136 Downton Avenue London SW2 3TT

1. 7 May 2026

   Received by Lambeth

2. 30 Jun 2026

   Decision issued: Grant Permission

3. 25 Jul 2026

   Added to PlanIndex

Lambeth granted permission on 30 June 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 lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 170 Downton Avenue London Lambeth SW2 3TT

  26/03052/FUL Submitted 19 Oct 2026 50 yards away

  78% historically approved · decision due ~14 Dec

  Erection of a hip to gable and rear dormer extension including three roof lights to the front and a Juliet balcony to the rear.

  Awaiting decision Full applications Extension Loft or dormer

• 129 Cricklade Avenue London Lambeth SW2 3HF

  26/02642/LDCP Submitted 14 Sep 2026 50 yards away

  Certificate of Lawful development (proposed) with respect to erection of hip to gable roof extension and rear dormer extension with three front rooflights.

  Granted Extension Loft or dormer

• 119 Downton Avenue London SW2 3TX

  26/01727/LDCP Submitted 12 Jun 2026 50 yards away

  84% historically approved · decision due ~7 Aug

  Application for a Certificate of Lawful Development (Proposed) with respect to erection of a single-storey outbuilding in the rear garden.

  Decided 9 docs
  Small domestic

• 143 Downton Avenue London SW2 3TX

  26/01964/LDCP Submitted 3 Jul 2026 50 yards away

  Certificate of Lawful Development (Proposed) with respect to the erection of a hip to gable roof extension together with the erection of a rear dormer with and installation of 3x rooflights to the front roofslope.

  Granted Extension Loft or dormer 5 docs

• 133 Downton Avenue London SW2 3TX

  19/04134/TCA Submitted 6 Nov 2019 50 yards away

  T1 Ash: Reduce canopy by 25% approximately 2-3m from height and width to shape - blocking light, to mitigate storm damage, outgrown

  Decided Trees 2 docs

• 145 Cricklade Avenue London SW2 3HF

  26/00559/FUL Submitted 23 Feb 2026 50 yards away

  78% historically approved · decision due ~20 Apr

  Erection of a bike shed to the front elevation - Retrospective.

  Decided Full applications 12 docs
  Small domestic

• 26/01071/LDCP Withdrawn

  36 Elms Road London Lambeth SW4 9EX

  Certificate of Lawful Development (Proposed) with respect to the erection of side and rear 'box' roof extensions including a side roof light and removal of a chimney.

  Received 2 Apr, published by the council 25 Jul 2026 Lawful development
• 26/02276/LDCP Awaiting decision

  10 Leake Street London SE1 7NN

  Certificate of Lawful Development (Proposed) with respect to temporary infilling and smoothing of the existing ramp area at Elizabeth House to facilitate the demolition and construction works at 10 Leake Street authorised by the planning permission ref: 25/02199/FUL.

  Received 7 Aug, published by the council 15 Sep 2026 Lawful development
• 26/00455/LDCP Granted

  129 Hydethorpe Road London SW12 0JF

  Application for Certificate of Lawful Development (Proposed) with respect to the erection of a rear dormer roof extension and installation of new rooflights to the front roof slope.

  Received 12 Feb, published by the council 25 Jul 2026 Lawful development
• 26/01485/LDCP Granted

  88 Ballater Road London SW2 5QP

  Application for a Certificate of Lawful Development (Proposed) with respect to erection of a rear dormer roof extension and installation of 2 x rooflights to existing roof at front elevation and 1 x rooflight to existing rear outrigger roof

  Received 15 May, published by the council 25 Jul 2026 Lawful development
• 26/01478/LDCP Refused

  142 Rosendale Road London SE21 8LG

  Certificate of Lawful Development (Proposed) with respect to the deconversion of existing three self-contained flats into one single dwellinghouse.

  Received 14 May, published by the council 25 Jul 2026 Lawful development