/FUL Awaiting decision

  10 Claverdale Road London SW2 2DP

  Erection of a single storey ground floor rear side infill extension. Erection of a rear dormer roof extension with juliet balcony and installation of a roof light to rear return roof.

  Received 20 Oct, published by the council 23 Oct 2026 Full applications
• 26/03040/FUL Awaiting decision

  3 Walberswick Street London Lambeth SW8 1XF

  Erection of a second-storey rear extension and the addition of a window to the mansard. Reduction from a double sliding door to a single door with a Juliet balcony

  Received 15 Oct, published by the council 21 Oct 2026 Full applications
• 26/03004/FUL Awaiting decision

  61 Amesbury Avenue London Lambeth SW2 3AE

  Erection of a single storey rear infill extension, replacement of the existing timber sash windows with double glazed timber sash windows, erection of new fence to front patio and installaton of Air Source Heat Pump to existing roof.

  Received 14 Oct, published by the council 21 Oct 2026 Full applications
• 26/02990/FUL Awaiting decision

  85 Clapham Manor Street London Lambeth SW4 6DR

  Construction of a mansard-roof extension to provide additional residential accommodation.

  Received 13 Oct, published by the council 23 Oct 2026 Full applications
• 26/02988/FUL Awaiting decision

  76 Bonham Road London Lambeth SW2 5HG

  Change of use of the ground floor to self contained unit (class C3), upper floors and loft to a large House in Multiple Occupation (Sui Generis), together with sub-division of the rear garden, installation of 2x rooflights to front roofslope, conversion of the existing garage to ancillary residential gym use, installation of air source heat pumps, and provision of cycle and refuse storage.

  Received 13 Oct, published by the council 22 Oct 2026 Full applications