17 Alleyn Park London Southwark SE21 8AU

1. 10 Sep 2025

   Received by Southwark

2. 11 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 6 November 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Southwark took a median of 52 days over the applications it decided in the last year.

This application is with Southwark for determination, against a statutory target of eight weeks. Over the last year Southwark decided lawful development applications in a median of 50 days. More in our guide to how long planning decisions take.

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.

• 15 Alleyn Park London Southwark SE21 8AU

  25/AP/2579 Submitted 9 Sep 2025 50 yards away

  99% historically approved · decision due ~4 Nov

  T01 - Purple leaved Cherry Plum, approx. 10m high - Crown lift to 3.5m above ground level. Reduce southern limb (over driveway) by up to 3m back to closest growth point to tie in with canopy. Reduction of rest of canopy by up to 1m back to closest growth point to reshape. Reason - To provide sufficient clearance to property. T02 - Yew, approx. 4m high - Fell to ground level and remove all arisings. Reason - Self-seeded tree, growing into fence and Cherry Plum tree.

  Awaiting decision Trees 8 docs
  Small domestic

• 15 Alleyn Park London Southwark SE21 8AU

  22/AP/1482 Submitted 25 Apr 2022 50 yards away

  Demolish existing rear ground floor extension and replace with new single-storey rear ground floor extension; Alterations to:- location of front door, roof profile of existing garage, garage opening; Installation of roof lights and Oriel window; Replace existing windows and increase size of dormer window.

  Granted Householder Extension Loft or dormer +2 25 docs
  Small domestic

• 13 Alleyn Park London Southwark SE21 8AU

  25/AP/2569 Submitted 8 Sep 2025 50 yards away

  5 Day Notice T1 - Lime Tree to remove dead, damaged and diseased wood only (TPO Zone - area type)

  Granted Trees 7 docs

• 23 Alleyn Park London Southwark SE21 8AU

  26/AP/2338 Submitted 5 Aug 2026 100 yards away

  Demolition of existing property with a replacement detached dwelling including the construction of an outbuilding to the rear garden and associated bike and bin storage to the front.

  Granted New dwelling Demolition 38 docs
  Small domestic

• 11 Alleyn Park London Southwark SE21 8AU

  26/AP/2170 Submitted 22 Jul 2026 100 yards away

  Five day notification for tree works: Removal of dead conifer.

  Granted Trees

• 5 Alleyn Park London Southwark SE21 8AU

  26/AP/3014 Submitted 12 Oct 2026 100 yards away

  95% historically approved · decision due ~8 Dec

  T1 - Oak Tree- Growing on the front road-side boundary by the northern entrance- To Remove Deadwood throughout the crown Lift the epicormic/lowest growth over the pavement to provide a minimum clearance of 2.5m above ground level To Trim the growth around the streetlamp as necessary to maintain clearance and to allow light to pass through. To thin out the density of this branch to reduce the weight and therefore result in the branch lifting. If this is not sufficient, cut back this lower branch to clear obstruction to the lamp post T2 - Golden False Acacia - Growing on the southern side of the property- To Crown Reduce by up to 1.5m, on the longest growths to improve shape and size, all to suitable growing points. T3 - Dead Cherry Tree- Growing in the back garden- To Fell to as low as possible above existing ground level

  Awaiting decision Trees

• 26/AP/2574 Awaiting decision

  23 Alberta Street London Southwark SE17 3SF

  Certificate of lawfulness (proposed) for construction of a rear dormer and the installation of 1x rooflight to the front roofslope.

  Received 1 Sep, published by the council 8 Sep 2026 Lawful development
• 26/AP/2509 Awaiting decision

  Newington Gardens Harper Road London Southwark SE1

  Certificate of Lawfulness (proposed) for improvement works to the playground at Newington Gardens to include the removal of current playground equipment and installation of new accessible equipment.

  Received 21 Aug, published by the council 7 Sep 2026 Lawful development
• 26/AP/1673 Granted

  Flat 67 Benbow House 24 New Globe Walk London Southwark SE1 9DS

  Certificate of Lawful Development to replace existing external doors with new thermally improved doors

  Received 11 Jun, published by the council 25 Jul 2026 Lawful development
• 26/AP/1909 Granted

  6 Ethnard Road London Southwark SE15 1RU

  Certificate of lawfulness (proposed) for a loft conversion with rear dormer

  Received 30 Jun, published by the council 25 Jul 2026 Lawful development
• 26/AP/2486 Awaiting decision

  84 Croxted Road London Southwark SE21 8NP

  Certificate of lawfulness (proposed) for the formation of a moveable structure (as defined under the Caravan Site Act) that can be separated into 2 sections and removed from the rear garden by crane. Refer to the following drawings: 318 SP 00 (PD) 318 SP 01 (PD) 318 SP 101 (PD) 318 GS 01 (PD) 318 GS 02 (PD)

  Received 19 Aug, published by the council 20 Aug 2026 Lawful development